The Washer,convex, cataloged under National Stock Number 5310-01-082-4632, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Qioptiq Ltd. 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-082-4632 |
| Primary Part Number | 014403 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Qioptiq Ltd |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625 CLASS 2 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | CONVEX |
| Material Document and Classification | QQ-A-200/3D FED SPEC SINGLE MATERIAL RESPONSE OR BS L65 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.380 INCHES NOMINAL IN |
| Material Thickness | 0.090 INCHES NOMINAL IN |
| Color | BLACK OVERALL |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Diameter | 0.156 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 |
|---|---|
| 014403 PRIMARY | Qioptiq Ltd (GBR) |
NSN 5310-01-082-4632 is a Washer,convex, manufactured by Qioptiq Ltd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-082-4632 has 1 manufacturer part number on file: 014403 (Qioptiq Ltd).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-379-5920. Verify interchangeability with system specifications before substitution.
Key specifications for 014403: Surface Treatment Document and Classification: MIL-A-8625 CLASS 2 TYPE 2 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Style Designator: CONVEX; Material Document and Classification: QQ-A-200/3D FED SPEC SINGLE MATERIAL RESPONSE OR BS L65 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.380 INCHES NOMINAL IN. 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.