The Seat,valve, cataloged under National Stock Number 4820-00-218-4447, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Circor Naval Solutions Llc Dba Warren Pumps. Government technical data includes 2 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-218-4447 |
| Primary Part Number | TC9 |
| Item Name | Seat,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Circor Naval Solutions Llc Dba Warren Pumps |
| Status | ACTIVE |
| Material | COPPER ALLOY OVERALL |
| Body Outside Diameter | 4.188 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| BS5-2010PC172 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| BS5-2008PC172 | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
| TC9 PRIMARY | Circor Naval Solutions Llc Dba Warren Pumps (USA) |
NSN 4820-00-218-4447 is a Seat,valve, manufactured by Circor Naval Solutions Llc Dba Warren Pumps, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-218-4447 has 3 cross-referenced part numbers: BS5-2010PC172 (Circor Naval Solutions Llc Dba Warren Pumps), BS5-2008PC172 (Circor Naval Solutions Llc Dba Warren Pumps), TC9 (Circor Naval Solutions Llc Dba Warren Pumps).
There are 2 known substitutes for 4820-00-218-4447: 5342-00-916-2729, 4920-00-940-0346. Verify interchangeability with system specifications before substitution.
Key specifications for TC9: Special Features: THREADED ID 0.562-12; Material: COPPER ALLOY OVERALL; Body Outside Diameter: 4.188 INCHES NOMINAL IN. 3 total characteristics are documented in the Federal Logistics Information System.