The Piston,bleed Control Override, cataloged under National Stock Number 2995-00-920-3611, 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. 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 | 2995-00-920-3611 |
| Primary Part Number | 492156 |
| Item Name | Piston,bleed Control Override |
| FSC / FSG | 2995 / 29 — Miscellaneous Engine Accessories, Aircraft |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| General Characteristics Item Description | CRES,1.429 TO 1.431 IN. LG,1.497 TO 1.498 IN. OD,1.290 TO 1.292 IN. ID,4 HOLES 0.490 TO 0.510 IN. ID IN |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 492156 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2995-00-920-3611 is a Piston,bleed Control Override, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2995, Miscellaneous Engine Accessories, Aircraft. Status: active.
NSN 2995-00-920-3611 has 1 manufacturer part number on file: 492156 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
1 possible match (shared part number, not a government interchangeability claim): 3444-01-674-6675. Verify interchangeability with system specifications before substitution.
Key specifications for 492156: General Characteristics Item Description: CRES,1.429 TO 1.431 IN. LG,1.497 TO 1.498 IN. OD,1.290 TO 1.292 IN. ID,4 HOLES 0.490 TO 0.510 IN. ID IN; End Item Identification: 2995009429395 544050 CONTROL ASSY,PRESSURE RATIO BLEED,ACFT ENGINE. 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 2995-00-920-3611 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.