The Seat,valve, cataloged under National Stock Number 4820-00-008-9934, 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 1 commercial cross-reference 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 | 4820-00-008-9934 |
| Primary Part Number | 39580 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Thread Length | 0.221 INCHES NOMINAL SINGLE THREADED PORTION IN |
| Seating Surface Shape | ANGULAR |
| Thread Series Designator | UNF SINGLE THREADED PORTION |
| Flange Seat to Disk End Height | 0.219 INCHES NOMINAL IN |
| Thread Class | 2A SINGLE THREADED PORTION A |
| Under Flange Height | 0.221 INCHES NOMINAL IN |
| Seat Angle in Deg | 0.083 NOMINAL |
| Body Inside Diameter | 1.510 INCHES MINIMUM AND 1.515 INCHES MAXIMUM IN |
| Flange Diameter | 1.940 INCHES NOMINAL IN |
| Style Designator | THREADED FLANGED |
| Material | COPPER OVERALL |
| Nominal Thread Size | 1.375 INCHES SINGLE THREADED PORTION IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 39580 PRIMARY | Griswold Industries Dba Cla-Val Co (USA) |
NSN 4820-00-008-9934 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-008-9934 has 1 cross-referenced part number: 39580 (Griswold Industries Dba Cla-Val Co).
There are 5 known substitutes for 4820-00-008-9934: 3110-00-277-0105, 3110-00-452-8232, 5950-00-780-8725 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 39580: Thread Length: 0.221 INCHES NOMINAL SINGLE THREADED PORTION IN; Seating Surface Shape: ANGULAR; Thread Series Designator: UNF SINGLE THREADED PORTION; Flange Seat to Disk End Height: 0.219 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.