The Cover Washer, cataloged under National Stock Number 5310-01-649-5147, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Cover Washer |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003); General Atomics Div General Atomics Electromagnetic Systems (CAGE 4XB60); General Atomics Dba General Atomics Corp (CAGE 4V360) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-649-5147 |
| Primary Part Number | 3890AS004201-01 |
| Item Name | Cover Washer |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3890AS004201-01 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
| 3890AS004201-01 PRIMARY | General Atomics Div General Atomics Electromagnetic Systems (USA) |
| 3890AS004201-01 PRIMARY | General Atomics Dba General Atomics Corp (USA) |
NSN 5310-01-649-5147 is a Cover Washer, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-649-5147 has 3 manufacturer part numbers on file: 3890AS004201-01 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier), 3890AS004201-01 (General Atomics Div General Atomics Electromagnetic Systems), 3890AS004201-01 (General Atomics Dba General Atomics Corp).
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5310-01-649-5147 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.