The O-Ring, cataloged under National Stock Number 5331-01-546-3485, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Chomerics 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-546-3485 |
| Primary Part Number | 440153-002 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
| Status | ACTIVE |
| Material | RUBBER |
| 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 |
|---|---|
| 440153-002 | Drs Network & Imaging Systems Llc (USA) |
| 440153-002 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| 400037-055 | 5/9 Secondary reference Drs Network & Imaging Systems Llc |
NSN 5331-01-546-3485 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-546-3485 has 2 manufacturer part numbers on file: 440153-002 (Drs Network & Imaging Systems Llc), 440153-002 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 440153-002: Special Features: CHO-SEAL E6434; Part Name Assigned by Controlling Agency: O-RING MOLDED CONDUCTIVE; End Item Identification: AN/PAS-13D(V)1 SIGHT, THERMAL FOR LIGHT WEAPONS; Material: RUBBER. 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.