The Washer,flat, cataloged under National Stock Number 5310-01-495-5212, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. Government technical data includes 9 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 | 5310-01-495-5212 |
| Primary Part Number | 732025-41 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hamilton Sundstrand Corporation Dba Collins Aerospace |
| Status | ACTIVE |
| Overall Diameter | 0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN |
| Hardness Rating | 372.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 423.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM |
| Material Document and Classification | AMS5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 301 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.314 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN |
| Thickness | 0.0175 INCHES MINIMUM AND 0.0185 INCHES MAXIMUM 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 |
|---|---|
| 732025-41 PRIMARY | Hamilton Sundstrand Corporation Dba Collins Aerospace (USA) |
NSN 5310-01-495-5212 is a Washer,flat, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-495-5212 has 1 manufacturer part number on file: 732025-41 (Hamilton Sundstrand Corporation Dba Collins Aerospace).
Key specifications for 732025-41: Overall Diameter: 0.510 INCHES MINIMUM AND 0.530 INCHES MAXIMUM IN; Hardness Rating: 372.0 VICKERS OR FIRTH DIAMOND PYRAMID MINIMUM AND 423.0 VICKERS OR FIRTH DIAMOND PYRAMID MAXIMUM; Material Document and Classification: AMS5519 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 9 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.