The Valve,shutoff Pressure Actuated, cataloged under National Stock Number 2995-01-156-7945, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Mission Systems Davenport Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2995-01-156-7945 |
| Primary Part Number | 50403 |
| Item Name | Valve,shutoff Pressure Actuated |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Mission Systems Davenport Inc. |
| Status | ACTIVE |
| General Characteristics Item Description | CONSISTS OF 1 PACKING P/N M25988/1-038; 1 RING,BACKUP P/N MS28774-139; 1 SPRING P/N 715802-1; 1 RETAINER,SPRING P/N 715803-1; 1 HOUSING ASSY P/N 715804-1; 1 POPPET P/N 715808-1; 1 SEAT P/N 715806-1; 1 PIN P/N AS106-3-10; 1 GUIDE P/N 715807-1; 2 SCREW P/N MS24693-C49; 1 RETAINER,SPRING P/N 715803-3; 356-T6 AL ALY AMS 4218 OR A356-T61 AL ALY QQ-A-596; 356-T6 AL ALY AMS 4260; MINUS 65 DEG F TO PLUG 120 DEG F; 200 GPM FLOW RATE; OPERATING PRESSURE 120 PSI; PROOF PRESSURE 240 PSI; BURST PRESSURE 360 PSI; 4.250 IN. LG; 3.500 IN. OD 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 |
|---|---|
| 50403 PRIMARY | Mission Systems Davenport Inc. (USA) |
| Reference | Meaning |
|---|---|
| 715800-1 | 5/2 Secondary reference U.S. Government activity |
NSN 2995-01-156-7945 is a Valve,shutoff Pressure Actuated, manufactured by Mission Systems Davenport Inc., classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-01-156-7945 has 1 manufacturer part number on file: 50403 (Mission Systems Davenport Inc.).
2 possible matches (shared part number, not a government interchangeability claim): 5330-01-277-8761, 4720-01-565-9364. Verify interchangeability with system specifications before substitution.
Key specifications for 50403: General Characteristics Item Description: CONSISTS OF 1 PACKING P/N M25988/1-038; 1 RING,BACKUP P/N MS28774-139; 1 SPRING P/N 715802-1; 1 RETAINER,SPRING P/N 715803-1; 1 HOUSING ASSY P/N 715804-1; 1 POPPET P/N 715808-1; 1 SEAT P/N 715806-1; 1 PIN P/N AS106-3-10; 1 GUIDE P/N 715807-1; 2 SCREW P/N MS24693-C49; 1 RETAINER,SPRING P/N 715803-3; 356-T6 AL ALY AMS 4218 OR A356-T61 AL ALY QQ-A-596; 356-T6 AL ALY AMS 4260; MINUS 65 DEG F TO PLUG 120 DEG F; 200 GPM FLOW RATE; OPERATING PRESSURE 120 PSI; PROOF PRESSURE 240 PSI; BURST PRESSURE 360 PSI; 4.250 IN. LG; 3.500 IN. OD 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 2995-01-156-7945 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.