The O-Ring, cataloged under National Stock Number 5331-01-578-2095, 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 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-578-2095 |
| Primary Part Number | 2-165-N0304-75 |
| 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 |
|---|---|
| TE30009548-165 | Rheinmetall Canada Inc (CAN) |
| 2-165-N0304-75 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 3887003920 | Fn Herstal Dba Fabrique Nationale Nouvelle Herstal (BEL) |
NSN 5331-01-578-2095 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-578-2095 has 3 manufacturer part numbers on file: TE30009548-165 (Rheinmetall Canada Inc), 2-165-N0304-75 (Parker-Hannifin Corp Div O-Ring Division), 3887003920 (Fn Herstal Dba Fabrique Nationale Nouvelle Herstal).
Key specifications for 2-165-N0304-75: Color: BLACK; Special Features: O RINGS CAN BE MOLDED IN A WIDDE RANGE OF COMPOUNDS IN HARDNESSES FROM 40 TO 95 SHORE A;THIS IS ACRYLONITRILE BUTADIENE(NBR); Part Name Assigned by Controlling Agency: O-RING; End Item Identification: O-RING-LAV RWS(NANUK). 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.