The Insulation,thermal,special Purpo, cataloged under National Stock Number 5330-00-252-8284, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Arrowhead Products Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-252-8284 |
| Primary Part Number | 40389-9 |
| Item Name | Insulation,thermal,special Purpo |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Arrowhead Products Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 40389-9 | Arrowhead Products Corp (USA) |
| Reference | Meaning |
|---|---|
| 216-46407-9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5330-00-252-8284 is a Insulation,thermal,special Purpo, manufactured by Arrowhead Products Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-252-8284 has 1 manufacturer part number on file: 40389-9 (Arrowhead Products Corp).
1 possible match (shared part number, not a government interchangeability claim): 5330-00-878-4737. Verify interchangeability with system specifications before substitution.
Key specifications for 40389-9: Special Features: USED ON DUCT P/N 216-46382,AIRCRAFT MODEL A-7. 0 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5330-00-252-8284 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.