The O-Ring, cataloged under National Stock Number 5331-01-376-9146, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Minnesota Rubber Co. Government technical data includes 3 specifications, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-376-9146 |
| Primary Part Number | 4436-523A |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Minnesota Rubber Co |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER B NOMINAL |
| Center Hole Diameter | 5.827 INCHES MINIMUM AND 5.873 INCHES MAXIMUM IN |
| Material | RUBBER |
| 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 |
|---|---|
| 4436-523A PRIMARY | Minnesota Rubber Co (USA) |
NSN 5331-01-376-9146 is a O-Ring, manufactured by Minnesota Rubber Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-376-9146 has 1 manufacturer part number on file: 4436-523A (Minnesota Rubber Co).
Key specifications for 4436-523A: Hardness Rating: 70.0 SHORE DUROMETER B NOMINAL; Center Hole Diameter: 5.827 INCHES MINIMUM AND 5.873 INCHES MAXIMUM IN; Material: RUBBER. 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.