Product Details | HEXAGON PLAIN NUT

5310-00-721-5617 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: MS103C, MS103C428, 9560140100, 5310-00-721-5617, 00-721-5617, 5310007215617, 007215617

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-721-5617

Drawings & Photos | NSN 5310-00-721-5617


Demand History | NSN 5310-00-721-5617

Part Number Request Date QTY Origin
MS103C 2024-04-105 309 DIBBS
MS103C428 2024-04-105 309 DIBBS
MS103C 2023-12-351 222 DIBBS
MS103C428 2023-12-351 222 DIBBS
MS103C 2023-08-232 603 DIBBS
MS103C428 2023-08-232 603 DIBBS
MS103C 2023-05-141 778 DIBBS
MS103C428 2023-05-141 778 DIBBS
MS103C 2023-05-123 118 DIBBS
MS103C428 2023-05-123 118 DIBBS
MS103C 2022-09-265 118 DIBBS
MS103C428 2022-09-265 118 DIBBS
MS103C 2022-06-152 509 DIBBS
MS103C428 2022-06-152 509 DIBBS
MS103C 2022-03-75 1221 DIBBS
MS103C428 2022-03-75 1221 DIBBS
MS103C 2021-10-299 48 DIBBS
MS103C428 2021-10-299 48 DIBBS
5310-00-721-5617 2019-01-25 1 DIBBS-RFPs
MS103C428 2018-10-301 100 SA
5310-00-721-5617 2018-08-217 30 DIBBS
5310-00-721-5617 2018-06-157 2060 DIBBS
5310-00-721-5617 2018-05-149 2060 DIBBS
5310-00-721-5617 2018-05-121 11 MANUAL
MS103C 2018-05-121 11 United States
5310-00-721-5617 2018-02-39 1948 DIBBS
5310-00-721-5617 2018-01-31 1948 DIBBS
5310-00-721-5617 2017-10-274 111 DIBBS
5310-00-721-5617 2017-04-99 1161 DIBBS
5310-00-721-5617 2017-02-44 1820 DIBBS
5310-00-721-5617 2017-02-43 609 DIBBS
5310-00-721-5617 2016-10-278 128 DIBBS
5310-00-721-5617 2016-09-252 594 DIBBS
5310-00-721-5617 2016-06-181 1820 DIBBS
5310-00-721-5617 2016-05-151 346 DIBBS
5310-00-721-5617 2014-10-282 300 United States
MS103C428 2012-11-310 10
5310-00-721-5617 2009-04-105 7351 DIBBS
5310-00-721-5617 2009-02-36 3687 DIBBS
5310-00-721-5617 2008-11-331 2304 DIBBS

Cross Reference | NSN 5310-00-721-5617

Part Number Cage Code Manufacturer
9560140100 F0228 TURBOMECA
MS103C 00624 EATON CORPORATION DBA AEROSPACE DIV
MS103C R1120 SATAIR A/S
MS103C428 00624 EATON CORPORATION DBA AEROSPACE DIV
MS103C428 R1120 SATAIR A/S

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Technical Data | NSN 5310-00-721-5617

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 COMP 303 OR STEEL COMP 305 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT SILVER OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A12 HEXAGON
NUT HEIGHT 0.208 INCHES MINIMUM AND 0.228 INCHES MAXIMUM
WIDTH ACROSS FLATS 0.428 INCHES MINIMUM AND 0.440 INCHES MAXIMUM
HOLE CONFIGURATION STYLE H1 CONFIGURATION A
HOLE TYPE AND QUANTITY 1 DRILLED
DRILLED HOLE DIAMETER 0.070 INCHES NOMINAL
BEARING SURFACE TYPE CHAMFERED
COUNTERSINK ANGLE 90.0 DEGREES NOMINAL NUT
TEMP RATING NOT RATED
III PRECIOUS MATERIAL SILVER
MANUFACTURERS CODE 00624
DESIGN CONTROL REFERENCE MS103C428

Restrictions/Controls & Freight Information | NSN 5310-00-721-5617

Category Code Description
Shelf-Life Code:0Nondeteriorative
Hazardous Material Indicator CodeNThere is no data in the HMIS and the NSN is in an FSC not generally suspected of containing hazardous materials
Demilitarization Code:ANon-Munitions List Item/ Non-Strategic List Item - Demilitarization not required.
Controlled Inventory Item Code:UUNCLASSIFIED
Precious Metals Indicator Code:SItem contains silver
Criticality Code:X The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
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 5310-00-721-5617

Category Code Description
Materiel Category and Inventory ManagerT Industrial Supplies (DLA/GSA Items)
Appropriation and Budget Activity2 Stock Fund Secondary Items
Management Inventory Segment2 NONREPARABLE ITEMS (Exclusive of Insurance and Provisioning Items). This code will be used to identify items which are not reparable.
Specific Group/Generic Code0 Medical Materiel
Weapons Systems/End Item or Homogeneous Group00DLA/GSA-Managed Items that cannot be identified to a specific Army Weapons Systems/End Item
Accounting Requirements CodeX 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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDADepartment of the Army
Service OrganizationAU.S. Army
ReparabilityAItem requires special handling or condemnation procedures for specific reasons, such as precious metal content, high dollar value, critical material, or hazardous materiel. Refer to appropriate manuals or directives for specific instructions.
Acquisition Advice CodesDDoD 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Budget Code9 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 CodeSFStock fund applicable to items managed for the Air Force by the respective Inventory Control Point.
Materiel Management Aggregation CodeSXSX:AF SICA RESIDUAL MMAC-OC-ALC
Price ValidationV 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 SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDFDepartment of the Air Force
Service OrganizationFU.S. Air Force
ReparabilityNStock Fund (except Munitions)
Acquisition Advice CodesDDoD 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each
Category Code Description
Cognizance Codes9BNavy-owned stocks of DLA material
Naval Inventory Control Point, Mechanicsburg
Source of SupplySMSDefense Logistics Agency
Enterprise Business Systems
AgencyDNDepartment of the Navy
Service OrganizationNU.S. Navy
Acquisition Advice CodesDDoD 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 CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each