Product Details | FLAT WASHER

5310-00-582-9551 A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use SHIM. For items fabricated from ceramic or electrically rated materials by specification or industry standards use INSULATOR (1), WASHER. Excludes DISK, VALVE, graphite impregnated and lubricated items.

Part Alternates: 3703451, 370345-1, 5310-00-582-9551, 00-582-9551, 5310005829551, 005829551

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 01 JAN 1963 00-582-9551

Drawings & Photos | NSN 5310-00-582-9551


Demand History | NSN 5310-00-582-9551

Part Number Request Date QTY Origin
3703451 2025-05-136 2 France
5310-00-582-9551 2021-09-251 18 Malaysia
370345-1 2021-08-231 208 DIBBS
370345-1 2021-08-220 208 DIBBS
370345-1 2021-05-143 208 DIBBS
370345-1 2019-09-245 284 DIBBS
370345-1 2019-01-28 388 DIBBS
370345-1 2019-01-22 388 DIBBS
5310-00-582-9551 2018-10-276 388 DIBBS
5310-00-582-9551 2017-12-356 347 DIBBS
5310-00-582-9551 2017-11-306 347 DIBBS
5310-00-582-9551 2013-01-07 340 DIBBS
5310-00-582-9551 2013-01-03 145 DIBBS
5310-00-582-9551 2012-10-277 46 DIBBS
5310-00-582-9551 2010-04-113 249 DIBBS
5310-00-582-9551 2008-08-224 186 DIBBS
5310-00-582-9551 2008-07-190 203 DIBBS
5310-00-582-9551 2008-06-155 275 DIBBS
5310-00-582-9551 2008-04-105 177 DIBBS
5310-00-582-9551 2008-02-36 178 DIBBS

Cross Reference | NSN 5310-00-582-9551

Part Number Cage Code Manufacturer
370345-1 0P0B2 AVCO CORP TEXTRON DEFENSE SYSTEMS DIV
370345-1 65506 FEDERAL INDUSTRIES, INC.
370345-1 6Z800 A AND M AEROSPACE, INC.
370345-1 98897 LOCKHEED MARTIN CORPORATION DBA LOCKHEED MARTIN AERONAUTICS

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Technical Data | NSN 5310-00-582-9551

Characteristic Specifications
MATERIAL STEEL COMP 8630 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION MIL-S-6050,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE DIAMETER 0.879 INCHES MINIMUM AND 0.889 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 1.250 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.170 INCHES NOMINAL
MANUFACTURERS CODE 98897
DESIGN CONTROL REFERENCE 370345-1

Restrictions/Controls & Freight Information | NSN 5310-00-582-9551

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 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 5310-00-582-9551

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
H
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
H
EA : Each