The Cap,valve, cataloged under National Stock Number 2995-00-755-7434, is classified within Federal Supply Class 2995 (Miscellaneous Engine Accessories, Aircraft) of the Engine Accessories group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 2995-00-755-7434 |
| Primary Part Number | 456021 |
| Item Name | Cap,valve |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 2995-00-755-7434 is a Cap,valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-00-755-7434 has 2 manufacturer part numbers on file: 456021 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 456021 (Precision Speed Manufacturing, Llc).
1 possible match (shared part number, not a government interchangeability claim): 4240-01-164-2150. Verify interchangeability with system specifications before substitution.
Key specifications for 456021: Special Features: STEEL,AMS 6322 COMP 8740; 1.610 IN. MIN AND 1.630 IN. MAX OVERALL DIA; 1.114 IN. MIN AND 1.127 IN. MAX WIDTH ACROSS FLATS IN. 0 specifications are 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 2995-00-755-7434 has DEMIL Code Q. 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.