The O-Ring, cataloged under National Stock Number 5331-01-030-2681, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corp Div O-Ring Division. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-030-2681 |
| Primary Part Number | 0.237IDX0.040W COMPOUND L677-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -80.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.232 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROSILICONE CLASS FQ |
| 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 |
|---|---|
| 0.237IDX0.040W COMPOUND F80 | Federal-Mogul Corp Government Sales Dept (USA) |
| 0.237IDX0.040W COMPOUND 1903-70 | Parco, Llc (USA) |
| 0.237IDX0.040W COMPOUND 11647 | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 0.237IDX0.040W COMPOUND L677-70 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 82005513-025 | 7/2 Vendor item drawing reference U.S. Government activity |
| 0.237IDX0.040W COMPOUND TH-1057 | 5/9 Secondary reference U.S. Government activity |
| 0.237IDX0.040W COMPOUND TH-1257 | 5/2 Secondary reference U.S. Government activity |
| 0.237IDX0.040W COMPOUND 1393-70 | 5/9 Secondary reference Parco, Llc |
| 0.237IDX0.040W COMPOUND F80 | 5/9 Secondary reference Federal-Mogul Corp Chassis Products Div |
NSN 5331-01-030-2681 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-030-2681 has 4 manufacturer part numbers on file: 0.237IDX0.040W COMPOUND F80 (Federal-Mogul Corp Government Sales Dept), 0.237IDX0.040W COMPOUND 1903-70 (Parco, Llc), 0.237IDX0.040W COMPOUND 11647 (Parker Hannifin Corporation Div O-Ring Division), 0.237IDX0.040W COMPOUND L677-70 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 0.237IDX0.040W COMPOUND L677-70: Temp Rating: -80.0 FAHRENHEIT AND 350.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.037 INCHES MINIMUM AND 0.043 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 0.232 INCHES MINIMUM AND 0.242 INCHES MAXIMUM IN. 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.