The O-Ring, cataloged under National Stock Number 5331-00-275-1511, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-275-1511 |
| Primary Part Number | 15015R18MS |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
| Status | ACTIVE |
| Cross-Sectional Height | 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN |
| Center Hole Diameter | 0.313 INCHES MINIMUM AND 0.328 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 |
|---|---|
| 15015R18MS PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division (USA) |
| Reference | Meaning |
|---|---|
| I5015R18MS | C/1 Advisory reference — outside the item-of-supply concept Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division |
NSN 5331-00-275-1511 is a O-Ring, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-275-1511 has 1 manufacturer part number on file: 15015R18MS (Parker-Hannifin Corporation Dba Pneutronics Div Chomerics Division).
Key specifications for 15015R18MS: Cross-Sectional Height: 0.028 INCHES MINIMUM AND 0.034 INCHES MAXIMUM IN; Center Hole Diameter: 0.313 INCHES MINIMUM AND 0.328 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.