The Washer,flat, cataloged under National Stock Number 5310-01-643-8141, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bae Systems Land & Armaments L.p.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-643-8141 |
| Primary Part Number | 8199460 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bae Systems Land & Armaments L.p. |
| Status | ACTIVE |
| Overall Diameter | 6.5 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM MM |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | COPPER OVERALL |
| Thickness | 1.4 MILLIMETERS MINIMUM AND 1.6 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| 8199460 PRIMARY | Bae Systems Land & Armaments L.p. (USA) |
| Reference | Meaning |
|---|---|
| 8199460 | 3/9 Design control — primary reference Naval Sea Systems Command |
NSN 5310-01-643-8141 is a Washer,flat, manufactured by Bae Systems Land & Armaments L.p., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-643-8141 has 1 manufacturer part number on file: 8199460 (Bae Systems Land & Armaments L.p.).
Key specifications for 8199460: Overall Diameter: 6.5 MILLIMETERS MINIMUM AND 8.5 MILLIMETERS MAXIMUM MM; Cross-Sectional Shape Style: BLANK RECTANGULAR; Surface Treatment: ZINC OVERALL; Peripheral Shape Style: ROUND. 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.