The Seat,valve, cataloged under National Stock Number 4820-00-115-2454, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Griswold Industries Dba Cla-Val Co. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-115-2454 |
| Primary Part Number | 37740J |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Thread Class | 2B SINGLE THREADED PORTION |
| Nominal Thread Size | 5.750 INCHES SINGLE THREADED PORTION IN |
| Under Flange Height | 0.860 INCHES NOMINAL IN |
| Thread Series Designator | UNF SINGLE THREADED PORTION |
| Seat Angle in Deg | 5.000 NOMINAL |
| Material | NICKEL ALLOY OVERALL |
| Flange Seat to Disk End Height | 0.438 INCHES NOMINAL IN |
| Body Inside Diameter | 0.749 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Seating Surface Shape | ANGULAR |
| Style Designator | THREADED FLANGED |
| Flange Diameter | 6.160 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-115-2454 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-115-2454 has 2 cross-referenced part numbers: 37740J (Griswold Industries Dba Cla-Val Co), 37740 (Griswold Industries Dba Cla-Val Co).
There are 5 known substitutes for 4820-00-115-2454: 3455-00-236-0787, 5340-00-615-6762, 5340-00-680-4557 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 37740J: Thread Class: 2B SINGLE THREADED PORTION; Nominal Thread Size: 5.750 INCHES SINGLE THREADED PORTION IN; Under Flange Height: 0.860 INCHES NOMINAL IN; Thread Series Designator: UNF SINGLE THREADED PORTION. 12 total characteristics are documented in the Federal Logistics Information System.