The O-Ring, cataloged under National Stock Number 5331-01-371-5119, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Haltec Corp. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Oshkosh Defense Llc (CAGE 75Q65); Haltec Corp (CAGE 63900) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-371-5119 |
| Primary Part Number | O-320S |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Haltec Corp |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 2HL627 | Oshkosh Defense Llc (USA) |
| O-320S PRIMARY | Haltec Corp (USA) |
| Reference | Meaning |
|---|---|
| VS-1087-4 | 5/9 Secondary reference Eaton Corporation Dba Air Controls Division Div Air Controls Division |
| 320-F | 5/9 Secondary reference Haltec Corp |
| 2HL627 | 5/9 Secondary reference Oshkosh Corp |
NSN 5331-01-371-5119 is a O-Ring, manufactured by Haltec Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-371-5119 has 2 manufacturer part numbers on file: 2HL627 (Oshkosh Defense Llc), O-320S (Haltec Corp).
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.