The O-Ring, cataloged under National Stock Number 5331-01-571-8565, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rix Industries. 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-571-8565 |
| Primary Part Number | 123-031-5 OXYGEN CLEAN CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| Cross-Sectional Height | 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| Center Hole Diameter | 1.724 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN |
| Material | RUBBER FLUOROCARBON CLASS FPM |
| Reference Number Differentiating Characteristics | CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 123-031-5 OXYGEN CLEAN CP | Rix Industries (USA) |
| 067260019132CPCP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| B9549 ITEM 1 OXYGEN CLEAN CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 123-031-5 OXYGEN CLEAN CP | 5/1 Secondary reference Naval Inventory Control Point Mechanicsburg |
| 067260019132CP | 5/1 Secondary reference Emerson Automation Solutions Final Control Us Lp Div Navy Product Team |
| 123-031-5 OXYGEN CLEAN | 3/1 Design control — primary reference Rix Industries |
| B9549 ITEM 1 OXYGEN CLEAN | 5/1 Secondary reference Rix Industries |
NSN 5331-01-571-8565 is a O-Ring, manufactured by Rix Industries, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-571-8565 has 2 manufacturer part numbers on file: 123-031-5 OXYGEN CLEAN CP (Rix Industries), 067260019132CPCP (Naval Inventory Control Point Mechanicsburg).
Key specifications for 123-031-5 OXYGEN CLEAN CP: Cross-Sectional Height: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN; Criticality Code Justification: ZZZY; Center Hole Diameter: 1.724 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN; End Item Identification: COMPRESSOR. 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.