The Restrictor,fluid Flow, cataloged under National Stock Number 4730-00-496-0020, 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 Zenith Fuel Systems Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 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: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-496-0020 |
| Primary Part Number | C51-3-25 |
| Item Name | Restrictor,fluid Flow |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Zenith Fuel Systems Llc |
| Status | CANCELLED |
| Thread Size Designator | 5/16-24 LOCATION NOT OTHERWISE SPECIFIED |
| Orifice Diameter | 0.045 INCHES NOMINAL IN |
| Thread Class | 2A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Length | 2.000 INCHES NOMINAL IN |
| Thread Length | 0.219 INCHES NOMINAL LOCATION NOT OTHERWISE SPECIFIED IN |
| Thread Provision | THREADED LOCATION NOT OTHERWISE SPECIFIED |
| Outside Diameter | 0.152 INCHES NOMINAL IN |
| Design Type | TUBULAR |
| Material | COPPER ALLOY |
| Thread Series | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| C51-3-25 PRIMARY | Zenith Fuel Systems Llc (USA) |
| 7007703 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 15AC51-3-25 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
| 2A2498 PRIMARY | Napco International Llc Dba Napco International Inc (USA) |
| 6BL0783 PRIMARY | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
| 6BL073 PRIMARY | Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.) (USA) |
NSN 4730-00-496-0020 is a Restrictor,fluid Flow, manufactured by Zenith Fuel Systems Llc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-496-0020 has 6 cross-referenced part numbers: C51-3-25 (Zenith Fuel Systems Llc), 7007703 (U S Army Tank Automotive Command Amsta-Im-Mm), 15AC51-3-25 (Fwd Seagrave Holdings Lp), 2A2498 (Napco International Llc Dba Napco International Inc), 6BL0783 (Volvo Trucks North America, Inc. Dba (foreign Parent Is Volvo Lastvagnar Ab, Goteborg, Sweden.)) and 1 more.
There is 1 known substitute for 4730-00-496-0020: 5930-00-236-8042. Verify interchangeability with system specifications before substitution.
Key specifications for C51-3-25: Thread Size Designator: 5/16-24 LOCATION NOT OTHERWISE SPECIFIED; Orifice Diameter: 0.045 INCHES NOMINAL IN; Thread Class: 2A LOCATION NOT OTHERWISE SPECIFIED A; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED. 11 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-496-0020 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.