NSN 2840-00-337-4271 · NIIN 003374271 · Part number 4022494
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-00-337-4271 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-337-4271. Manufacturer of record part number: 4022494.
Also searched as2840-00-337-4271 ·
2840003374271 ·
NIIN 003374271 ·
00-337-4271 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 4022494
Overall Diameter: 2.700 INCHES MINIMUM AND 2.720 INCHES MAXIMUM IN
Criticality Code Justification: MATT AND FEAT AND ABHP AND ADAV
Material: STEEL CORROSION RESISTING
2 manufacturer part numbers on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-337-4271
NIIN: 003374271
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 4022494
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Bumper,bleed Valve Strap, cataloged under National Stock Number 2840-00-337-4271, 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 3 specifications, 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-00-337-4271
Primary Part Number
4022494
Item Name
Bumper,bleed Valve Strap
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242
2840-00-004-4242 · Item name not on file
2840-00-021-4702
PLATE,RETAINING,TUB
2840-00-043-0981
BRACKET ASSEMBLY,TUBING
2840-00-043-0982
BRACKET ASSEMBLY,TUBING
2840-00-048-5261
2840-00-048-5261 · Item name not on file
2840-00-407-9165
DIPSTICK,ENGINE
2840-01-171-0875
SEAL,FUEL
2840-01-171-0875
SEAL,FUEL
Frequently Asked Questions
What is NSN 2840-00-337-4271?
NSN 2840-00-337-4271 is a Bumper,bleed Valve Strap, 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.
What part numbers are listed for NSN 2840-00-337-4271?
NSN 2840-00-337-4271 has 2 manufacturer part numbers on file: 4022494 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 4022494 (Rtx Corporation Div Pratt & Whitney).
What are the specifications of 4022494?
Key specifications for 4022494: Overall Diameter: 2.700 INCHES MINIMUM AND 2.720 INCHES MAXIMUM IN; Criticality Code Justification: MATT AND FEAT AND ABHP AND ADAV; Overall Length: 2.520 INCHES NOMINAL IN; Special Features: MATL AMS 5643. 3 specifications are documented in the U.S. Government catalog.
Is NSN 2840-00-337-4271 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
What is the DEMIL code for NSN 2840-00-337-4271?
NSN 2840-00-337-4271 has DEMIL Code Q. Demilitarization may be required before disposal or transfer to non-military entities.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.