The Seat,valve, cataloged under National Stock Number 4820-01-118-4412, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-118-4412 |
| Primary Part Number | 1180902H |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Thread Quantity Per Inch | 16 SINGLE THREADED PORTION |
| Flange Seat to Disk End Height | 0.500 INCHES NOMINAL IN |
| Under Flange Height | 0.312 INCHES NOMINAL IN |
| Material | NICKEL ALLOY OVERALL |
| Thread Series Designator | UN SINGLE THREADED PORTION |
| Style Designator | THREADED FLANGED |
| Thread Length | 0.230 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Flange Diameter | 1.194 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Body Inside Diameter | 0.625 INCHES NOMINAL IN |
| Nominal Thread Size | 0.938 INCHES SINGLE THREADED PORTION IN |
| Seating Surface Shape | FLAT |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-118-4412 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-118-4412 has 2 cross-referenced part numbers: 1180902H (Griswold Industries Dba Cla-Val Co), 46206 (Griswold Industries Dba Cla-Val Co).
There are 6 known substitutes for 4820-01-118-4412: 5133-00-187-9191, 2520-00-441-6487, 6105-01-270-9740 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1180902H: Thread Quantity Per Inch: 16 SINGLE THREADED PORTION; Flange Seat to Disk End Height: 0.500 INCHES NOMINAL IN; Under Flange Height: 0.312 INCHES NOMINAL IN; Material: NICKEL ALLOY OVERALL. 12 total characteristics are documented in the Federal Logistics Information System.