The Gasket, cataloged under National Stock Number 5330-01-321-6597, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kato Engineering Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Gasket |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Kato Engineering Inc. (CAGE 32770) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-321-6597 |
| Primary Part Number | 012-63189-51 |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kato Engineering Inc. |
| 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 |
|---|---|
| 012-63189-51 PRIMARY | Kato Engineering Inc. (USA) |
| Reference | Meaning |
|---|---|
| 099-00141-09 | 5/9 Secondary reference Kato Engineering Inc. |
NSN 5330-01-321-6597 is a Gasket, manufactured by Kato Engineering Inc., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-321-6597 has 1 manufacturer part number on file: 012-63189-51 (Kato Engineering Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2840-01-322-6544. 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.