The Seat,valve, cataloged under National Stock Number 4820-01-448-7718, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Trac Regulator Co., Inc. Dba Trac Regulator Co Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4820-01-448-7718 |
| Primary Part Number | 730-04 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | CANCELLED |
| Flange Diameter | 1.875 INCHES NOMINAL IN |
| Thread Series Designator | UNS SINGLE THREADED PORTION |
| Style Designator | THREADED FLANGED |
| Material | NICKEL ALLOY SEAT |
| Thread Length | 0.312 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Body Inside Diameter | 1.300 INCHES NOMINAL IN |
| Nominal Thread Size | 1.625 INCHES SINGLE THREADED PORTION IN |
| Seating Surface Shape | FLAT |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40400-2 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 730-04 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40400-2 FIND NO 25 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-448-7718 is a Seat,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: cancelled.
NSN 4820-01-448-7718 has 3 cross-referenced part numbers: 40400-2 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 730-04 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40400-2 FIND NO 25 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 10 known substitutes for 4820-01-448-7718: 3030-00-213-0675, 5330-00-433-9557, 6640-00-477-6723 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for 730-04: End Item Identification: VALVES AND ACTUATORS; Flange Diameter: 1.875 INCHES NOMINAL IN; Thread Series Designator: UNS SINGLE THREADED PORTION; Style Designator: THREADED FLANGED. 10 total characteristics are documented in the Federal Logistics Information System.
NSN 4820-01-448-7718 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.