The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-317-4217, 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 Tuthill Corp Hansen Coupling Div. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 9 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 | 4730-00-317-4217 |
| Primary Part Number | 4S26 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Tuthill Corp Hansen Coupling Div |
| Status | ACTIVE |
| Leg Length | 0.469 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN |
| Style Designator | MALE COUPLING HALF |
| Thread Series Designator | NPT ALL ENDS |
| Connection Style | PLAIN ALL ENDS |
| Material | COPPER ALLOY BODY |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE FIRST FLUID END CONNECTION |
| Quick Disconnect Nominal Size | 0.703 INCHES ALL ENDS IN |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Quick Disconnect Method | SPRING PUSH-PULL ALL ENDS |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 23569 | Howden Fluid Systems (USA) |
| BST-4 | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division (USA) |
| 4S26 | Hansen Mfg Co Inc (USA) |
| 4-F-B | Hofmann Engineering Co Inc (USA) |
| APP4721 | Tuthill Corp Hansen Coupling Div (USA) |
| 50FS | Foster Manufacturing Co, Inc. Dba Foster Manufacturing Co (USA) |
| 23569 | Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc. (USA) |
| 7746653P63 | Lockheed Martin Corporation Div Rms (USA) |
| 4S26 PRIMARY | Tuthill Corp Hansen Coupling Div (USA) |
| BST-4 | Parker-Hannifin Corporation Div Quick Coupling Division (USA) |
NSN 4730-00-317-4217 is a Coupling Half,quick Disconnect, manufactured by Tuthill Corp Hansen Coupling Div, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-317-4217 has 10 cross-referenced part numbers: 23569 (Howden Fluid Systems), BST-4 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupling Division), 4S26 (Hansen Mfg Co Inc), 4-F-B (Hofmann Engineering Co Inc), APP4721 (Tuthill Corp Hansen Coupling Div) and 5 more.
There are 4 known substitutes for 4730-00-317-4217: 3020-00-489-5118, 5950-00-645-5266, 6850-01-115-5268 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 4S26: Leg Length: 0.469 INCHES MINIMUM AND 0.828 INCHES MAXIMUM IN; Style Designator: MALE COUPLING HALF; Thread Series Designator: NPT ALL ENDS; Connection Style: PLAIN ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.