The O-Ring, cataloged under National Stock Number 5331-00-781-7308, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker Hannifin Corporation 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5331-00-781-7308 |
| Primary Part Number | 015-7507 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.671 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 015-7507 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 23111-99-0514 | Rheinmetall Landsysteme Gmbh (DEU) |
| PRP015C0MP7507 | Trelleborg Sealing Solutions Germany Gmbh (DEU) |
| 015-7507 | Trelleborg Sealing Solutions Germany Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 23111-99-0514 | 5/9 Secondary reference Henschel Wehrtechnik Gmbh |
NSN 5331-00-781-7308 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-781-7308 has 4 manufacturer part numbers on file: 015-7507 (Parker Hannifin Corporation Div O-Ring Division), 23111-99-0514 (Rheinmetall Landsysteme Gmbh), PRP015C0MP7507 (Trelleborg Sealing Solutions Germany Gmbh), 015-7507 (Trelleborg Sealing Solutions Germany Gmbh).
1 possible match (shared part number, not a government interchangeability claim): 5331-01-026-2709. Verify interchangeability with system specifications before substitution.
Key specifications for 015-7507: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.671 INCHES MINIMUM AND 0.681 INCHES MAXIMUM IN; Material: RUBBER SYNTHETIC. 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.