The Seat,valve, cataloged under National Stock Number 4820-01-215-8757, 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 11 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-215-8757 |
| Primary Part Number | 248-03 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc |
| Status | ACTIVE |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Nominal Thread Size | 1.500 INCHES SINGLE THREADED PORTION IN |
| Thread Series Designator | UNEF SINGLE THREADED PORTION |
| Material | STEEL CORROSION RESISTING OVERALL |
| Style Designator | THREADED FLANGED |
| Flange Seat to Disk End Height | 0.375 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Under Flange Height | 0.250 INCHES NOMINAL IN |
| Body Inside Diameter | 1.062 INCHES NOMINAL IN |
| Thread Length | 0.172 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Flange Diameter | 1.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 40063-4 ITEM 22 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 248-03 PRIMARY | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
| 40063-4 | Trac Regulator Co., Inc. Dba Trac Regulator Co Inc (USA) |
NSN 4820-01-215-8757 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 4820-01-215-8757 has 3 cross-referenced part numbers: 40063-4 ITEM 22 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 248-03 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc), 40063-4 (Trac Regulator Co., Inc. Dba Trac Regulator Co Inc).
There are 12 known substitutes for 4820-01-215-8757: 5365-00-490-2655, 6145-00-925-9812, 3030-00-943-1031 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 248-03: Thread Class: 2A SINGLE THREADED PORTION A; Nominal Thread Size: 1.500 INCHES SINGLE THREADED PORTION IN; Thread Series Designator: UNEF SINGLE THREADED PORTION; Material: STEEL CORROSION RESISTING OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.