The O-Ring, cataloged under National Stock Number 5331-01-055-8823, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Parco, Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-055-8823 |
| Primary Part Number | 568-168-823-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parco, Llc |
| Status | ACTIVE |
| Temp Rating | -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF |
| Cross-Sectional Height | 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Center Hole Diameter | 7.207 INCHES MINIMUM AND 7.267 INCHES MAXIMUM IN |
| Material | RUBBER SYNTHETIC |
| 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 |
|---|---|
| 568-168-823-70 PRIMARY | Parco, Llc (USA) |
| Reference | Meaning |
|---|---|
| 2-168B612-70 | 5/9 Secondary reference Parker-Hannifin Corp Div O-Ring Division |
| 11732664 | 7/2 Vendor item drawing reference Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5331-01-055-8823 is a O-Ring, manufactured by Parco, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-055-8823 has 1 manufacturer part number on file: 568-168-823-70 (Parco, Llc).
Key specifications for 568-168-823-70: Temp Rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT DEGF; Cross-Sectional Height: 0.127 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Center Hole Diameter: 7.207 INCHES MINIMUM AND 7.267 INCHES MAXIMUM 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.