NSN 5310-00-551-4265 MS518587, MS51858-7, N2520X

Product Details | HEXAGON PLAIN NUT

5310-00-551-4265 A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see LOCKNUT, ELECTRICAL CONDUIT. See also LOCKNUT, TUBE FITTING. For items having a thickness (or height) exceeding two times the width across the flats, use POST, ELECTRICAL-MECHANICAL EQUIPMENT. (When height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.

Part Alternates: MS518587, MS51858-7, N2520X, N-2520-X NATURAL, N2520XNATURAL, A26007, FFN836, 1054054, 3006580007, 300658-0007, 3185846, 318584-6, 002004176006, 002-004176-006, 5310-00-551-4265, 00-551-4265, 5310005514265, 005514265

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	22 OCT 1974	00-551-4265	01857 ( NUT, PLAIN, HEXAGON )

Drawings & Photos | NSN 5310-00-551-4265

Part Number	Request Date	QTY	Origin
FFN836	2024-10-291	190	US
FFN836	2023-09-258	100	TR
FFN836	2021-11-307	200	United States
FFN836	2021-08-228	100	United States
FFN836	2019-02-44	288	US
5310-00-551-4265	2018-05-130	1	DIBBS-RFPs
FFN836	2018-02-32	2	US
FFN836	2017-05-123	25	United States
5310-00-551-4265	2016-11-309	36816	DIBBS
5310-00-551-4265	2016-10-292	36816	DIBBS
5310-00-551-4265	2016-05-143	29000	DIBBS
5310-00-551-4265	2015-03-83	6	Canada
5310-00-551-4265	2014-11-320	46793	DIBBS
FFN836	2012-12-341	1	US
5310-00-551-4265	2011-12-347	18220	DIBBS
5310-00-551-4265	2011-06-162	0	DIBBS
FFN836	2010-11-322	100	United Kingdom
FFN836	2010-08-218	1	US
FFN836	2010-08-218	1	US
FFN836	2010-08-218	1	US
FFN836	2010-08-218	1	US
FFN836	2010-03-90	4	us
FFN836	2010-03-81	50	United States
FFN836	2010-02-46	50	United States
MS518587	2010-02-41	5000	US
5310-00-551-4265	2009-11-324	29867	DIBBS
5310-00-551-4265	2009-10-292	29867	DIBBS
5310-00-551-4265	2009-08-215	2681	DIBBS
5310-00-551-4265	2009-07-188	100	US
FFN836	2009-07-183	1000	US
FFN836	2009-05-141	580	US
FFN836	2008-07-195	20	US
FFN836	2008-06-171	200	US
5310-00-551-4265	2008-04-99	17320	DIBBS
FFN836	2008-02-39	1	US
5310-00-551-4265	2008-02-36	7471	DIBBS
5310-00-551-4265	2008-01-16	19302	DIBBS
FFN836	2007-10-298	100	US

Cross Reference | NSN 5310-00-551-4265

Part Number	Cage Code	Manufacturer
002-004176-006	26916	NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE
1054054	34895	HF GROUP INC DBA HOUSTON FEARLESS 76
300658-0007	65597	THALES DEFENSE & SECURITY, INC.
318584-6	3B150	RAYTHEON TECHNICAL SERVICES COMPANY LLC
318584-6	49956	RAYTHEON COMPANY DBA RAYTHEON
A26007	23050	PRODUCT COMPONENTS CORPORATION
FFN836	81348	FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS51858-7	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
N-2520-X NATURAL	85480	BRADY UNITED STATES
N2520X	85480	BRADY UNITED STATES

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Related Products | NSN 5310-00-551-4265

5310-00-551-4663, 5310-00-551-4671, 5310-00-551-4699, 5310-00-551-4708, 5310-00-551-4738

Technical Data | NSN 5310-00-551-4265

Characteristic	Specifications
THREAD SERIES	UNC
NOMINAL THREAD SIZE	0.250 INCHES
THREAD QUANTITY PER INCH	20
THREAD CLASS	2B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	PLASTIC POLYAMIDE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	ASTM D4066 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
HARDNESS RATING	NOT RATED
NUT STYLE	A12 HEXAGON
NUT HEIGHT	0.212 INCHES MINIMUM AND 0.226 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM
BEARING SURFACE TYPE	FLAT OR CHAMFERED
TEMP RATING	NOT RATED
NONDEFINITIVE SPEC/STD DATA	2 TYPE AND 4 STYLE
MANUFACTURERS CODE	81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	FFN836
MANUFACTURERS CODE	96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE	MS51858-7

