The Valve Assy,check,ai, cataloged under National Stock Number 2995-00-858-1695, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Valve Assy,check,ai |
| FSC / FSG | 2995 — Miscellaneous Engine Accessories, Aircraft (FSG 29) |
| Manufacturers | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (CAGE 0JRC1); Northrop Grumman Systems Corporation (CAGE 79U29) |
| Parameter | Value |
|---|---|
| NSN | 2995-00-858-1695 |
| Primary Part Number | 3-50316-1 |
| Item Name | Valve Assy,check,ai |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 3-50316-1 PRIMARY | Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector (USA) |
| 3-50316-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3-50316-1 | 5/9 Secondary reference Aeroparts Manufacturing & Repair, Inc |
| 3-50316-1 | 5/9 Secondary reference Derco Aerospace, Inc. Dba Derco Aerospace, Inc. a Lockheed Martin Company |
| 3-50316-1 | 5/1 Secondary reference Northrop Grumman Corp Electronic Systems Defensive System Div |
| 3-50316-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 2995-00-858-1695 is a Valve Assy,check,ai, manufactured by Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector, classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-00-858-1695 has 2 manufacturer part numbers on file: 3-50316-1 (Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector), 3-50316-1 (Northrop Grumman Systems Corporation).
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.