The O-Ring, cataloged under National Stock Number 5331-00-001-4810, 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through both NSN and commercial part number lookups. 20 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-001-4810 |
| Primary Part Number | 2507294-28 |
| 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 200.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Outside Diameter | 4.129 INCHES NOMINAL IN |
| Elongation Percentage | 200 MAXIMUM |
| Center Hole Diameter | 3.974 INCHES MINIMUM AND 4.004 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 |
|---|---|
| 2507294-28 PRIMARY | Parker-Hannifin Corp Div O-Ring Division (USA) |
| Reference | Meaning |
|---|---|
| 10V60-141-045 | 5/9 Secondary reference Houghton International Inc. |
| MS29513-045 | 5/9 Secondary reference U.S. Government activity |
| 725-70-045 | 5/9 Secondary reference U.S. Government activity |
| 2507294-28 | 7/2 Vendor item drawing reference Naval Sea Systems Command |
| C-69-045 | 5/9 Secondary reference Federal-Mogul Corp Government Sales Dept |
| RT253-65-045 | 5/9 Secondary reference Rubbercraft Corporation of California, Ltd. Dba Rubbercraft Corp |
| SR-822A-60-045 | 5/9 Secondary reference U.S. Government activity |
| PX-1775-045 | 5/9 Secondary reference Acushnet Rubber Company, Inc. Dba Precix |
| 2-045 N602-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| SAE-AS29513 | 3/1 Design control — primary reference Sae International Dba Sae International |
| 1793-045 | 5/9 Secondary reference U.S. Government activity |
| 2507294-28 | 5/9 Secondary reference Parco, Llc |
| MS29513-045 | 5/9 Secondary reference Sae International Dba Sae International |
| MS29513-045 | 5/9 Secondary reference U.S. Government activity |
| 7866-045 | 5/9 Secondary reference Parker Hannifin Corporation Div O-Ring Division |
| 2661058B045 | 5/9 Secondary reference U.S. Government activity |
| 457-60-045 | 5/9 Secondary reference Parco, Llc |
| PRP568-045-457-60 | 5/9 Secondary reference Parco, Llc |
| 60-P-31-045 | 5/9 Secondary reference West American Rubber Co Extrude Products Div |
| N-045N0602-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
NSN 5331-00-001-4810 is a O-Ring, manufactured by Parker-Hannifin Corp Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-001-4810 has 1 manufacturer part number on file: 2507294-28 (Parker-Hannifin Corp Div O-Ring Division).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-578-9552. Verify interchangeability with system specifications before substitution.
Key specifications for 2507294-28: Temp Rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Outside Diameter: 4.129 INCHES NOMINAL IN; Elongation Percentage: 200 MAXIMUM. 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.