The Blanket Assembly,thermal,top, cataloged under National Stock Number 2990-00-730-8403, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Arrowhead Products 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2990-00-730-8403 |
| Primary Part Number | 40052-19 |
| Item Name | Blanket Assembly,thermal,top |
| FSC / FSG | 2990 / 29 — Miscellaneous Engine Accessories, Nonaircraft |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| General Characteristics Item Description | CONSTRUCTED OF .003 IN. RIGIDIZED 321 CRES FOIL SHELL AROUND .33 LB/SQ FT KAOWOOL(HOT SIDE) AND .33 LB/SQ FT UNBONDED B FIBER GLASS(COLD SIDE) INSULATION,WITH 10 CAPSTANS EQUALLY SPACED ON TOP AND BOTTOM,DUCT OPERATING TEMP 1200 DEG F,2.000 IN. @NOM THK INSULATION BLANKET LBS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40052-19 PRIMARY | Arrowhead Products Corp (USA) |
| 40052-19 | Federal-Mogul Corp Government Sales Dept (USA) |
| Reference | Meaning |
|---|---|
| 40052 | D/9 Drawing number reference only Arrowhead Products Corp |
| 40052-19 | 5/9 Secondary reference U.S. Government activity |
NSN 2990-00-730-8403 is a Blanket Assembly,thermal,top, manufactured by Arrowhead Products Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
NSN 2990-00-730-8403 has 2 manufacturer part numbers on file: 40052-19 (Arrowhead Products Corp), 40052-19 (Federal-Mogul Corp Government Sales Dept).
6 possible matches (shared part number, not a government interchangeability claim): 6210-00-878-1131, 5935-01-150-3519, 5342-01-152-7769. Verify interchangeability with system specifications before substitution.
Key specifications for 40052-19: General Characteristics Item Description: CONSTRUCTED OF .003 IN. RIGIDIZED 321 CRES FOIL SHELL AROUND .33 LB/SQ FT KAOWOOL(HOT SIDE) AND .33 LB/SQ FT UNBONDED B FIBER GLASS(COLD SIDE) INSULATION,WITH 10 CAPSTANS EQUALLY SPACED ON TOP AND BOTTOM,DUCT OPERATING TEMP 1200 DEG F,2.000 IN. @NOM THK INSULATION BLANKET LBS. 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.