The O-Ring, cataloged under National Stock Number 5331-00-235-4952, 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5331-00-235-4952 |
| Primary Part Number | 011-7507 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker Hannifin Corporation Div O-Ring Division |
| Status | CANCELLED |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN |
| Material | RUBBER |
| Acquisition Status | CANCELLED |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 011-7507 PRIMARY | Parker Hannifin Corporation Div O-Ring Division (USA) |
| PRP011C0MP7507 | Trelleborg Sealing Solutions Germany Gmbh (DEU) |
| 10443DA | Parker Hannifin Corporation Div O-Ring Division (USA) |
| 23111-99-0342 | Rheinmetall Landsysteme Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| S4-ML305-B ITEM 19 | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Hydraulic Pump Division |
| 23111-99-0342 | 5/9 Secondary reference Henschel Wehrtechnik Gmbh |
NSN 5331-00-235-4952 is a O-Ring, manufactured by Parker Hannifin Corporation Div O-Ring Division, classified under FSC 5331, O-ring. Status: cancelled.
NSN 5331-00-235-4952 has 4 manufacturer part numbers on file: 011-7507 (Parker Hannifin Corporation Div O-Ring Division), PRP011C0MP7507 (Trelleborg Sealing Solutions Germany Gmbh), 10443DA (Parker Hannifin Corporation Div O-Ring Division), 23111-99-0342 (Rheinmetall Landsysteme Gmbh).
Key specifications for 011-7507: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Center Hole Diameter: 0.296 INCHES MINIMUM AND 0.306 INCHES MAXIMUM IN; Material: RUBBER. 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.
NSN 5331-00-235-4952 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.
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.