The Valve,bypass Assemb, cataloged under National Stock Number 1005-00-928-4111, is classified within Federal Supply Class 1005 (Guns, Through 30mm) of the Weapons group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Valve,bypass Assemb |
| FSC / FSG | 1005 — Guns, Through 30mm (FSG 10) |
| Manufacturers | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); The Boeing Company (CAGE 8V613) |
| Parameter | Value |
|---|---|
| NSN | 1005-00-928-4111 |
| Primary Part Number | 2051029 |
| Item Name | Valve,bypass Assemb |
| FSC / FSG | 1005 / 10 — Guns, Through 30mm |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2051029 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| BUWEPSDWG2051029 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| BUWEPSDWG2051029 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 1005-00-928-4111 is a Valve,bypass Assemb, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 1005, Guns, Through 30mm. Status: active.
NSN 1005-00-928-4111 has 2 manufacturer part numbers on file: 2051029 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), BUWEPSDWG2051029 (The Boeing Company).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-644-1984. Verify interchangeability with system specifications before substitution.
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 1005-00-928-4111 has DEMIL Code D. 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.