The O-Ring, cataloged under National Stock Number 5331-00-182-3068, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-182-3068 |
| Primary Part Number | B0318 2025-0125 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN |
| Center Hole Diameter | 20.188 INCHES MINIMUM AND 20.312 INCHES MAXIMUM IN |
| Material | RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR |
| 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 |
|---|---|
| 2025-0125B318-70 | Parker-Hannifin Corp Div O-Ring Division (USA) |
| B0318 2025-0125 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 10000983 | 5/2 Secondary reference U.S. Government activity |
| 2025-0125B318-7 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| AUT20250X125A | 5/2 Secondary reference U.S. Government activity |
| 261-0215-008 | 5/2 Secondary reference U.S. Government activity |
NSN 5331-00-182-3068 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-182-3068 has 2 manufacturer part numbers on file: 2025-0125B318-70 (Parker-Hannifin Corp Div O-Ring Division), B0318 2025-0125 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for B0318 2025-0125: Cross-Sectional Height: 0.122 INCHES MINIMUM AND 0.128 INCHES MAXIMUM IN; Center Hole Diameter: 20.188 INCHES MINIMUM AND 20.312 INCHES MAXIMUM IN; Material: RUBBER ISOBUTYLENE-ISOPRENE CLASS IIR. 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.