The O-Ring, cataloged under National Stock Number 5331-01-664-5721, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Drs Network & Imaging Systems Llc. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-664-5721 |
| Primary Part Number | 1026258-001 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Drs Network & Imaging Systems Llc |
| 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 |
|---|---|
| 1026258-001 PRIMARY | Drs Network & Imaging Systems Llc (USA) |
| 19-00-39104-1298-40 | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
NSN 5331-01-664-5721 is a O-Ring, manufactured by Drs Network & Imaging Systems Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-664-5721 has 2 manufacturer part numbers on file: 1026258-001 (Drs Network & Imaging Systems Llc), 19-00-39104-1298-40 (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 1026258-001: Part Name Assigned by Controlling Agency: O-RING; End Item Identification: 5855016499837. 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.