The Ring,wearing, cataloged under National Stock Number 4320-01-194-2011, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Komatsu America Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 4320-01-194-2011 |
| Primary Part Number | 933220C1 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Komatsu America Corp. |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 5.500 INCHES NOMINAL IN |
| Body Inside Diameter | 5.116 INCHES NOMINAL IN |
| Material | PLASTIC PHENOLIC |
| 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 |
|---|---|
| 933220C1 PRIMARY | Komatsu America Corp. (USA) |
| 65X054101 | Greene Tweed & Co Inc (USA) |
| 625X054101 | Greene Tweed & Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 65X054101 | 5/9 Secondary reference Palmetto Inc |
| 933220C1 | 3/9 Design control — primary reference Komatsu American Intl Co |
| 625X054101 | 5/9 Secondary reference Palmetto Inc |
NSN 4320-01-194-2011 is a Ring,wearing, manufactured by Komatsu America Corp., classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-194-2011 has 3 manufacturer part numbers on file: 933220C1 (Komatsu America Corp.), 65X054101 (Greene Tweed & Co Inc), 625X054101 (Greene Tweed & Co Inc).
Key specifications for 933220C1: Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 5.500 INCHES NOMINAL IN; Overall Length: 0.875 INCHES NOMINAL IN. 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.