The Gasket, cataloged under National Stock Number 5330-00-856-2003, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Cooper Machinery Services Llc. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-00-856-2003 |
| Primary Part Number | 4A2143A |
| Item Name | Gasket |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Cooper Machinery Services Llc |
| Status | ACTIVE |
| Supplementary Features | CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 4A2143A PRIMARY | Cooper Machinery Services Llc (USA) |
| Reference | Meaning |
|---|---|
| 4A2143A | 5/9 Secondary reference Cooper Cameron Corp Ajax-Superior Div |
NSN 5330-00-856-2003 is a Gasket, manufactured by Cooper Machinery Services Llc, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-00-856-2003 has 1 manufacturer part number on file: 4A2143A (Cooper Machinery Services Llc).
Key specifications for 4A2143A: Supplementary Features: CROSS-SECTIONAL SHAPE STYLE:NO.195 IRREGULAR SHAPE FROM FIIG A03200; Special Features: STYLE DESIGNATOR:NO.60 IRREGULAR SHAPE FROM FIIG A03200. 1 specification is 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.
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.