The Spacer,finger Valve,turbine Engi, cataloged under National Stock Number 2840-00-327-5995, 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 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2840-00-327-5995 |
| Primary Part Number | 4004057 |
| Item Name | Spacer,finger Valve,turbine Engi |
| 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 |
| General Characteristics Item Description | TITANIUM ALLOY,AMS4921,0.080 IN. MIN,0.090 IN. MAX LG,2.165 IN. MIN,2.175 IN. MAX DIA,W/10 HOLES IRREGULAR SIZES ANDSPACED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4004057 | Rtx Corporation Div Pratt & Whitney (USA) |
| 4004057 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4004057 | 5/9 Secondary reference Alexander Manufacturing Company, Inc. |
| 4004057 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4004057 | 5/9 Secondary reference Moeller Mfg. Company, Llc Div Aircraft |
| 4004057B | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| 2840PL0664318 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 2840-00-327-5995 is a Spacer,finger Valve,turbine Engi, 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 2840-00-327-5995 has 2 manufacturer part numbers on file: 4004057 (Rtx Corporation Div Pratt & Whitney), 4004057 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4004057: General Characteristics Item Description: TITANIUM ALLOY,AMS4921,0.080 IN. MIN,0.090 IN. MAX LG,2.165 IN. MIN,2.175 IN. MAX DIA,W/10 HOLES IRREGULAR SIZES ANDSPACED IN; End Item Identification: F-100 AIRCRAFT 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.
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.