The O-Ring, cataloged under National Stock Number 5331-01-575-2944, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Draeger Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-575-2944 |
| Primary Part Number | 4057739 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Draeger Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 4057739 PRIMARY | Draeger Inc (USA) |
| Reference | Meaning |
|---|---|
| 4057739 | 3/9 Design control — primary reference Draeger Safety, Inc. |
NSN 5331-01-575-2944 is a O-Ring, manufactured by Draeger Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-575-2944 has 1 manufacturer part number on file: 4057739 (Draeger Inc).
Key specifications for 4057739: Special Features: QTY 15 PER PKG; Part Name Assigned by Controlling Agency: O-RING, 0.239 X 0.379 X 0.070 SPPT (MUL 15). 0 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.