The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-903-6543, 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 Conax Florida Corporation. Government technical data includes 11 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-903-6543 |
| Primary Part Number | 3131-5 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Conax Florida Corporation |
| Status | CANCELLED |
| Surface Treatment | ANODIZE BODY |
| Material | ALUMINUM ALLOY BODY |
| Connection Type | INTERNAL QUICK DISCONNECT ALL ENDS |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Nominal Size | 0.875 INCHES ALL ENDS IN |
| Features Provided | SELF-SEALING |
| Leg Length | 0.844 INCHES NOMINAL IN |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Nominal Inside Diameter Hose Accommodated | 0.625 INCHES ALL ENDS IN |
| Connection Style | BEADED ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3131-5 PRIMARY | Conax Florida Corporation (USA) |
| REDARC10660-1 | R.e. Darling Co., Inc. (USA) |
| 3131-5 | American Safety Flight Systems Inc (USA) |
NSN 4730-00-903-6543 is a Coupling Half,quick Disconnect, manufactured by Conax Florida Corporation, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-903-6543 has 3 cross-referenced part numbers: 3131-5 (Conax Florida Corporation), REDARC10660-1 (R.e. Darling Co., Inc.), 3131-5 (American Safety Flight Systems Inc).
There are 6 known substitutes for 4730-00-903-6543: 5935-00-071-7477, 5935-01-079-7322, 4920-01-136-4217 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3131-5: Surface Treatment: ANODIZE BODY; Material: ALUMINUM ALLOY BODY; Connection Type: INTERNAL QUICK DISCONNECT ALL ENDS; Style Designator: MALE COUPLING HALF. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-903-6543 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.