The O-Ring, cataloged under National Stock Number 5331-01-076-1310, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Everllence Usa Inc.. Government technical data includes 4 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. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-076-1310 |
| Primary Part Number | ST036740 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Everllence Usa Inc. |
| Status | ACTIVE |
| Cross-Sectional Height | 0.187 INCHES NOMINAL IN |
| Color | BLACK |
| Center Hole Diameter | 3.000 INCHES NOMINAL IN |
| 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 |
NSN 5331-01-076-1310 is a O-Ring, manufactured by Everllence Usa Inc., classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-076-1310 has 2 manufacturer part numbers on file: ST036740 (Everllence Usa Inc.), 036740 (Itp Engines Uk Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5910-01-130-2531, 5120-01-645-2368. Verify interchangeability with system specifications before substitution.
Key specifications for ST036740: Cross-Sectional Height: 0.187 INCHES NOMINAL IN; Color: BLACK; Center Hole Diameter: 3.000 INCHES NOMINAL IN; End Item Identification: LUBRICATING OIL RELIEF VALVE FOR MAIN PROPULSION DIESEL ENGINES,PAXMAN MODEL 16RP200M ONBOARD 110 FT WPB CG VESSLES FT. 4 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.