The O-Ring, cataloged under National Stock Number 5331-01-363-0615, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Metrex Valve Corp. Dba Metrex Valve Corp. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Australian Pump Industries Pty Ltd Limited Australian Pump Industries Pty. (CAGE Z3X39); Metrex Valve Corp. Dba Metrex Valve Corp (CAGE 21013) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-363-0615 |
| Primary Part Number | FFG-300 ITEM 58 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Metrex Valve Corp. Dba Metrex Valve Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 4K1-75 | Australian Pump Industries Pty Ltd Limited Australian Pump Industries Pty. (AUS) |
| FFG-300 ITEM 58 PRIMARY | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| 4K1-75 | Metrex Valve Corp. Dba Metrex Valve Corp (USA) |
| Reference | Meaning |
|---|---|
| 5331PL0914067 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
NSN 5331-01-363-0615 is a O-Ring, manufactured by Metrex Valve Corp. Dba Metrex Valve Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-363-0615 has 3 manufacturer part numbers on file: 4K1-75 (Australian Pump Industries Pty Ltd Limited Australian Pump Industries Pty.), FFG-300 ITEM 58 (Metrex Valve Corp. Dba Metrex Valve Corp), 4K1-75 (Metrex Valve Corp. Dba Metrex Valve Corp).
No hazard code in the DLA record (HMIC N). 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.