The Washer,flat, cataloged under National Stock Number 5310-00-137-6543, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Thales Usa, Inc. Div Air Mobility Solutions ("ams"). Government technical data includes 10 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 | 5310-00-137-6543 |
| Primary Part Number | 285392-0001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Thales Usa, Inc. Div Air Mobility Solutions ("ams") |
| Status | ACTIVE |
| Width Across Flats | 2.000 INCHES NOMINAL IN |
| Length | 2.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | PAINT OVERALL |
| Peripheral Shape Style | RECTANGULAR |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.790 INCHES MINIMUM AND 0.830 INCHES MAXIMUM IN |
| Thickness | 0.375 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 |
|---|---|
| 285392-0001 PRIMARY | Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA) |
NSN 5310-00-137-6543 is a Washer,flat, manufactured by Thales Usa, Inc. Div Air Mobility Solutions ("ams"), classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-137-6543 has 1 manufacturer part number on file: 285392-0001 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).
Key specifications for 285392-0001: Width Across Flats: 2.000 INCHES NOMINAL IN; Length: 2.500 INCHES NOMINAL IN; Material Document and Classification: QQ-S-626 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.