The Insulation,thermal,special Purpo, cataloged under National Stock Number 5330-01-331-1491, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 14 specifications, 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.
| Parameter | Value |
|---|---|
| NSN | 5330-01-331-1491 |
| Primary Part Number | 68B250052-284 |
| Item Name | Insulation,thermal,special Purpo |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Quilted Feature | INCLUDED |
| Layer Environmental Protection | FIRE RESISTANT LOCATION NOT OTHERWISE SPECIFIED |
| Mounting Facility Location | TWO EDGES |
| Length | 41.000 INCHES NOMINAL IN |
| Supplementary Features | 16 PCF DENSITY CORE W/ E-TYPE FIBERGLASS QUILT-FIBERFRAX |
| Mounting Facility | STRIP |
| Maximum Thermal Conductivity | NOT RATED |
| Width | 9.800 INCHES NOMINAL IN |
| Affixed Sheet | NOT INCLUDED |
| Material | FIBERGLASS LAYER |
| Layer Quantity | 1 LOCATION NOT OTHERWISE SPECIFIED |
| Added Binder | NOT INCLUDED |
| Thickness | 0.250 INCHES NOMINAL IN |
| Layer Thickness | 0.250 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 68B250052-284 | Thermal Structures, Inc (USA) |
| 68B250052-284 | Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc (USA) |
| 68B250052-284 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5330-01-331-1491 is a Insulation,thermal,special Purpo, manufactured by The Boeing Company Div Defense, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-331-1491 has 3 manufacturer part numbers on file: 68B250052-284 (Thermal Structures, Inc), 68B250052-284 (Hi-Temp Insulation Inc Dba Hi-Temp Insulation Inc), 68B250052-284 (The Boeing Company Div Defense).
Key specifications for 68B250052-284: Quilted Feature: INCLUDED; Layer Environmental Protection: FIRE RESISTANT LOCATION NOT OTHERWISE SPECIFIED; Mounting Facility Location: TWO EDGES; Length: 41.000 INCHES NOMINAL IN. 14 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 5330-01-331-1491 has DEMIL Code Q. 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.