The Retainer,valve Seat, cataloged under National Stock Number 1650-00-474-1995, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 1 specification, 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-474-1995 |
| Primary Part Number | 95957 |
| Item Name | Retainer,valve Seat |
| FSC / FSG | 1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| General Characteristics Item Description | ALUMINUM ALLOY BAR 7075 ST PER QQ&A&354,1.031 IN. LG,0.562 IN. HEX IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 95957 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 1650-00-474-1995 is a Retainer,valve Seat, manufactured by Northrop Grumman Systems Corporation, classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.
NSN 1650-00-474-1995 has 1 manufacturer part number on file: 95957 (Northrop Grumman Systems Corporation).
1 possible match (shared part number, not a government interchangeability claim): 1680-01-722-3137. Verify interchangeability with system specifications before substitution.
Key specifications for 95957: General Characteristics Item Description: ALUMINUM ALLOY BAR 7075 ST PER QQ&A&354,1.031 IN. LG,0.562 IN. HEX IN. 1 specification is 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.
NSN 1650-00-474-1995 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.