NSN 2840-01-497-5978 · NIIN 014975978 · Part number 23091502
Rolls Royce Corp · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 1E0F1
Government record, cited
NSN 2840-01-497-5978 — this item is cataloged by the U.S. Government under National Stock Number 2840-01-497-5978. Manufacturer of record part number: 23091502.
Also searched as2840-01-497-5978 ·
2840014975978 ·
NIIN 014975978 ·
01-497-5978 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 1E0F1 · 23091502 · 23058257
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 23091502
Manufacturer: Rolls Royce Corp
General Description
The Blanket,insulation, cataloged under National Stock Number 2840-01-497-5978, 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 Rolls Royce Corp. 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
2840-01-497-5978
Primary Part Number
23091502
Item Name
Blanket,insulation
FSC / FSG
2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Manufacturer
Rolls Royce Corp
Status
ACTIVE
Criticality Code Justification
AGAV
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL B — Remove Demilitarization Key Points
Hazard
No hazard code in the DLA record (HMIC N)
Criticality Code
Y
⇄Related Items2
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
2840-01-576-251923058257POSSIBLE MATCH
INSULATION BLANKET,THERMAL,AIRCR
Possible match (shared part number)Rolls-Royce Corporation
2840-01-656-389623091502POSSIBLE MATCH
INSULATION BLANKET,THERMAL,AIRCR
Possible match (shared part number)Rolls-Royce Corporation
NSN 2840-01-497-5978 is a Blanket,insulation, manufactured by Rolls Royce Corp, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-01-497-5978?
NSN 2840-01-497-5978 has 2 manufacturer part numbers on file: 23091502 (Rolls Royce Corp), 23058257 (Rolls Royce Corp).
What NSN replaces 2840-01-497-5978?
2 possible matches (shared part number, not a government interchangeability claim): 2840-01-576-2519, 2840-01-656-3896. Verify interchangeability with system specifications before substitution.
What are the specifications of 23091502?
Key specifications for 23091502: Criticality Code Justification: AGAV; End Item Identification: KC130J AIRCRAFT ENGINE AE2100D3. 1 specification is documented in the U.S. Government catalog.
Is NSN 2840-01-497-5978 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 2840-01-497-5978?
NSN 2840-01-497-5978 has DEMIL Code B. 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.