The O-Ring, cataloged under National Stock Number 5331-01-173-6594, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bosch Automotive Service Solutions Inc.. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Bosch Automotive Service Solutions Inc. (CAGE 33287) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-173-6594 |
| Primary Part Number | 19543 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bosch Automotive Service Solutions Inc. |
| 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 |
|---|---|
| 19543 PRIMARY | Bosch Automotive Service Solutions Inc. (USA) |
| Reference | Meaning |
|---|---|
| RS30000-57 | 5/9 Secondary reference Bosch Automotive Service Solutions Inc. |
NSN 5331-01-173-6594 is a O-Ring, manufactured by Bosch Automotive Service Solutions Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-173-6594 has 1 manufacturer part number on file: 19543 (Bosch Automotive Service Solutions Inc.).
1 possible match (shared part number, not a government interchangeability claim): 4130-01-459-6211. Verify interchangeability with system specifications before substitution.
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.