The O-Ring, cataloged under National Stock Number 5331-01-237-5244, 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 6 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-237-5244 |
| Primary Part Number | 5-107 NM304-75 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.063 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN |
| Outside Diameter | 0.297 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN |
| Hardness Rating | 75.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 0.171 INCHES MINIMUM AND 0.181 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 5-107 NM304-75 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 5-107 N304-75 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
| 5-107 N304-75 | 3/9 Design control — primary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-01-237-5244 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-237-5244 has 1 manufacturer part number on file: 5-107 NM304-75 (Parker-Hannifin Corp Div O-Ring Division).
Key specifications for 5-107 NM304-75: Temp Rating: -65.0 FAHRENHEIT AND 225.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.063 INCHES MINIMUM AND 0.069 INCHES MAXIMUM IN; Outside Diameter: 0.297 INCHES MINIMUM AND 0.319 INCHES MAXIMUM IN; Hardness Rating: 75.0 SHORE DUROMETER A NOMINAL. 6 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.