The Seat,valve, cataloged under National Stock Number 4820-00-073-0510, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-073-0510 |
| Primary Part Number | 694-00 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Flange Seat to Disk End Height | 0.250 INCHES NOMINAL IN |
| Style Designator | THREADED FLANGED |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Under Flange Height | 0.625 INCHES NOMINAL IN |
| Thread Length | 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Seating Surface Shape | FLAT |
| Body Inside Diameter | 2.998 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| Seal Accommodation Type | GROOVED |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Nominal Thread Size | 3.500 INCHES SINGLE THREADED PORTION IN |
| Material | NICKEL ALLOY OVERALL |
| Flange Diameter | 4.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-073-0510 is a Seat,valve, manufactured by Trac Regulator Co., Inc. Dba Trac Regulator Co Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-073-0510 has 3 cross-referenced part numbers: 694-00 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 2959 (Lawler Manufacturing Company, Inc.), 694 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 12 known substitutes for 4820-00-073-0510: 6625-00-005-7085, 5120-00-032-9458, 5935-00-070-3589 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 694-00: Flange Seat to Disk End Height: 0.250 INCHES NOMINAL IN; Style Designator: THREADED FLANGED; Thread Class: 2A SINGLE THREADED PORTION A; Under Flange Height: 0.625 INCHES NOMINAL IN. 13 total characteristics are documented in the Federal Logistics Information System.