The O-Ring, cataloged under National Stock Number 5331-01-733-2978, 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 1 specification, 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-733-2978 |
| Primary Part Number | N1173-70 2-113 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Color | BLACK |
| 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 |
|---|---|
| N1173-70 2-113 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| N1173-70 2-113 | Parker Hannifin (australia) Pty Ltd (AUS) |
NSN 5331-01-733-2978 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-733-2978 has 2 manufacturer part numbers on file: N1173-70 2-113 (Parker-Hannifin Corp Div O-Ring Division), N1173-70 2-113 (Parker Hannifin (australia) Pty Ltd).
Key specifications for N1173-70 2-113: Color: BLACK; Special Features: NEGATIVE 25 DEGREES FAHRENHEIT TO 300 DEGREES FAHRENHEIT;INSIDE DIAMETER 0.549 INCHES;TOLERANCE 0.007 INCHES IN; Part Name Assigned by Controlling Agency: HYDROGENATED NITRILE. 1 specification is 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.