The O-Ring, cataloged under National Stock Number 5331-01-266-1516, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 3 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-266-1516 |
| Primary Part Number | 5794758 ITEM 61 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF |
| Elongation Percentage | 160 MAXIMUM |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| 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 |
|---|---|
| 5794758 ITEM 61 PRIMARY | Naval Sea Systems Command (USA) |
| 2018-7 ITEM 61 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
NSN 5331-01-266-1516 is a O-Ring, manufactured by Naval Sea Systems Command, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-266-1516 has 2 manufacturer part numbers on file: 5794758 ITEM 61 (Naval Sea Systems Command), 2018-7 ITEM 61 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 5794758 ITEM 61: Temp Rating: -65.0 FAHRENHEIT AND 275.0 FAHRENHEIT DEGF; Elongation Percentage: 160 MAXIMUM; Material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR. 3 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.