The O-Ring, cataloged under National Stock Number 5331-01-481-1660, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Guild Associates Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-481-1660 |
| Primary Part Number | 863-000602 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Guild Associates Inc |
| Status | ACTIVE |
| Temp Rating | -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.628 INCHES MINIMUM AND 0.746 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 863-000602 PRIMARY | Guild Associates Inc (USA) |
| Reference | Meaning |
|---|---|
| 94115K116 | 5/9 Secondary reference Mcmaster-Carr Supply Co |
NSN 5331-01-481-1660 is a O-Ring, manufactured by Guild Associates Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-481-1660 has 1 manufacturer part number on file: 863-000602 (Guild Associates Inc).
Key specifications for 863-000602: Temp Rating: -40.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.100 INCHES MINIMUM AND 0.106 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Special Features: CLS,MODEL M871 LADDS PACKAGE OF 100 NEOPRENE O-RINGS;SIZE PER AS568-116;AMMONIA,HIGH ANILINE POINT PETROLEUM OIL,AND SILICATE ESTER LUBRICANT RESISTANT;TM 9-3510-122-24P. 5 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.