The O-Ring, cataloged under National Stock Number 5331-01-417-1037, 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 3 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through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-417-1037 |
| Primary Part Number | 2-37-V747-75 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corp Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN |
| Center Hole Diameter | 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN |
| Material | RUBBER POLYESTER URETHANE CLASS AU |
| 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 |
|---|---|
| 2-37-V747-75 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| 12321155 | Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA) |
| A 923799-00731 PRIMARY | Greene Tweed & Co Inc (USA) |
| 2-237-62290 PRIMARY | R E a L Seal Co (USA) |
| Reference | Meaning |
|---|---|
| OR-237-U-1016 | 5/9 Secondary reference Microdot Inc Polyseal Div |
| 12321155 | 5/9 Secondary reference U S Army Tank Automotive Command Amsta-Im-Mm |
| 12321155 | 5/9 Secondary reference Parker-Hannifin Corporation Div Engineered Polymer Systems Division (eps) |
| 9237-312D | 5/9 Secondary reference Greene Tweed & Co Inc |
| 9237-312 | 5/9 Secondary reference Palmetto Inc |
| OR-237-U-1016 | 5/9 Secondary reference Macrotech Polyseal Inc |
NSN 5331-01-417-1037 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-417-1037 has 4 manufacturer part numbers on file: 2-37-V747-75 (Parker-Hannifin Corp Div O-Ring Division), 12321155 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), A 923799-00731 (Greene Tweed & Co Inc), 2-237-62290 (R E a L Seal Co).
Key specifications for 2-37-V747-75: Cross-Sectional Height: 0.135 INCHES MINIMUM AND 0.143 INCHES MAXIMUM IN; Center Hole Diameter: 3.344 INCHES MINIMUM AND 3.374 INCHES MAXIMUM IN; Material: RUBBER POLYESTER URETHANE CLASS AU. 3 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.