The Ring,wearing, cataloged under National Stock Number 4320-01-415-4430, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is M.t. Davidson Company. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Ring,wearing |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | M.t. Davidson Company (CAGE 16062) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-415-4430 |
| Primary Part Number | AONAI-12588AX2MUS |
| Item Name | Ring,wearing |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | M.t. Davidson Company |
| Status | ACTIVE |
| 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 |
|---|---|
| AONAI-12588AX2MUS PRIMARY | M.t. Davidson Company (USA) |
| GCP-C-859 PIECE 11A | M.t. Davidson Company (USA) |
| Reference | Meaning |
|---|---|
| GCP-859 | D/9 Drawing number reference only M.t. Davidson Company |
| AON1-12588AX2M-US | 5/9 Secondary reference M.t. Davidson Company |
NSN 4320-01-415-4430 is a Ring,wearing, manufactured by M.t. Davidson Company, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-415-4430 has 2 manufacturer part numbers on file: AONAI-12588AX2MUS (M.t. Davidson Company), GCP-C-859 PIECE 11A (M.t. Davidson Company).
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.