The O-Ring, cataloged under National Stock Number 5331-01-577-4473, 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 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5331-01-577-4473 |
| Primary Part Number | Y49022-125CP |
| Item Name | O-Ring |
| FSC / FSG | 5331 / 53 — O-ring |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Cross-Sectional Height | 0.103 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| Center Hole Diameter | 1.312 INCHES NOMINAL IN |
| Material | PLASTIC POLYTETRAFLUOROETHYLENE |
| 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 |
|---|---|
| Y49022-125CP | Naval Inventory Control Point Mechanicsburg (USA) |
| 790541 ITEM NO3CP | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| Y49022-125 | 3/1 Design control — primary reference Pacific Consolidated Industries Llc |
| 790541 ITEM NO3 | 5/1 Secondary reference Pacific Consolidated Industries Llc |
NSN 5331-01-577-4473 is a O-Ring, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5331, O-ring. Status: active.
NSN 5331-01-577-4473 has 2 manufacturer part numbers on file: Y49022-125CP (Naval Inventory Control Point Mechanicsburg), 790541 ITEM NO3CP (Naval Inventory Control Point Mechanicsburg).
Key specifications for Y49022-125CP: Cross-Sectional Height: 0.103 INCHES NOMINAL IN; Criticality Code Justification: ZZZY; Center Hole Diameter: 1.312 INCHES NOMINAL IN; End Item Identification: COLD END ASSEMBLY - .500 DIA X .750 STROKE - 5000 PSIG.. 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.