The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-718-1709, is classified within Federal Supply Class 4730 (Hose, Pipe, Tube, Lubrication, and Railing Fittings) of the Pipe, Tubing, Hose, and Fittings group. Government technical data includes 10 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-718-1709 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — Hose, Pipe, Tube, Lubrication, and Railing Fittings |
| Status | ACTIVE |
| Connection Style | PUSH (EXTERNAL) ALL ENDS |
| Nominal Length | 3.91 INCHES IN |
| Nominal Inside Diameter Hose Accommodated | 1.50 INCHES ALL ENDS IN |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Material Document and Classification | ASTM B221 AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Basic Shape Style | ROUND W/OUT BOLT HOLES ALL ENDS |
| Media for Which Designed | HYDRAULIC FLUID SINGLE RESPONSE |
| Material | ALUMINUM ALLOY OVERALL |
| Reference Number Differentiating Characteristics | ITEM IS FAA CERTIFIED |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 27024-100 | 3/1 Design control — primary reference Hydraulics International, Inc. Dba Hydraulics International Inc |
NSN 4730-01-718-1709 is a Coupling Half,quick Disconnect, classified under FSC 4730, Hose, Pipe, Tube, Lubrication, and Railing Fittings. Status: active.
Key specifications for 4730-01-718-1709: Connection Style: PUSH (EXTERNAL) ALL ENDS; Nominal Length: 3.91 INCHES IN; Nominal Inside Diameter Hose Accommodated: 1.50 INCHES ALL ENDS IN; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS. 10 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.