The O-Ring, cataloged under National Stock Number 5331-01-421-6099, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Bosch Rexroth Corporation Div Industrial Hydraulics. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Bosch Rexroth Corporation Div Industrial Hydraulics (CAGE 27005) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-421-6099 |
| Primary Part Number | R900004320 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| 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 |
|---|---|
| R900004320 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| RR00004322 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
| 004320 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
| RR00004320 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 5331-01-421-6099 is a O-Ring, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-421-6099 has 1 manufacturer part number on file: R900004320 (Bosch Rexroth Corporation Div Industrial Hydraulics).
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.