The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-541-4773, 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 Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-541-4773 |
| Primary Part Number | SPEC6-4-56 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division |
| Status | ACTIVE |
| Seat Angle | 37.0 DEGREES |
| Style Designator | MALE COUPLING HALF |
| Leg Length | 0.550 INCHES NOMINAL IN |
| Connection Type | THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION |
| Thread Class | 3A ALL ENDS A |
| Thread Series Designator | UNF ALL ENDS |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.250 INCHES ALL ENDS IN |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Surface Treatment | PASSIVATE BODY |
| Mating End Identification | SNAP-TITE INC,COUPLING HALF,QUICK DISCONNECT,PART NO. S6PEN6-4-56 |
| Material | STEEL BODY |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Connection Style | FLARED ALL ENDS |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2134336-1 | Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems (USA) |
| S6PEC6-4-56 | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| S6PEC6-4-56 | Snap-Tite Inc Dba Snap Tite Solenoid Valve Div (USA) |
| 5187-2 | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| SPEC6-4-56 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
NSN 4730-00-541-4773 is a Coupling Half,quick Disconnect, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-541-4773 has 5 cross-referenced part numbers: 2134336-1 (Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems), S6PEC6-4-56 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), S6PEC6-4-56 (Snap-Tite Inc Dba Snap Tite Solenoid Valve Div), 5187-2 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), SPEC6-4-56 (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division).
There are 6 known substitutes for 4730-00-541-4773: 5310-00-262-4564, 5310-00-275-2778, 5975-00-411-1689 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for SPEC6-4-56: Seat Angle: 37.0 DEGREES; Style Designator: MALE COUPLING HALF; Leg Length: 0.550 INCHES NOMINAL IN; Connection Type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTION. 16 total characteristics are documented in the Federal Logistics Information System.