The O-Ring, cataloged under National Stock Number 5331-01-647-0407, 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 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5331-01-647-0407 |
| Primary Part Number | 9452K61 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Outside Diameter | 1.887 INCHES NOMINAL IN |
| Peripheral Diameter | 0.139 INCHES NOMINAL IN |
| Material | RUBBER BUTADIENE NITRILE |
| 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 |
|---|---|
| 9452K61 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| ZUSAH70223 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5331-01-647-0407 is a O-Ring, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-647-0407 has 1 manufacturer part number on file: 9452K61 (Mcmaster-Carr Supply Co).
Key specifications for 9452K61: Outside Diameter: 1.887 INCHES NOMINAL IN; Peripheral Diameter: 0.139 INCHES NOMINAL IN; End Item Identification: 1385-01-620-4061 CLEARANCE ROBOT; Material: RUBBER BUTADIENE NITRILE. 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.