The Washer,flat, cataloged under National Stock Number 5310-01-265-8975, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-265-8975 |
| Primary Part Number | 10252546 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Outside Left Corner Chamfer Angle | 45.0 DEGREES NOMINAL |
| Surface Treatment Document and Classification | MIL-E-52929,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 2.500 INCHES NOMINAL IN |
| Material Document and Classification | ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Surface Treatment | ENAMEL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 1.265 INCHES MINIMUM AND 1.278 INCHES MAXIMUM IN |
| Thickness | 0.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 10252546 PRIMARY | Us Army Aviation and Missile Command (USA) |
NSN 5310-01-265-8975 is a Washer,flat, manufactured by Us Army Aviation and Missile Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-265-8975 has 1 manufacturer part number on file: 10252546 (Us Army Aviation and Missile Command).
Key specifications for 10252546: Outside Left Corner Chamfer Angle: 45.0 DEGREES NOMINAL; Surface Treatment Document and Classification: MIL-E-52929,TY 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 2.500 INCHES NOMINAL IN; Material Document and Classification: ASTM A36 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 11 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.