The Piston,valve, cataloged under National Stock Number 4820-01-419-2621, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 5 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-419-2621 |
| Primary Part Number | 21200-1001-1 |
| Item Name | Piston,valve |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Valve Type for Which Designed | DIRECTIONAL CONTROL LINEAR |
| Valve Design Control Activity | 78062 |
| Valve Size for Which Designed | 2.000 INCHES IN |
| Valve Model Number for Which Designed | 21200 |
| Material | STEEL COMP 416 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21200-1001-1 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 21200-7 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| 21200 | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
NSN 4820-01-419-2621 is a Piston,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-419-2621 has 3 cross-referenced part numbers: 21200-1001-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21200-7 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21200 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).
There are 12 known substitutes for 4820-01-419-2621: 5935-00-135-2085, 6685-00-245-7696, 5305-00-335-3788 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21200-1001-1: End Item Identification: SEAWOLF CLASS SSN; Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR; Valve Design Control Activity: 78062; Valve Size for Which Designed: 2.000 INCHES IN. 6 total characteristics are documented in the Federal Logistics Information System.