The Ring,socket, cataloged under National Stock Number 4320-01-220-2118, is classified within Federal Supply Class 4320 (Power and Hand Pumps) of the Pumps and Compressors group. The manufacturer of record is Eaton Aerospace, Llc Dba Jackson South. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Ring,socket |
| FSC / FSG | 4320 — Power and Hand Pumps (FSG 43) |
| Manufacturers | Eaton Aerospace, Llc Dba Jackson South (CAGE 62983); Reidville Hydraulics & Mfg Inc (CAGE 0BTV3) |
| Parameter | Value |
|---|---|
| NSN | 4320-01-220-2118 |
| Primary Part Number | WT70986W |
| Item Name | Ring,socket |
| FSC / FSG | 4320 / 43 — Power and Hand Pumps |
| Manufacturer | Eaton Aerospace, Llc Dba Jackson South |
| 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 |
|---|---|
| 72571 PIECE 38 | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 772571 PIECE 38 | Reidville Hydraulics & Mfg Inc (USA) |
| WT70986W | Reidville Hydraulics & Mfg Inc (USA) |
| WT70986W PRIMARY | Eaton Aerospace, Llc Dba Jackson South (USA) |
| 70986 | Reidville Hydraulics & Mfg Inc (USA) |
| Reference | Meaning |
|---|---|
| 70986 | 5/9 Secondary reference Eaton Aerospace, Llc Dba Jackson South |
NSN 4320-01-220-2118 is a Ring,socket, manufactured by Eaton Aerospace, Llc Dba Jackson South, classified under FSC 4320, Power and Hand Pumps. Status: active.
NSN 4320-01-220-2118 has 5 manufacturer part numbers on file: 72571 PIECE 38 (Eaton Aerospace, Llc Dba Jackson South), 772571 PIECE 38 (Reidville Hydraulics & Mfg Inc), WT70986W (Reidville Hydraulics & Mfg Inc), WT70986W (Eaton Aerospace, Llc Dba Jackson South), 70986 (Reidville Hydraulics & Mfg Inc).
1 possible match (shared part number, not a government interchangeability claim): 2930-01-553-7789. Verify interchangeability with system specifications before substitution.
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.