Product Details | FLAT WASHER

5310-01-229-2038 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: 57106320, 5710-63-20, 57106320P, 5710-63-20P, 6003338002, 60-033380-02, 6003338006, 60-033380-06, 103055-001, 5310-01-229-2038, 01-229-2038, 5310012292038, 103055001, 012292038

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 27 MAR 1986 01-229-2038

Demand History | NSN 5310-01-229-2038

Part Number Request Date QTY Origin
5710-63-20 2025-12-343 424 DIBBS
5710-63-20P 2025-12-343 424 DIBBS
60-033380-02 2025-12-343 424 DIBBS
5710-63-20 2021-08-220 151 DIBBS
5710-63-20P 2021-08-220 151 DIBBS
60-033380-02 2021-08-220 151 DIBBS
5710-63-20 2019-10-303 200 DIBBS
5710-63-20P 2019-10-303 200 DIBBS
60-033380-02 2019-10-303 200 DIBBS
5710-63-20 2019-07-209 275 DIBBS
5710-63-20P 2019-07-209 275 DIBBS
60-033380-02 2019-07-209 275 DIBBS
5310-01-229-2038 2018-02-32 250 DIBBS
5310-01-229-2038 2015-12-344 150 DIBBS

Cross Reference | NSN 5310-01-229-2038

Part Number Cage Code Manufacturer
103055-001 22915 NORTHROP GRUMMAN CORP ELECTRONIC SYSTEMS DEFENSIVE SYSTEM
5710-63-20 86928 SEASTROM MANUFACTURING CO., INC. DBA SEASTROM MANUFACTURING
5710-63-20P 86928 SEASTROM MANUFACTURING CO., INC. DBA SEASTROM MANUFACTURING
60-033380-02 15280 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION
60-033380-02 26916 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV MULTIPLE
60-033380-06 15280 NORTHROP GRUMMAN SYSTEMS CORPORATION DIV ES DEFENSIVE SYSTEMS DIVISION

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Technical Data | NSN 5310-01-229-2038

Characteristic Specifications
CROSS-SECTIONAL SHAPE STYLE RECTANGULAR
PERIPHERAL SHAPE STYLE ROUND
THICKNESS 0.020 INCHES NOMINAL
CENTER HOLE SHAPE STYLE ROUND
MATERIAL DOCUMENT AND CLASSIFICATION QQ-S-766 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM
HOLE DIAMETER 0.252 INCHES MINIMUM AND 0.264 INCHES MAXIMUM
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION MIL-S-5002 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
MATERIAL STEEL COMP 302 OVERALL

Restrictions/Controls & Freight Information | NSN 5310-01-229-2038

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:AItem 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.
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 KH Defense Industrial Supply Center
Philadelphia, PA 19111
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 5310-01-229-2038

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 ValidationE The current standard price is an estimated price.
  • Estimated Price challenges are allowed, but follow procedures in para 60.b. (3) of section L of this manual.
  • This code will be changed to a P code upon notification of a contract price or this code will be changed to an updated code upon determination of a valid price.
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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with 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 CodesZINSURANCE/NUMERIC STOCKAGE OBJECTIVE ITEM # Items which may be required occasionally or intermittently, and prudence requires that a nominal quantity of materiel be stocked due to the essentiality or the lead time of the item. 1. The item is centrally managed, stocked, and issued. 2. Requisitions will be submitted in accordance with IMM/Service requisitioning procedures.
Controlled Item CodeUUNCLASSIFIED
Shelf Life Code0Nondeteriorative
Purchasing QTY
UOM
Q
EA : Each