The Ring,wearing, cataloged under National Stock Number 4320-00-994-0852, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Genii Research Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4320-00-994-0852 |
| Primary Part Number | MAI9940852 |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Genii Research Inc |
| Status | ACTIVE |
| Corner Shape | SQUARE ALL CORNERS |
| Body Style | PLAIN |
| Body Outside Diameter | 6.270 INCHES NOMINAL IN |
| Body Inside Diameter | 5.937 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 |
|---|---|
| MAI9940852 | Genii Research Inc (USA) |
| Reference | Meaning |
|---|---|
| CA11001-4-1 | 3/2 Design control — primary reference U.S. Government activity |
| PPC9940852 | 5/9 Secondary reference Precision Products Co |
| CA11002-4-1 | 5/2 Secondary reference U.S. Government activity |
NSN 4320-00-994-0852 is a Ring,wearing, manufactured by Genii Research Inc, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-00-994-0852 has 1 manufacturer part number on file: MAI9940852 (Genii Research Inc).
Key specifications for MAI9940852: Corner Shape: SQUARE ALL CORNERS; Body Style: PLAIN; Body Outside Diameter: 6.270 INCHES NOMINAL IN; Overall Length: 0.812 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.