The Seat,valve, cataloged under National Stock Number 4820-01-143-5301, 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 4 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. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-143-5301 |
| Primary Part Number | 84137K |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Griswold Industries Dba Cla-Val Co |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| Body Outside Diameter | 3.293 INCHES NOMINAL IN |
| Seating Surface Shape | FLAT |
| Thread Quantity Per Inch | 14 SINGLE THREADED PORTION |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-143-5301 is a Seat,valve, manufactured by Griswold Industries Dba Cla-Val Co, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-143-5301 has 3 cross-referenced part numbers: 79675 (Griswold Industries Dba Cla-Val Co), 84137 (Griswold Industries Dba Cla-Val Co), 84137K (Griswold Industries Dba Cla-Val Co).
There are 7 known substitutes for 4820-01-143-5301: 5340-00-656-2541, 5935-00-701-2215, 4810-01-138-8937 and 4 more. Verify interchangeability with system specifications before substitution.
Key specifications for 84137K: Material: COPPER ALLOY OVERALL; Overall Height: 1.778 INCHES NOMINAL IN; Body Outside Diameter: 3.293 INCHES NOMINAL IN; Seating Surface Shape: FLAT. 5 total characteristics are documented in the Federal Logistics Information System.