The O-Ring, cataloged under National Stock Number 5331-01-491-2043, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sauer Compressors Usa, Inc.. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-491-2043 |
| Primary Part Number | NP50MM3MMVTN75 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sauer Compressors Usa, Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 3.0 MILLIMETERS NOMINAL MM |
| Center Hole Diameter | 50.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 085287 | Sauer Compressors Usa, Inc. (USA) |
| NP50MM3MMVTN75 PRIMARY | Sauer Compressors Usa, Inc. (USA) |
| 08174 TBLE III NP50MMX30MMVTN75 | Sauer Compressors Usa, Inc. (USA) |
| Reference | Meaning |
|---|---|
| NP50MMX3MMVTN75 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-491-2043 is a O-Ring, manufactured by Sauer Compressors Usa, Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-491-2043 has 3 manufacturer part numbers on file: 085287 (Sauer Compressors Usa, Inc.), NP50MM3MMVTN75 (Sauer Compressors Usa, Inc.), 08174 TBLE III NP50MMX30MMVTN75 (Sauer Compressors Usa, Inc.).
Key specifications for NP50MM3MMVTN75: Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM; Center Hole Diameter: 50.0 MILLIMETERS NOMINAL MM; End Item Identification: HP COMPRESS; Material: RUBBER FLUOROCARBON CLASS FPM. 3 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.