The O-Ring, cataloged under National Stock Number 5331-01-026-2212, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Hiab Usa Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-026-2212 |
| Primary Part Number | 991 2398 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Hiab Usa Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 3.0 MILLIMETERS NOMINAL MM |
| Material | RUBBER |
| 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 |
|---|---|
| 991 2398 PRIMARY | Hiab Usa Inc (USA) |
| Reference | Meaning |
|---|---|
| 991 2398 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5331-01-026-2212 is a O-Ring, manufactured by Hiab Usa Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-026-2212 has 1 manufacturer part number on file: 991 2398 (Hiab Usa Inc).
Key specifications for 991 2398: Cross-Sectional Height: 3.0 MILLIMETERS NOMINAL MM; Material: RUBBER. 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.