The Housing,relief Valve, cataloged under National Stock Number 2840-00-767-3665, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 2 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-767-3665 |
| Primary Part Number | 387188 |
| Item Name | Housing,relief Valve |
| FSC / FSG | 2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| FSC Application Data | AIRCRAFT JET ENGINE,TF33 |
| General Characteristics Item Description | STEEL,AMS 6322,5.121-5.145 IN.LG,1.842 IN. MIN WRENCHINGFACILITY W,1.614-1.627 IN. W WRENCHING FACILITY FLATS,HEXAGONALSTYLE WRENCHING FACILITY 0.190-0.210 IN. THK,THREADED 1.3125-12UN-3A WRENCHING END,1.146-1.150 IN. OD OTHER END,ROCKWELLC35-40 HARDNESS A |
| 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 |
|---|---|
| 387188 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 2840-00-767-3665 is a Housing,relief Valve, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
NSN 2840-00-767-3665 has 1 manufacturer part number on file: 387188 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 387188: FSC Application Data: AIRCRAFT JET ENGINE,TF33; General Characteristics Item Description: STEEL,AMS 6322,5.121-5.145 IN.LG,1.842 IN. MIN WRENCHINGFACILITY W,1.614-1.627 IN. W WRENCHING FACILITY FLATS,HEXAGONALSTYLE WRENCHING FACILITY 0.190-0.210 IN. THK,THREADED 1.3125-12UN-3A WRENCHING END,1.146-1.150 IN. OD OTHER END,ROCKWELLC35-40 HARDNESS A. 2 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 2840-00-767-3665 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.