NSN 2840-00-040-3497 · NIIN 000403497 · Part number 6720805
Allison Transmission Inc Dba Allison Transmission, Inc · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 73342
Government record, cited
NSN 2840-00-040-3497 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-040-3497. Manufacturer of record part number: 6720805.
Also searched as2840-00-040-3497 ·
2840000403497 ·
NIIN 000403497 ·
00-040-3497 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 73342 · 6720805
The Support,outer Air B, cataloged under National Stock Number 2840-00-040-3497, 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 Allison Transmission Inc Dba Allison Transmission, Inc. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-00-040-3497
Primary Part Number
6720805
Item Name
Support,outer Air B
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
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 2840-00-040-3497?
NSN 2840-00-040-3497 is a Support,outer Air B, manufactured by Allison Transmission Inc Dba Allison Transmission, Inc, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-00-040-3497?
NSN 2840-00-040-3497 has 1 manufacturer part number on file: 6720805 (Allison Transmission Inc Dba Allison Transmission, Inc).
What are the specifications of 6720805?
Key specifications for 6720805: End Item Identification: ENG J-33. 0 specifications are documented in the U.S. Government catalog.
Is NSN 2840-00-040-3497 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.
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.