The Seal, cataloged under National Stock Number 5330-01-148-5891, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Kovatch Corp.. The record lists 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Seal |
| FSC / FSG | 5330 — Packing and Gasket Materials (FSG 53) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Hastings Deering (aust) Pty Ltd (CAGE ZF912); Caterpillar Inc Div Caterpillar Defense (CAGE 11083); Pon Equipment B.v. (CAGE HD208); Kovatch Corp. (CAGE 59556) |
| Parameter | Value |
|---|---|
| NSN | 5330-01-148-5891 |
| Primary Part Number | K-500-EN-0431 |
| Item Name | Seal |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Kovatch Corp. |
| 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 |
|---|---|
| 6CA716 | Oshkosh Defense Llc (USA) |
| 4J7533 | Hastings Deering (aust) Pty Ltd (AUS) |
| 4J7533 | Caterpillar Inc Div Caterpillar Defense (USA) |
| 4J-7533 | Pon Equipment B.v. (NLD) |
| K-500-EN-0431 PRIMARY | Kovatch Corp. (USA) |
| 4J7533 | Westrac Pty Ltd (AUS) |
| 4J7533 | William Adams Pty Ltd (AUS) |
| Reference | Meaning |
|---|---|
| 6CA716 | 5/9 Secondary reference Oshkosh Corp |
| 9Y5710 ITEM 2 | C/1 Advisory reference — outside the item-of-supply concept Caterpillar Inc Div Caterpillar Defense |
NSN 5330-01-148-5891 is a Seal, manufactured by Kovatch Corp., classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-148-5891 has 7 manufacturer part numbers on file: 6CA716 (Oshkosh Defense Llc), 4J7533 (Hastings Deering (aust) Pty Ltd), 4J7533 (Caterpillar Inc Div Caterpillar Defense), 4J-7533 (Pon Equipment B.v.), K-500-EN-0431 (Kovatch Corp.) and 2 more.
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.