The O-Ring, cataloged under National Stock Number 5331-01-726-8125, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-726-8125 |
| Primary Part Number | J515HK300X0720H |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Temp Rating | -15.0 CELSIUS AND 275.0 CELSIUS DEGC |
| Cross-Sectional Height | 2.90 MILLIMETERS MINIMUM AND 3.10 MILLIMETERS MAXIMUM MM |
| Material Document and Classification | MIL-R-83248C MIL SPEC SINGLE MATERIAL RESPONSE |
| Specification/standard Data | 0U583-SAE J515 INTERNATIONAL STD/SPEC |
| Center Hole Diameter | 71.50 MILLIMETERS MINIMUM AND 72.50 MILLIMETERS MAXIMUM MM |
| Material | FLUOROCARBON RUBBER |
| 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 |
|---|---|
| J515HK300X0720H PRIMARY | Sae International Dba Sae International (USA) |
| M7560400-12 | Waukesha Bearings Corporation (USA) |
| Reference | Meaning |
|---|---|
| J515HK300X0720H | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-726-8125 is a O-Ring, manufactured by Sae International Dba Sae International, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-726-8125 has 2 manufacturer part numbers on file: J515HK300X0720H (Sae International Dba Sae International), M7560400-12 (Waukesha Bearings Corporation).
Key specifications for J515HK300X0720H: Temp Rating: -15.0 CELSIUS AND 275.0 CELSIUS DEGC; Cross-Sectional Height: 2.90 MILLIMETERS MINIMUM AND 3.10 MILLIMETERS MAXIMUM MM; Material Document and Classification: MIL-R-83248C MIL SPEC SINGLE MATERIAL RESPONSE; Specification/standard Data: 0U583-SAE J515 INTERNATIONAL STD/SPEC. 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.