The Plunger,cylinder Assembly, cataloged under National Stock Number 4310-00-718-1934, is classified within Federal Supply Class 4310 (Compressors and Vacuum Pumps) of the Pumps and Compressors group. The manufacturer of record is Joy Global Underground Mining Llc. Government technical data includes 1 specification, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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.
| Parameter | Value |
|---|---|
| NSN | 4310-00-718-1934 |
| Primary Part Number | 220368 |
| Item Name | Plunger,cylinder Assembly |
| FSC / FSG | 4310 / 43 — Compressors and Vacuum Pumps |
| Manufacturer | Joy Global Underground Mining Llc |
| Status | ACTIVE |
| General Characteristics Item Description | STAINLESS STEEL,TYPE 416,26 TO 30 ROCKWELL HARDNESS |
| 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 |
|---|---|
| 220368 | Joy Global Underground Mining Llc (USA) |
| Reference | Meaning |
|---|---|
| 220368 | 3/9 Design control — primary reference U.S. Government activity |
NSN 4310-00-718-1934 is a Plunger,cylinder Assembly, manufactured by Joy Global Underground Mining Llc, classified under FSC 4310, Compressors and Vacuum Pumps. Status: active.
NSN 4310-00-718-1934 has 1 manufacturer part number on file: 220368 (Joy Global Underground Mining Llc).
1 possible match (shared part number, not a government interchangeability claim): 3120-01-068-2270. Verify interchangeability with system specifications before substitution.
Key specifications for 220368: General Characteristics Item Description: STAINLESS STEEL,TYPE 416,26 TO 30 ROCKWELL HARDNESS; End Item Identification: JOY MFG CO AIR COMPRESSOR,MDL MB-4. 1 specification is 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.