The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-01-346-8763, 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 Dover Resources Inc Dba Opw Engineered Systems. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-346-8763 |
| Primary Part Number | 733E-SS40 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Dover Resources Inc Dba Opw Engineered Systems |
| Status | ACTIVE |
| Connection Style | BARBED OR SERRATED END ALL ENDS |
| Nominal Inside Diameter Hose Accommodated | 4.000 INCHES ALL ENDS IN |
| Connection Type | UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION |
| Connection Type | EXTERNAL QUICK DISCONNECT ALL ENDS |
| Material Document and Classification | ASTM A276 ASSN STD SINGLE MATERIAL RESPONSE BODY |
| Leg Length | 4.250 INCHES NOMINAL IN |
| Features Provided | SELF-SEALING |
| Style Designator | MALE COUPLING HALF |
| Quick Disconnect Method | CAM-LOCKING ALL ENDS |
| Material | STEEL BODY |
| Quick Disconnect Nominal Size | 4.000 INCHES ALL ENDS IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 633E4-SS | Opw Fueling Components Inc. Div Opw Fueling Components (USA) |
| 40ESS | Ever Tite Coupling Co Inc (USA) |
| 1238021 | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 633E4-SS | Dover Resources Inc Dba Opw Engineered Systems (USA) |
| 633E-4SST | Opw Fueling Components Inc. Div Opw Fueling Components (USA) |
| 633E-4SST | Dover Fluid Management, Inc. Div Dover Resources Inc. (USA) |
| 633E-4SST | Dover Resources Inc Dba Opw Engineered Systems (USA) |
| 733E-SS40 PRIMARY | Dover Resources Inc Dba Opw Engineered Systems (USA) |
NSN 4730-01-346-8763 is a Coupling Half,quick Disconnect, manufactured by Dover Resources Inc Dba Opw Engineered Systems, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-346-8763 has 8 cross-referenced part numbers: 633E4-SS (Opw Fueling Components Inc. Div Opw Fueling Components), 40ESS (Ever Tite Coupling Co Inc), 1238021 (U S Army Tank Automotive Command Amsta-Im-Mm), 633E4-SS (Dover Resources Inc Dba Opw Engineered Systems), 633E-4SST (Opw Fueling Components Inc. Div Opw Fueling Components) and 3 more.
There is 1 known substitute for 4730-01-346-8763: 5355-01-061-3013. Verify interchangeability with system specifications before substitution.
Key specifications for 733E-SS40: Connection Style: BARBED OR SERRATED END ALL ENDS; Nominal Inside Diameter Hose Accommodated: 4.000 INCHES ALL ENDS IN; Connection Type: UNTHREADED EXTERNAL HOSE FIRST FLUID END CONNECTION; Connection Type: EXTERNAL QUICK DISCONNECT ALL ENDS. 11 total characteristics are documented in the Federal Logistics Information System.