The Ring,wearing, cataloged under National Stock Number 4320-00-549-4262, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Carver Pump Company. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-00-549-4262 |
| Primary Part Number | 2HCS192-22A |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Carver Pump Company |
| Status | ACTIVE |
| Surface Finish | 63.0 MICROINCHES ALL SURFACES |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | GROOVED W/EXTERNAL LOCKING FLANGE |
| Distance From End | 0.312 INCHES NOMINAL IN |
| Body Outside Diameter | 5.375 INCHES NOMINAL IN |
| Groove Depth | 0.156 INCHES NOMINAL IN |
| Distance Below Centerline | 0.125 INCHES NOMINAL IN |
| Body Inside Diameter | 4.312 INCHES NOMINAL IN |
| Material | COPPER ALLOY |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 2HCS192-22A | Carver Pump Company (USA) |
| 55-22422-18US | Euramco Safety Inc (USA) |
| 2-7-118BG | Carver Pump Company (USA) |
| 676-1891-209 | Carver Pump Company (USA) |
| Reference | Meaning |
|---|---|
| 2HCS192-22A | 5/9 Secondary reference General Signal Corp |
| 2HCS192-22A | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
| 2HCS-192 | 3/9 Design control — primary reference Aurora Pump a Unit of General Signal Corp |
| 2-7-118BG | 5/9 Secondary reference General Signal Corp |
| 2-7-118BG | 5/9 Secondary reference Aurora Pump a Unit of General Signal Corp |
NSN 4320-00-549-4262 is a Ring,wearing, manufactured by Carver Pump Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-549-4262 has 4 manufacturer part numbers on file: 2HCS192-22A (Carver Pump Company), 55-22422-18US (Euramco Safety Inc), 2-7-118BG (Carver Pump Company), 676-1891-209 (Carver Pump Company).
Key specifications for 2HCS192-22A: Surface Finish: 63.0 MICROINCHES ALL SURFACES; Corner Shape: SQUARE ALL CORNERS; Body Style: GROOVED W/EXTERNAL LOCKING FLANGE; Distance From End: 0.312 INCHES NOMINAL IN. 9 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.