The O-Ring, cataloged under National Stock Number 5331-01-606-3028, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Rix Industries. The record lists 3 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | O-Ring |
| FSC / FSG | 5331 — O-ring (FSG 53) |
| Manufacturers | Rix Industries (CAGE 28953); Naval Inventory Control Point Mechanicsburg (CAGE 03950) |
| Parameter | Value |
|---|---|
| NSN | 5331-01-606-3028 |
| Primary Part Number | XM123-012-5CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Rix Industries |
| Status | ACTIVE |
| 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 |
|---|---|
| XM123-012-5CP | Rix Industries (USA) |
| XM123-012-5CP | Naval Inventory Control Point Mechanicsburg (USA) |
| B8744 REV G ITEM 1CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| XM123-012-5 | 3/1 Design control — primary reference Rix Industries |
| B8744 REV G ITEM 1 | 5/1 Secondary reference Rix Industries |
| A9551 REV D ITEM 1 | D/9 Drawing number reference only Rix Industries |
NSN 5331-01-606-3028 is a O-Ring, manufactured by Rix Industries, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-606-3028 has 3 manufacturer part numbers on file: XM123-012-5CP (Rix Industries), XM123-012-5CP (Naval Inventory Control Point Mechanicsburg), B8744 REV G ITEM 1CP (Naval Inventory Control Point Mechanicsburg).
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.