The O-Ring, cataloged under National Stock Number 5331-01-642-6902, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 5 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-642-6902 |
| Primary Part Number | 4061T115 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Temp Rating | -30.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.070 INCHES NOMINAL IN |
| Outside Diameter | 0.379 INCHES NOMINAL IN |
| Center Hole Diameter | 0.239 INCHES NOMINAL IN |
| Material | RUBBER NATURAL |
| 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 |
|---|---|
| 4061T115 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 56528454 | 3/2 Design control — primary reference U.S. Government activity |
| 08000543 | D/9 Drawing number reference only U.S. Government activity |
| 08000543 FN 21 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5331-01-642-6902 is a O-Ring, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-642-6902 has 1 manufacturer part number on file: 4061T115 (Mcmaster-Carr Supply Co).
Key specifications for 4061T115: Temp Rating: -30.0 FAHRENHEIT AND 212.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.070 INCHES NOMINAL IN; Outside Diameter: 0.379 INCHES NOMINAL IN; Center Hole Diameter: 0.239 INCHES NOMINAL IN. 5 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.