Restrictions/Controls & Freight Information | NSN 5310-00-551-4265

Restrictions
Freight

Category	Code	Description
Shelf-Life Code:	0	Nondeteriorative
Hazardous Material Indicator Code	N	There is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:	A	Non-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:	U	UNCLASSIFIED
Precious Metals Indicator Code:	A	Item does not contain precious metal
Criticality Code:	X	The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Automatic Data Processing Equipment:	0	Represents items with no ADP components. NOTE: Codes 1 through 6 are only to be used when the item is Automatic Data Processing Equipment (ADPE) in its entirety and is limited to the type meeting only one of the definitions for codes 1 through 6. (See code 9)

Category	Code	Description
NMF Description	093470	BOLTS/NUTS I/S
Less than car load rating
Less than truck load rating	Q	70.0
Water commodity Code	713	unknown
Originating Activity Code	KZ	Defense Supply Center Philadelphia Philadelphia, PA 19101
Air Dimension Code	A	Shipment is not a consolidation and does not exceed 72 inches in any dimension.
Air Commodity	B	Construction materials: Includes paint and related materials, prefabricated building, wood products, metal and composition materials and their products, commercial hardware and miscellaneous items, cement, asphalt, building maintenance materials.
Air Special Handling	Z	No special handling required.
Special Handling Code	9	unknonwn
HAZMAT
Type of Cargo	Z	No special type of cargo code applicable

Management | NSN 5310-00-551-4265

Category	Code	Description
Materiel Category and Inventory Manager	T	Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity	2	Stock Fund Secondary Items
Management Inventory Segment	2	NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code	0	Medical Materiel
Weapons Systems/End Item or Homogeneous Group	00	DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements Code	X	Expendable item. An item of Army property coded with an ARC of ?X? in the AMDF. Expendable items require no formal accountability after issue from a stock record account. Commercial and fabricated items similar to items coded ?X? in the AMDF are considered expendable items.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DA	Department of the Army
Service Organization	A	U.S. Army
Reparability	Z	This is a nonreparable item. If condemned or economically unserviceable, then dispose at the level authorized replace the item.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q EA : Each

Category	Code	Description
Budget Code	9	General Support DIV57X4921.070:Air Force decentrally managed expense items (ERRC XB3, XF-3) with a unit cost of less than $250,000 that are requisitioned/procured at base (retail) level from DLA, GSA, Army, Navy, Depot Maintenance Service, Air Force Industrial Fund (AFMC), local manufacture and commercial vendors.
Fund Code	SF	Stock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation Code	SX	SX:AF SICA RESIDUAL MMAC-OC-ALC
Price Validation	V	The current standard price has been validated. The item has been analyzed in conjunction with the Zero Overpricing Program and is in the accepted price range. The item was procured under open competition and under the competitive arena the price is considered fair and reasonable. ZOP or Standard price challenges are permissible but must be supported by adequate justification.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DF	Department of the Air Force
Service Organization	F	U.S. Air Force
Reparability	N	Stock Fund (except Munitions)
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q EA : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	2	Non-Critical Repair Part. Repair parts or major components whose failure in an end item will not render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency, and which do not fit the definition of Code 3 or 4 items.
Materiel Management Code	B	All CommoditiesDefense Logistics Agency, (DLA,)
Echelon Management Code	2	ICP/DSSC Marine Corps-managed Recoverability Code D items and Defense Logistics Agency (DLA)/TACOM/GSA) items which the integrated manager has not decontrolled.
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DM	U.S. Marine Corps
Service Organization	M	U.S. Marine Corps
Reparability	Z	Nonreparable item. When unserviceable, condemn and dispose at the level indicated by the first digit of the maintenance code.
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q EA : Each

Category	Code	Description
Cognizance Codes	9B	Navy-owned stocks of DLA material Naval Inventory Control Point, Mechanicsburg
Source of Supply	SMS	Defense Logistics Agency Enterprise Business Systems
Agency	DN	Department of the Navy
Service Organization	N	U.S. Navy
Acquisition Advice Codes	D	DoD INTEGRATED MATERIEL-MANAGED, STOCKED, AND ISSUED # Issue, transfer, or shipment is not subject to specialized controls other than those imposed by the Integrated Materiel Manager/Service supply policy. 1. The item is centrally managed, stocked, and issued. 2. Requisitions must contain the fund citation required to acquire the item. Requisitions will be submitted in accordance with Integrated Materiel Manager(IMM)/Service requisitioning procedures.
Controlled Item Code	U	UNCLASSIFIED
Shelf Life Code	0	Nondeteriorative
Purchasing	QTY UOM	Q EA : Each