The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-160-5794, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-160-5794 |
| Primary Part Number | EC250J6 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Connection Style | FLARELESS ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Quick Disconnect Nominal Size | 0.734 INCHES ALL ENDS IN |
| Leg Length | 0.469 INCHES NOMINAL IN |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Seat Angle | 12.0 DEGREES |
| Surface Treatment | PASSIVATE BODY |
| Thread Class | 3A ALL ENDS A |
| Material | STEEL BODY |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| 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 |
|---|---|
| EC250J6 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
| R02J06B | Lkr, Inc. Dba Lkr Inc Div Raycon Industries (USA) |
| Reference | Meaning |
|---|---|
| 5189377-001 | 5/9 Secondary reference Naval Sea Systems Command |
| 4730PL1321826 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| LEC250J6 | 5/9 Secondary reference Transdigm Inc Div Adelwiggins Group |
| 0098-LL-TJ2-2545 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 4730-01-160-5794 is a Coupling Half,quick Disconnect, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
NSN 4730-01-160-5794 has 2 manufacturer part numbers on file: EC250J6 (Transdigm Inc Div Adelwiggins Group), R02J06B (Lkr, Inc. Dba Lkr Inc Div Raycon Industries).
Key specifications for EC250J6: Connection Style: FLARELESS ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Style Designator: MALE COUPLING HALF. 14 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.