The O-Ring, cataloged under National Stock Number 5331-01-647-9812, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Draeger Inc. Government technical data includes 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-647-9812 |
| Primary Part Number | 4056488 OXYGEN CLEAN |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Draeger Inc |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 4056488 OXYGEN CLEAN | Draeger Inc (USA) |
| 4056488CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 4056488 | 5/9 Secondary reference Draeger Safety, Inc. |
| 4056488 OXYGEN CLEANCP | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| 4056488 OXYGEN CLEAN | 5/9 Secondary reference Draeger Safety, Inc. |
NSN 5331-01-647-9812 is a O-Ring, manufactured by Draeger Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-647-9812 has 2 manufacturer part numbers on file: 4056488 OXYGEN CLEAN (Draeger Inc), 4056488CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 4056488 OXYGEN CLEAN: Criticality Code Justification: ZZZY; Part Name Assigned by Controlling Agency: O-RING, NO 010, 70DURO; End Item Identification: MK25 MOD2 UBA; Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D. 2 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.