The Nut,tube Coupling,reducing, cataloged under National Stock Number 4730-01-562-0138, 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 Dh Instruments Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-562-0138 |
| Primary Part Number | 122039 |
| Item Name | Nut,tube Coupling,reducing |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Dh Instruments Inc. |
| Status | ACTIVE |
| Material | STEEL COMP 303 OVERALL |
| 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 |
|---|---|
| 122039 PRIMARY | Dh Instruments Inc. (USA) |
| Reference | Meaning |
|---|---|
| U02039 | D/9 Drawing number reference only Dh Instruments Inc. |
NSN 4730-01-562-0138 is a Nut,tube Coupling,reducing, manufactured by Dh Instruments Inc., classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-562-0138 has 1 manufacturer part number on file: 122039 (Dh Instruments Inc.).
Key specifications for 122039: Part Name Assigned by Controlling Agency: VALVE NUT; End Item Identification: GPC1-10000-AF, GAS PRESSURE CONTROLLER, NSN-6685-01-529-6990.; Material: STEEL COMP 303 OVERALL. 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.