The Washer,convex, cataloged under National Stock Number 5310-00-982-8388, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Walker Screw Products Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-982-8388 |
| Primary Part Number | 2437853-501 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Walker Screw Products Inc |
| Status | ACTIVE |
| Style Designator | CONVEX |
| Material Document and Classification | QQ-A-277,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.375 INCHES NOMINAL IN |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 7075 OVERALL |
| Hole Diameter | 0.625 INCHES MINIMUM AND 0.630 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 |
|---|---|
| 2437853-501 PRIMARY | Walker Screw Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 2437853-501 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-982-8388 is a Washer,convex, manufactured by Walker Screw Products Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-982-8388 has 1 manufacturer part number on file: 2437853-501 (Walker Screw Products Inc).
Key specifications for 2437853-501: Style Designator: CONVEX; Material Document and Classification: QQ-A-277,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.375 INCHES NOMINAL IN; Material Thickness: 0.250 INCHES NOMINAL IN. 6 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.