The O-Ring, cataloged under National Stock Number 5331-00-783-2070, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-00-783-2070 |
| Primary Part Number | 107956-55 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Raytheon Company |
| Status | ACTIVE |
| Cross-Sectional Height | 0.207 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN |
| Center Hole Diameter | 4.210 INCHES MINIMUM AND 4.240 INCHES MAXIMUM IN |
| Material | RUBBER CHLOROPRENE CLASS CR |
| 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 |
|---|---|
| 107956-55 PRIMARY | Raytheon Company (USA) |
NSN 5331-00-783-2070 is a O-Ring, manufactured by Raytheon Company, classified under FSC 5331, O-ring. Status: active.
NSN 5331-00-783-2070 has 1 manufacturer part number on file: 107956-55 (Raytheon Company).
Key specifications for 107956-55: Cross-Sectional Height: 0.207 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN; Center Hole Diameter: 4.210 INCHES MINIMUM AND 4.240 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR. 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.