The Washer,flat, cataloged under National Stock Number 5310-00-995-7043, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Champion Aerospace Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-995-7043 |
| Primary Part Number | 2941501 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Champion Aerospace Llc |
| Status | ACTIVE |
| Overall Diameter | 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | NICKEL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY 268 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.190 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN |
| Thickness | 0.063 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 |
|---|---|
| 2941501 PRIMARY | Champion Aerospace Llc (USA) |
| Reference | Meaning |
|---|---|
| 2941501 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-995-7043 is a Washer,flat, manufactured by Champion Aerospace Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-995-7043 has 1 manufacturer part number on file: 2941501 (Champion Aerospace Llc).
Key specifications for 2941501: Overall Diameter: 0.719 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-613 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: NICKEL OVERALL. 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.