Product Details | FLAT WASHER

5310-00-239-8275 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: 34C172C101, 34C172C1-01, 5310-00-239-8275, 00-239-8275, 5310002398275, 002398275

Hardware and Abrasives | Nuts and Washers

Supply Group (FSG) NSN Assign. NIIN
53 07-NOV-69 00-239-8275

Drawings & Photos | NSN 5310-00-239-8275


Cross Reference | NSN 5310-00-239-8275

Part Number Cage Code Manufacturer
34C172C1-01 35351 GE AVIATION SYSTEMS LLC
446130 21450 ARMY WEAPONS COMMAND ATTN AMSWE-REE-S
FF-W-92B 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY
MILW1085TYPEA 81349 MILITARY SPECIFICATIONS PROMULGATED BY MILITARY

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Technical Data | NSN 5310-00-239-8275

Characteristic Specifications
MATERIAL STEEL OVERALL
HOLE DIAMETER 0.390 INCHES NOMINAL
PERIPHERAL SHAPE STYLE 1 ROUND
OVERALL DIAMETER 0.934 INCHES NOMINAL
CENTER HOLE SHAPE STYLE 1 ROUND
CROSS-SECTIONAL SHAPE STYLE 1 RECTANGULAR
THICKNESS 0.063 INCHES NOMINAL
MANUFACTURERS CODE 35351
DESIGN CONTROL REFERENCE 34C172C1-01

Restrictions/Controls & Freight Information | NSN 5310-00-239-8275

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
No Freight Information