The O-Ring, cataloged under National Stock Number 5331-01-039-9757, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-039-9757 |
| Primary Part Number | 6227-88 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Leslie Controls, Inc. Dba Leslie Controls Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN |
| Material | PLASTIC POLYESTER |
| 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 |
|---|---|
| N-632 PIECE 18 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| 6227-88 PRIMARY | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| B39842571 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
| NB39842571 | Leslie Controls, Inc. Dba Leslie Controls Inc (USA) |
NSN 5331-01-039-9757 is a O-Ring, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-039-9757 has 4 manufacturer part numbers on file: N-632 PIECE 18 (Leslie Controls, Inc. Dba Leslie Controls Inc), 6227-88 (Leslie Controls, Inc. Dba Leslie Controls Inc), B39842571 (Leslie Controls, Inc. Dba Leslie Controls Inc), NB39842571 (Leslie Controls, Inc. Dba Leslie Controls Inc).
Key specifications for 6227-88: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Center Hole Diameter: 4.460 INCHES MINIMUM AND 4.490 INCHES MAXIMUM IN; Material: PLASTIC POLYESTER. 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.