Product Details | PLATE SELF-LOCKING NUT

5310-00-621-5971 A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part Alternates: ST4M1343100, ST4M134-3-100, WSI4100, WSI-4-100, WSI4100D, WSI4-100D, WSI4100NH, WSI-4-100NH, 10121561 , 5300014100, 5300014-100, 5310-00-621-5971, 00-621-5971, 5310006215971, 006215971

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 27 FEB 1975 00-621-5971

Drawings & Photos | NSN 5310-00-621-5971


Demand History | NSN 5310-00-621-5971

Part Number Request Date QTY Origin
5310-00-621-5971 2022-11-312 30 US
5300014-100 2021-12-337 140 DIBBS
ST4M134-3-100 2021-12-337 140 DIBBS
WSI-4-100 2021-12-337 140 DIBBS
WSI-4-100NH 2021-12-337 140 DIBBS
5300014-100 2021-11-326 140 DIBBS
ST4M134-3-100 2021-11-326 140 DIBBS
WSI-4-100 2021-11-326 140 DIBBS
WSI-4-100NH 2021-11-326 140 DIBBS
5300014-100 2021-10-298 140 DIBBS
ST4M134-3-100 2021-10-298 140 DIBBS
WSI-4-100 2021-10-298 140 DIBBS
WSI-4-100NH 2021-10-298 140 DIBBS
5300014-100 2021-10-285 140 DIBBS
ST4M134-3-100 2021-10-285 140 DIBBS
WSI-4-100 2021-10-285 140 DIBBS
WSI-4-100NH 2021-10-285 140 DIBBS
5300014-100 2019-02-36 28 DIBBS
ST4M134-3-100 2019-02-36 28 DIBBS
WSI-4-100 2019-02-36 28 DIBBS
WSI-4-100NH 2019-02-36 28 DIBBS
5300014-100 2019-01-27 28 DIBBS
ST4M134-3-100 2019-01-27 28 DIBBS
WSI-4-100 2019-01-27 28 DIBBS
WSI-4-100NH 2019-01-27 28 DIBBS
5310-00-621-5971 2018-08-217 159 DIBBS
5310-00-621-5971 2015-10-278 91 DIBBS
ST4M1343100 2014-12-337 5 United States
5310-00-621-5971 2014-11-313 113 DIBBS
5310-00-621-5971 2014-06-160 57 DIBBS
5310-00-621-5971 2014-05-149 57 DIBBS
5310-00-621-5971 2010-06-168 119 DIBBS
5310-00-621-5971 2010-06-153 37 DIBBS
5310-00-621-5971 2010-01-25 22 DIBBS
5310-00-621-5971 2009-12-357 15 DIBBS
5310-00-621-5971 2009-12-345 103 DIBBS
5310-00-621-5971 2009-02-43 12 DIBBS
5310-00-621-5971 2008-07-190 25 DIBBS

Cross Reference | NSN 5310-00-621-5971

Part Number Cage Code Manufacturer
5300014-100 60119 MONADNOCK COMPANY THE DBA LISI AEROSPACE
ST4M134-3-100 76301 BOEING COMPANY, THE DBA BOEING
WSI-4-100 04169 ATLAS CORP WESTERN SKY INDUSTRIES DIV
WSI-4-100 83014 HARTWELL CORPORATION
WSI-4-100NH 83014 HARTWELL CORPORATION
WSI4-100D 04169 ATLAS CORP WESTERN SKY INDUSTRIES DIV

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Technical Data | NSN 5310-00-621-5971

Characteristic Specifications
THREAD SERIES UNF
NOMINAL THREAD SIZE 0.190 INCHES
THREAD QUANTITY PER INCH 32
THREAD CLASS 3B
THREAD DIRECTION RIGHT-HAND
MATERIAL ALUMINUM ALLOY 6061 OR STEEL CORROSION RESISTING OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-A-12545 MIL SPEC 1ST MATERIAL RESPONSE OR AMS7245 ASSN STD 2ND MATERIAL RESPONSE OVERALL
SURFACE TREATMENT CHROMATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-C-5541 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
HARDNESS RATING NOT RATED
NUT STYLE A116 PLATE
NUT LENGTH 0.985 INCHES NOMINAL
NUT HEIGHT 1.000 INCHES NOMINAL
PLATE THICKNESS 0.060 INCHES NOMINAL
PLATE WIDTH 0.396 INCHES NOMINAL
REMOVABLE NUT MANUFACTURER CODE 96906
REMOVABLE NUT MANUFACTURER PART NUMBER MS-21209
LOCKING FEATURE PREVAILING TORQUE ALL METAL DESIGN
NUT MOUNTING PROVISION STRAIGHT HOLES
MOUNTING HOLE ARRANGEMENT STYLE F38 2 HOLES
MOUNTING HOLE DIAMETER 0.098 INCHES NOMINAL
DISTANCE FROM APERTURE CENTER TO MOUNTING HOLE CENTER 0.344 INCHES NOMINAL
CENTER TO CENTER DISTANCE BETWEEN MOUNTING HOLES ALONG LENGTH 0.686 INCHES MINIMUM AND 0.690 INCHES MAXIMUM
TEMP RATING 250.0 DEG FAHRENHEIT NOMINAL
MANUFACTURERS CODE 76301
DESIGN CONTROL REFERENCE ST4M134-3-100

Restrictions/Controls & Freight Information | NSN 5310-00-621-5971

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:UPrecious metal type is unknown
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 194160 WASHER OR GASKETS, IRON OR STEEL,
Less than car load rating
Less than truck load rating U 50.0
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 5310-00-621-5971

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.
Price ValidationN The current standard price in Catalog Management Data (CMD) has not analyzed or coded for LP/LM.
  • The price has not been analyzed or reviewed for accuracy.
  • ZOP or Standard price challenges are permissible, but must be supported with adequate justification. However, if coded for Local Purchase (LP) or Fabrication/Manufacture as indicated with an (LM) Acquisition Advice Code of ?L? or?F?,the case must be evaluated locally where purchased or fabricated.
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
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
1
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
1
EA : Each