The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-028-9250, 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 Transdigm Inc Div Adelwiggins Group. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-028-9250 |
| Primary Part Number | 2157-2 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Transdigm Inc Div Adelwiggins Group |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS |
| Quick Disconnect Nominal Size | 0.750 INCHES ALL ENDS IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Nominal Thread Size | 0.562 INCHES ALL ENDS IN |
| Material Document and Classification | AMS 5643 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Thread Class | 3A ALL ENDS A |
| Seat Angle | 37.0 DEGREES |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Connection Style | FLARED ALL ENDS |
| Features Provided | SELF-SEALING |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES ALL ENDS IN |
| Material | STEEL AND STEEL CORROSION RESISTING BODY |
| Leg Length | 1.100 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 5106-06B-V12 | Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit (USA) |
| G630038-2 | L3harris Technologies, Inc Div Space & Airborne Systems (USA) |
| 2157-2 PRIMARY | Transdigm Inc Div Adelwiggins Group (USA) |
NSN 4730-01-028-9250 is a Coupling Half,quick Disconnect, manufactured by Transdigm Inc Div Adelwiggins Group, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-028-9250 has 3 cross-referenced part numbers: 5106-06B-V12 (Parker-Hannifin Corporation Div Stratoflex Products Division Coupling Business Unit), G630038-2 (L3harris Technologies, Inc Div Space & Airborne Systems), 2157-2 (Transdigm Inc Div Adelwiggins Group).
There are 12 known substitutes for 4730-01-028-9250: 5945-00-216-2358, 3120-00-362-3670, 4720-00-466-0536 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2157-2: Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) ALL ENDS; Special Features: W/TWO SAFETY WIRE HOLES;BULKHEAD THREADS ON FLUID END CONNECTION; Quick Disconnect Nominal Size: 0.750 INCHES ALL ENDS IN; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION. 17 total characteristics are documented in the Federal Logistics Information System.