The O-Ring, cataloged under National Stock Number 5331-01-557-1910, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bauer Compressors, Inc.. Government technical data includes 2 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 | 5331-01-557-1910 |
| Primary Part Number | N04058 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bauer Compressors, Inc. |
| Status | ACTIVE |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| N04058 PRIMARY | Bauer Compressors, Inc. (USA) |
NSN 5331-01-557-1910 is a O-Ring, manufactured by Bauer Compressors, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-557-1910 has 1 manufacturer part number on file: N04058 (Bauer Compressors, Inc.).
Key specifications for N04058: Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Part Name Assigned by Controlling Agency: FILTER ASSEMBLY O-RING; End Item Identification: MOORED TRAINING SHIP; Material: RUBBER FLUOROCARBON CLASS FPM. 2 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.