The Washer,flat, cataloged under National Stock Number 5310-00-450-1902, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mbda Uk Ltd. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-450-1902 |
| Primary Part Number | G0006381 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mbda Uk Ltd |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-250/12 T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | ROUND |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN |
| Thickness | 0.028 INCHES MINIMUM AND 0.036 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 |
|---|---|
| G0006381 | Mbda Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 5310PL1974588 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| NAS1252-4L | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-450-1902 is a Washer,flat, manufactured by Mbda Uk Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-450-1902 has 1 manufacturer part number on file: G0006381 (Mbda Uk Ltd).
Key specifications for G0006381: Surface Treatment Document and Classification: MIL-A-8625 TY 2 CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.307 INCHES MINIMUM AND 0.332 INCHES MAXIMUM IN; Material Document and Classification: QQ-A-250/12 T6 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.