PartsTable TECHNICAL DATA SHEET
NSN 2840-00-420-9889Government record, cited

Insulation Blanket, Thermal, Aircr2840-00-420-9889

NSN 2840-00-420-9889 · NIIN 004209889 · Part number CF821-02P4
Carborundum Co the Refractories Div · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 07521
Government record, cited
NSN 2840-00-420-9889 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-420-9889. Manufacturer of record part number: CF821-02P4.
Also searched as  2840-00-420-9889 · 2840004209889 · NIIN 004209889 · 00-420-9889 · FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 07521 · CF821-02P4 · 9697M96P04
Nearby stock numbers  ·
Features
  • Insulation Blanket,thermal,aircr — FSC 2840
  • Criticality Code Justification: AGAV
  • 3 manufacturer part numbers on file
  • Manufacturer of record: Carborundum Co the Refractories Div
Identification
  • NSN: 2840-00-420-9889
  • NIIN: 004209889
  • FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
  • FSG: 28 — Engines, Turbines, and Components
  • Primary part number: CF821-02P4
  • Manufacturer: Carborundum Co the Refractories Div
General Description

The Insulation Blanket,thermal,aircr, cataloged under National Stock Number 2840-00-420-9889, 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 Carborundum Co the Refractories Div. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN2840-00-420-9889
Primary Part NumberCF821-02P4
Item NameInsulation Blanket,thermal,aircr
FSC / FSG2840 / 28 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
ManufacturerCarborundum Co the Refractories Div
StatusACTIVE
Criticality Code JustificationAGAV
Lifecycle & Compliance
Acquisition StatusACTIVE
DEMIL CodeDEMIL A — No Demilitarization Required
HazardNo hazard code in the DLA record (HMIC N)
Criticality CodeY
Cross-Reference Index
Part NumberManufacturer
9697M96P04 General Electric Company (USA)
CF821-02P4 PRIMARY Carborundum Co the Refractories Div (USA)
CF821-02P4 PRIMARY Unifrax I Llc (USA)
No interchangeability data on file.
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 2840-00-420-9889?

NSN 2840-00-420-9889 is a Insulation Blanket,thermal,aircr, manufactured by Carborundum Co the Refractories Div, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.

What part numbers are listed for NSN 2840-00-420-9889?

NSN 2840-00-420-9889 has 3 manufacturer part numbers on file: 9697M96P04 (General Electric Company), CF821-02P4 (Carborundum Co the Refractories Div), CF821-02P4 (Unifrax I Llc).

What are the specifications of CF821-02P4?

Key specifications for CF821-02P4: Criticality Code Justification: AGAV; End Item Identification: ACFT ENG TF-39. 1 specification is documented in the U.S. Government catalog.

Is NSN 2840-00-420-9889 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.
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