NSN 5310-00-982-4988 MS20145C04, MS21045C4, MS21045-C4

Product Details | HEXAGON SELF-LOCKING NUT

5310-00-982-4988 A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes NUT (1), SELF-LOCKING, CAP.

Part Alternates: MS20145C04, MS21045C4, MS21045-C4, SM1813048, SM1813-048, SMLH1813048, SMLH1813-048, H57-4, YE3220, 118042, 13207E8525FN5, 204960, 58FH428, 58FH-428, 6708835, 79HE048, 8537232, H574, 5310-00-982-4988, 00-982-4988, 5310009824988, 009824988

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG)	NSN Assign.	NIIN	Item Name Code (INC)
53	01 JAN 1962	00-982-4988	05277 ( NUT, SELF-LOCKING, HEXAGON )

Drawings & Photos | NSN 5310-00-982-4988

Part Number	Request Date	QTY	Origin
5310-00-982-4988	2023-03-61	89	DIBBS
MS21045C4	2022-04-97	100	Singapore
MS21045C4	2020-09-273	500	China
MS21045C4	2020-05-139	346	China
5310-00-982-4988	2019-04-94	50	China
MS21045C4	2019-03-67	50	Singapore
MS21045C4	2017-11-319	200	Lebanon
5310-00-982-4988	2016-10-284	605	DIBBS
5310-00-982-4988	2015-10-293	423	DIBBS
5310-00-982-4988	2015-09-245	272	DIBBS
5310-00-982-4988	2015-06-155	234	DIBBS
5310-00-982-4988	2014-07-194	273	DIBBS
MS21045C4	2014-04-106	12	United States
MS21045C4	2012-09-263	14	United States
MS21045C4	2012-01-24	300	United States
MS21045C4	2010-10-278	325	United States
5310-00-982-4988	2009-06-160	150	DE
MS21045C4	2009-05-141	200	US
5310-00-982-4988	2009-03-89	20	US
MS21045C4	2008-06-155	17328	United States

Cross Reference | NSN 5310-00-982-4988

Part Number	Cage Code	Manufacturer
118042	06848	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
13207E8525FN5	97403	CECOM LR CENTER
204960	99193	HONEYWELL INTERNATIONAL INC. DBA HONEYWELL
58FH-428	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
6708835	24617	GENERAL MOTORS CORP
6708835	73342	ALLISON TRANSMISSION, INC.
79HE048	019L2	MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
79HE048	72962	HARVARD INDUSTRIES INC
8537232	18876	U S ARMY AVIATION AND MISSILE COMMAND
H57-4	15653	ALCOA GLOBAL FASTENERS, INC.
H57-4	75237	ALCOA GLOBAL FASTENERS, INC. DBA ALCOA FASTENING SYSTEMS
H57-4	R1120	SATAIR A/S
MS20145C04	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS21045-C4	D9182	BOSCH REXROTH GMBH LOHMANN +STOLTERFOHT
MS21045C4	56878	SPS TECHNOLOGIES, LLC DBA AEROSPACE DIVISION
MS21045C4	80205	NATIONAL AEROSPACE STANDARDS COMMITTEE AEROSPACE INDUSTRIES
MS21045C4	88044	AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE
MS21045C4	96906	MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS
SM1813-048	019L2	MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
SM1813-048	72962	HARVARD INDUSTRIES INC
SMLH1813-048	019L2	MACLEAN-FOGG COMPANY DBA MAC LEAN-ESNA
SMLH1813-048	72962	HARVARD INDUSTRIES INC
YE3220	75497	LAMSON AND SESSIONS CO THE

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Related Products | NSN 5310-00-982-4988

5310-00-982-4996, 5310-00-982-4998, 5310-00-982-4999, 5310-00-982-5000, 5310-00-982-5001

Technical Data | NSN 5310-00-982-4988

Characteristic	Specifications
THREAD SERIES	UNF
NOMINAL THREAD SIZE	0.250 INCHES
THREAD QUANTITY PER INCH	28
THREAD CLASS	3B
THREAD DIRECTION	RIGHT-HAND
MATERIAL	STEEL CORROSION RESISTING OVERALL
HARDNESS RATING	NOT RATED
NUT STYLE	A12 HEXAGON
NUT HEIGHT	0.240 INCHES MINIMUM AND 0.328 INCHES MAXIMUM
WIDTH ACROSS FLATS	0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM
BEARING SURFACE TYPE	CHAMFERED OR WASHER FACED
LOCKING FEATURE	PREVAILING TORQUE ALL METAL DESIGN
COUNTERBORE DIAMETER	0.253 INCHES MINIMUM AND 0.293 INCHES MAXIMUM NUT
COUNTERSINK ANGLE	88.0 DEGREES NOMINAL NUT
LUBRICATION	DRY FILM LUBRICANT
TEMP RATING	450.0 DEG FAHRENHEIT NOMINAL
III BEARING SURFACE FINISH	125.0 MICROINCHES

Restrictions/Controls & Freight Information | NSN 5310-00-982-4988

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	093486	BOLTS,NUTS OR SCREWS, NOI (SUB 3)
Less than car load rating
Less than truck load rating	W	Rating Variable
Water commodity Code	573	unknown
Originating Activity Code	XX
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 5310-00-982-4988

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	1 HD : 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	1 HD : Each

Category	Code	Description
Stores Account Code	1	Marine Corps Stock Fund Account Item.
Combat Essentiality Code	5	Critical Repair Part to a Combat Essential End Item. Those parts or components whose failure in a combat essential end item will render the end item inoperative or reduce its effectiveness below the minimum acceptable level of efficiency.
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.
Echelon Identification Code	B	Consumable Repair Parts
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	1 HD : 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	1 HD : Each