The O-Ring, cataloged under National Stock Number 5331-01-353-2070, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is DC Fabricators Inc. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-353-2070 |
| Primary Part Number | CW-686ATA SYMBOL CW-686ATC |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | DC Fabricators Inc |
| Status | ACTIVE |
| Cross-Sectional Height | 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Center Hole Diameter | 16.920 INCHES MINIMUM AND 17.080 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 |
|---|---|
| CW-686ATA SYMBOL CW-686ATC PRIMARY | DC Fabricators Inc (USA) |
| CW-2300CW PIECE 623 | DC Fabricators Inc (USA) |
| CW-686ATC | DC Fabricators Inc (USA) |
NSN 5331-01-353-2070 is a O-Ring, manufactured by DC Fabricators Inc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-353-2070 has 3 manufacturer part numbers on file: CW-686ATA SYMBOL CW-686ATC (DC Fabricators Inc), CW-2300CW PIECE 623 (DC Fabricators Inc), CW-686ATC (DC Fabricators Inc).
Key specifications for CW-686ATA SYMBOL CW-686ATC: Cross-Sectional Height: 0.269 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Center Hole Diameter: 16.920 INCHES MINIMUM AND 17.080 INCHES MAXIMUM IN; Material: RUBBER FLUOROCARBON CLASS FPM. 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.