The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-720-0891, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-720-0891 |
| Primary Part Number | 3402-4 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution |
| Status | ACTIVE |
| Material | ALUMINUM ALLOY BODY |
| Connection Style | FLARED ALL ENDS |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Quick Disconnect Method | QUICK LEAD THREAD ALL ENDS |
| Surface Treatment | ANODIZE BODY |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Leg Length | 1.047 INCHES NOMINAL IN |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Style Designator | MALE COUPLING HALF |
| Thread Class | 3A ALL ENDS A |
| Quick Disconnect Nominal Size | 0.984 INCHES ALL ENDS IN |
| Features Provided | SELF-SEALING |
| Thread Series Designator | UNF ALL ENDS |
| Seat Angle | 37.0 DEGREES |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 272MS137P001 | Raytheon Company Div Corp (USA) |
| 272MS137P001 | Raytheon Company (USA) |
| 3402-4 PRIMARY | Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution (USA) |
| 437918-1 | Raytheon Company (USA) |
| 3402-4 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 272MS137P001 | Raytheon Company Dba Raytheon Co (USA) |
| BACC10DJBC4W | The Boeing Company Div Defense (USA) |
NSN 4730-00-720-0891 is a Coupling Half,quick Disconnect, manufactured by Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-720-0891 has 7 cross-referenced part numbers: 272MS137P001 (Raytheon Company Div Corp), 272MS137P001 (Raytheon Company), 3402-4 (Eaton Aeroquip Llc Dba Jackson North 1 Div Fluid and Electrical Distribution), 437918-1 (Raytheon Company), 3402-4 (Leonardo Spa Helicopters Division - Production Site) and 2 more.
There are 4 known substitutes for 4730-00-720-0891: 5130-00-221-8010, 5330-00-625-6839, 5950-01-090-3420 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3402-4: Material: ALUMINUM ALLOY BODY; Connection Style: FLARED ALL ENDS; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION; Quick Disconnect Method: QUICK LEAD THREAD ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.