The Seal,insulator, cataloged under National Stock Number 5330-01-179-1083, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Crs Systems Corp Sub of Eastern Cyclone Industries. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Seal,insulator |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Crs Systems Corp Sub of Eastern Cyclone Industries (CAGE 59191); General Dynamics Land Systems Canadacorp (CAGE 56161) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-179-1083 |
| Primary Part Number | 10505550 |
| Item Name | Seal,insulator |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Crs Systems Corp Sub of Eastern Cyclone Industries |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Part Number | Manufacturer |
|---|---|
| 10505550 PRIMARY | Crs Systems Corp Sub of Eastern Cyclone Industries (USA) |
| 10505550 PRIMARY | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| 151.769 | 5/9 Secondary reference Webasto Thermosystems Inc |
| 82451A | C/1 Advisory reference — outside the item-of-supply concept Webasto Thermo & Comfort North America, Inc. Div Webasto Product North America, Inc |
| 82451A | 5/9 Secondary reference Webasto Thermosystems Inc |
NSN 5330-01-179-1083 is a Seal,insulator, manufactured by Crs Systems Corp Sub of Eastern Cyclone Industries, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-179-1083 has 2 manufacturer part numbers on file: 10505550 (Crs Systems Corp Sub of Eastern Cyclone Industries), 10505550 (General Dynamics Land Systems Canadacorp).
1 possible match (shared part number, not a government interchangeability claim): 6750-01-427-1448. Verify interchangeability with system specifications before substitution.
Possible hazard — SDS may be required (DLA HMIC P). 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.