The O-Ring, cataloged under National Stock Number 5331-01-042-6327, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Federal-Mogul Corp Government Sales Dept. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5331-01-042-6327 |
| Primary Part Number | 904-K |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Federal-Mogul Corp Government Sales Dept |
| Status | ACTIVE |
| Cross-Sectional Height | 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 904-K | Federal-Mogul Corp Government Sales Dept (USA) |
| 904-K | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 904-K | Parco, Llc (USA) |
| 904-K | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 904-1529 | 3/2 Design control — primary reference U.S. Government activity |
| GS570J3K4 | 7/2 Vendor item drawing reference Northrop Grumman Systems Corporation |
NSN 5331-01-042-6327 is a O-Ring, manufactured by Federal-Mogul Corp Government Sales Dept, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-042-6327 has 4 manufacturer part numbers on file: 904-K (Federal-Mogul Corp Government Sales Dept), 904-K (Parker Hannifin Corporation Div O-Ring Division), 904-K (Parco, Llc), 904-K (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 904-K: Cross-Sectional Height: 0.069 INCHES MINIMUM AND 0.075 INCHES MAXIMUM IN; Center Hole Diameter: 0.346 INCHES MINIMUM AND 0.356 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR. 3 specifications are documented in the U.S. Government catalog.
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.