The O-Ring, cataloged under National Stock Number 5331-01-312-3729, 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 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | Zf Industrieantriebe Witten Gmbh (CAGE D9182); Din Deutsches Institut Fur Normung Ev (CAGE D8286); Bosch Rexroth Corporation Div Industrial Hydraulics (CAGE 27005) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-312-3729 |
| Primary Part Number | 461163 |
| 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 |
|---|---|
| 0-7877/1041/4 FIND 66 | Zf Industrieantriebe Witten Gmbh (DEU) |
| DIN 7603 A48X55 | Din Deutsches Institut Fur Normung Ev (DEU) |
| A48X55 DIN 7603 | Zf Industrieantriebe Witten Gmbh (DEU) |
| 461163 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
NSN 5331-01-312-3729 is a O-Ring, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-312-3729 has 4 manufacturer part numbers on file: 0-7877/1041/4 FIND 66 (Zf Industrieantriebe Witten Gmbh), DIN 7603 A48X55 (Din Deutsches Institut Fur Normung Ev), A48X55 DIN 7603 (Zf Industrieantriebe Witten Gmbh), 461163 (Bosch Rexroth Corporation Div Industrial Hydraulics).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-613-6775. 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.