The Packing,preformed, cataloged under National Stock Number 5330-01-341-1930, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. 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 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5330-01-341-1930 |
| Primary Part Number | 4K1-84 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL |
| 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 |
|---|---|
| 4K1-84 PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
NSN 5330-01-341-1930 is a Packing,preformed, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-341-1930 has 1 manufacturer part number on file: 4K1-84 (Metrex Valve Corp. Dba Metrex Valve Corp).
1 possible match (shared part number, not a government interchangeability claim): 5330-01-641-6094. Verify interchangeability with system specifications before substitution.
Key specifications for 4K1-84: Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR OVERALL. 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.