The O-Ring, cataloged under National Stock Number 5331-01-312-5937, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-312-5937 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Status | ACTIVE |
| Temp Rating | -67.0 FAHRENHEIT AND 302.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.207 INCHES NOMINAL IN |
| Center Hole Diameter | 4.526 INCHES NOMINAL IN |
| Material | RUBBER SYNTHETIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| E82350 | 3/9 Design control — primary reference Parker-Hannifin Corporation Dba Motions & Controls Sales Division Div Motion & Control Sales Division - Troy |
NSN 5331-01-312-5937 is a O-Ring, classified under FSC 5331, O-ring. Status: active.
Key specifications for 5331-01-312-5937: Temp Rating: -67.0 FAHRENHEIT AND 302.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.207 INCHES NOMINAL IN; Center Hole Diameter: 4.526 INCHES NOMINAL IN; End Item Identification: USED IN PARKER HANNIFIN FILTER ASSY P/N RF2-1-10C-MP-25TFF9-I-84 ONBOARD 400 FT WAGB COAST GUARD VESSELS 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.