The O-Ring, cataloged under National Stock Number 5331-01-658-0502, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rsl Fiber 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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Rsl Fiber Systems Llc (CAGE 1VR65) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-658-0502 |
| Primary Part Number | 119771 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rsl Fiber 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 |
|---|---|
| 119771 PRIMARY | Rsl Fiber Systems Llc (USA) |
| 77002 ITEM NO. 12 | Rsl Fiber Systems Llc (USA) |
NSN 5331-01-658-0502 is a O-Ring, manufactured by Rsl Fiber Systems Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-658-0502 has 2 manufacturer part numbers on file: 119771 (Rsl Fiber Systems Llc), 77002 ITEM NO. 12 (Rsl Fiber Systems Llc).
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.