The O-Ring, cataloged under National Stock Number 5331-01-559-2127, is classified within Federal Supply Class 5331 (O-ring) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-559-2127 |
| Primary Part Number | CD-023-41A-12CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Material | RUBBER |
| 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 |
|---|---|
| CD-023-41A-12CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 9227-D110 ITEM 12CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 9227-D110 ITEM 12 | 3/1 Design control — primary reference Cepeda Associates, Inc. Dba Cepeda Associates Inc |
NSN 5331-01-559-2127 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-559-2127 has 2 manufacturer part numbers on file: CD-023-41A-12CP (Naval Inventory Control Point Mechanicsburg), 9227-D110 ITEM 12CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for CD-023-41A-12CP: Criticality Code Justification: ZZZY; Special Features: M83248/2 HAS BEEN CANCELED; End Item Identification: REQUIRES SPECIAL CLEANING AND PACKAGING FOR OXYGEN/NITROGEN SERVICE.; Material: RUBBER. 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.