Product Details | FLAT WASHER

5310-01-103-3251 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: MS1621221, MS16212-21, FFW92, FF-W-92, 5310-01-103-3251, 01-103-3251, 5310011033251, 011033251

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 12 NOV 1980 01-103-3251

Drawings & Photos | NSN 5310-01-103-3251


Demand History | NSN 5310-01-103-3251

Part Number Request Date QTY Origin
FF-W-92 2023-01-18 60 Saudi Arabia
FFW92 2018-07-207 2 United States
FFW92 2016-08-217 21 US
FFW92 2011-10-304 495 United States

Cross Reference | NSN 5310-01-103-3251

Part Number Cage Code Manufacturer
FF-W-92 81348 FEDERAL SPECIFICATIONS PROMULGATED BY GENERAL SERVICES
MS16212-21 96906 MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS

Request a Quote

What Our Customers Say

Compare

NSNs for Compare ( up to 4 ): Add 5310-01-103-3251

Technical Data | NSN 5310-01-103-3251

Characteristic Specifications
MATERIAL COPPER ALLOY 651 OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION QQ-C-591 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT PASSIVATE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
HOLE DIAMETER 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.432 INCHES MINIMUM AND 0.442 INCHES MAXIMUM
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.036 INCHES MINIMUM AND 0.065 INCHES MAXIMUM
NONDEFINITIVE SPEC/STD DATA A TYPE AND 1 GRADE AND F CLASS
III MINIMUM TENSILE STRENGTH 50000 POUNDS PER SQUARE INCH
MANUFACTURERS CODE 81348
NON-DEFINITIVE GOVERNMENT SPEC/STD REFERENCE FF-W-92
MANUFACTURERS CODE 96906
DEFINITIVE GOVERNMENT SPEC/STD REFERENCE MS16212-21

Restrictions/Controls & Freight Information | NSN 5310-01-103-3251

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.
Automatic Data Processing Equipment:0Represents 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 194120 WASHERS/GASKETS/PCKG DVCS NOI
Less than car load rating
Less than truck load rating W Rating Variable
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