The Coupling Half,quick Disconnect, cataloged under National Stock Number 4730-00-909-7481, 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 Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 6 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-909-7481 |
| Primary Part Number | 331C163H17 |
| Item Name | Coupling Half,quick Disconnect |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | CANCELLED |
| Surface Treatment | NICKEL BODY |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Connection Style | PLAIN ALL ENDS |
| Connection Type | THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION |
| Leg Length | 0.750 INCHES NOMINAL IN |
| Quick Disconnect Method | PUSH-PULL ALL ENDS |
| Connection Type | EXTERNAL QUICK DISCONNECT FIRST QUICK DISCONNECT END |
| Features Provided | SELF-SEALING |
| Thread Series Designator | NPT ALL ENDS |
| Material Document and Classification | QQ-B-626 FED SPEC SINGLE MATERIAL RESPONSE BODY |
| Style Designator | MALE COUPLING HALF |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Material | COPPER ALLOY BODY |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BVHN8M | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| 4645 | L and S Industries Inc |
| 15599239 | General Motors Corp Chevrolet Motor Div Special Products Dept (USA) |
| 331C163H17 | Westinghouse Electric Corp (USA) |
| BVHN8-8M | Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division (USA) |
| 331C163H17 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| B-84 | Tuthill Corp Hansen Coupling Div (USA) |
NSN 4730-00-909-7481 is a Coupling Half,quick Disconnect, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-909-7481 has 7 cross-referenced part numbers: BVHN8M (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division), 4645 (L and S Industries Inc), 15599239 (General Motors Corp Chevrolet Motor Div Special Products Dept), 331C163H17 (Westinghouse Electric Corp), BVHN8-8M (Parker-Hannifin Corporation Dba Pneutronics Div Quick Coupler Division) and 2 more.
There are 12 known substitutes for 4730-00-909-7481: 6625-00-103-0417, 3030-00-160-8303, 6105-00-215-0019 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 331C163H17: Surface Treatment: NICKEL BODY; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Connection Style: PLAIN ALL ENDS; Connection Type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION. 14 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-909-7481 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.