The O-Ring, cataloged under National Stock Number 5331-01-231-5211, 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 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-231-5211 |
| Primary Part Number | PRP-568-023-4200-70 |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Parco, Llc |
| Status | ACTIVE |
| Temp Rating | -35.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF |
| Hardness Rating | 70.0 SHORE DUROMETER A NOMINAL |
| Criticality Code Justification | ZZZY |
| Material | RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR |
| Reference Number Differentiating Characteristics | REFERENCE NUMBER DIFFERENTIATING MATERIAL WILL BE IN ACCORDANCE WITH NAVAL INVENTORY CONTROL POINT ACTIVITY HX QUALITY CONTROL. MANUFACTURING AND TESTING SPECIFICATIONS AVAILABLE AT THE DLA ICP |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | Y |
| Part Number | Manufacturer |
|---|---|
| PRP-568-023-4200-70 | Parco, Llc (USA) |
| PO0246NRP | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
| Reference | Meaning |
|---|---|
| PL-52602 PIECE 9 | 5/9 Secondary reference U.S. Government activity |
| 568023-2 | 3/9 Design control — primary reference U.S. Government activity |
| LL-HX3-7745 | 5/9 Secondary reference U.S. Government activity |
NSN 5331-01-231-5211 is a O-Ring, manufactured by Parco, Llc, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-231-5211 has 2 manufacturer part numbers on file: PRP-568-023-4200-70 (Parco, Llc), PO0246NRP (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for PRP-568-023-4200-70: Temp Rating: -35.0 FAHRENHEIT AND 250.0 FAHRENHEIT DEGF; Hardness Rating: 70.0 SHORE DUROMETER A NOMINAL; Criticality Code Justification: ZZZY; Special Features: ITEM MUST COMPLY WITH REQUIREMENTS OF DEFENSE SUPPLY CENTER PHILADELPHIAPRODUCTION STANDARD NO. PO0246NRP. 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.