The Packing,preformed, cataloged under National Stock Number 5330-01-437-5179, is classified within Federal Supply Class 5330 (Packing and Gasket Materials) of the Hardware and Abrasives group. The manufacturer of record is Rix Industries. 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 | 5330-01-437-5179 |
| Primary Part Number | X123-904-3 |
| Item Name | Packing,preformed |
| FSC / FSG | 5330 / 53 — Packing and Gasket Materials |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT |
| 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 |
|---|---|
| X123-904-3 PRIMARY | Rix Industries (USA) |
NSN 5330-01-437-5179 is a Packing,preformed, manufactured by Rix Industries, classified under FSC 5330, Packing and Gasket Materials. Status: active.
NSN 5330-01-437-5179 has 1 manufacturer part number on file: X123-904-3 (Rix Industries).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-592-9143. Verify interchangeability with system specifications before substitution.
Key specifications for X123-904-3: Special Features: MATERIAL POLYTETRAFLUOROETHYLENE; End Item Identification: "RIX" COMMERICAL OXYGEN CLEANING PROCEDURE; Material: PLASTIC POLYTETRAFLUOROETHYLENE SEALING ELEMENT. 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.