The O-Ring, cataloged under National Stock Number 5331-01-245-3601, 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. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-245-3601 |
| Primary Part Number | 900128 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Bosch Rexroth Corporation Div Industrial Hydraulics |
| Status | ACTIVE |
| Cross-Sectional Height | 6.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 900128 PRIMARY | Bosch Rexroth Corporation Div Industrial Hydraulics (USA) |
| Reference | Meaning |
|---|---|
| 724904 | 5/9 Secondary reference Bosch Rexroth Corporation Div Industrial Hydraulics |
NSN 5331-01-245-3601 is a O-Ring, manufactured by Bosch Rexroth Corporation Div Industrial Hydraulics, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-245-3601 has 1 manufacturer part number on file: 900128 (Bosch Rexroth Corporation Div Industrial Hydraulics).
4 possible matches (shared part number, not a government interchangeability claim): 5331-01-245-3603, 5930-01-293-7364, 5995-01-324-6287. Verify interchangeability with system specifications before substitution.
Key specifications for 900128: Cross-Sectional Height: 6.0 MILLIMETERS NOMINAL MM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 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.