The O-Ring, cataloged under National Stock Number 5331-00-946-5342, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rotair Aerospace Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-00-946-5342 |
| Primary Part Number | R1282-101 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rotair Aerospace Corp |
| Status | ACTIVE |
| Cross-Sectional Height | 0.133 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Elongation Percentage | 125 MAXIMUM |
| Center Hole Diameter | 10.467 INCHES MINIMUM AND 10.597 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| 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 |
|---|---|
| R1282-101 PRIMARY | Rotair Aerospace Corp (USA) |
| Reference | Meaning |
|---|---|
| 65357-07032-101 | 5/9 Secondary reference Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp |
NSN 5331-00-946-5342 is a O-Ring, manufactured by Rotair Aerospace Corp, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-946-5342 has 1 manufacturer part number on file: R1282-101 (Rotair Aerospace Corp).
Key specifications for R1282-101: Cross-Sectional Height: 0.133 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Elongation Percentage: 125 MAXIMUM; Center Hole Diameter: 10.467 INCHES MINIMUM AND 10.597 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 4 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.