The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-593-8619, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. The manufacturer of record is Wuensch Sales Company. The record lists 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 4730-01-593-8619 |
| Primary Part Number | 20PM |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Wuensch Sales 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 |
|---|---|
| 06B3640035 | Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army (USA) |
| 20PM PRIMARY | Wuensch Sales Company (USA) |
| Reference | Meaning |
|---|---|
| MG-QRC-C | 5/1 Secondary reference Mandus Group Llc |
| 20PM | C/1 Advisory reference — outside the item-of-supply concept Ultra Clean Technologies Corp |
| 20PM | 5/9 Secondary reference Nitto Kohki U.s.a., Inc. |
NSN 4730-01-593-8619 is a Coupling Half,quick Disconnect, manufactured by Wuensch Sales Company, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-593-8619 has 2 manufacturer part numbers on file: 06B3640035 (Devcom Chemical Biological Center Dba Chemical Biological Center Div U.s. Dept of Army), 20PM (Wuensch Sales Company).
Key specifications for 20PM: Overall Length: 41.0 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: NIPPLE. 0 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.