The O-Ring, cataloged under National Stock Number 5331-01-550-4749, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Otto Engineering Inc. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-550-4749 |
| Primary Part Number | C700109-1 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Otto Engineering Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.017 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN |
| Hardness Rating | 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM |
| Center Hole Diameter | 0.610 INCHES MINIMUM AND 0.640 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 |
|---|---|
| C700109-1 PRIMARY | Otto Engineering Inc (USA) |
NSN 5331-01-550-4749 is a O-Ring, manufactured by Otto Engineering Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-550-4749 has 1 manufacturer part number on file: C700109-1 (Otto Engineering Inc).
Key specifications for C700109-1: Cross-Sectional Height: 0.017 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN; Hardness Rating: 55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM; Center Hole Diameter: 0.610 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN; Material: RUBBER CHLOROPRENE CLASS CR. 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.