PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21199-1001-1Piston,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-417-9411 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-417-9411 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-417-9411. Primary manufacturer part number: 21199-1001-1.
Features
  • Piston,valve — FSC 4820
  • Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
  • Valve Design Control Activity: 78062
  • Material: STEEL COMP 416
  • Valve Type for Which Designed: DIRECTIONAL CONTROL LINEAR
  • 3 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Comp 416 construction
General Description

The Piston,valve, cataloged under National Stock Number 4820-01-417-9411, 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 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. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-417-9411
Primary Part Number21199-1001-1
Item NamePiston,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Material Document and ClassificationASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE
Valve Design Control Activity78062
MaterialSTEEL COMP 416
Valve Type for Which DesignedDIRECTIONAL CONTROL LINEAR
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5310-00-109-804221199 INTERCHANGEABLE
Nut,plain,hexagon
Dresser, Llc
6145-00-542-6092 INTERCHANGEABLE
Cable,radio Frequency
5905-01-109-913321199 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
Electro Scientific Industries Inc
4820-01-369-204621199 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Kold-Ban International Ltd Div Kbi
4820-01-419-254421199-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
3040-01-434-514221199 INTERCHANGEABLE
Shaft,shouldered
Parker Hannifin Corporation Div Hydraulic Systems Division
6530-01-533-5818 INTERCHANGEABLE
Chest Roll
6105-01-626-9193 INTERCHANGEABLE
Winding,motor Field
Cross-Reference Index
Part NumberManufacturer
21199-7 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21199-1001-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21199 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5310-00-109-8042INTERCHANGEABLE
NUT,PLAIN,HEXAGON
21199
6145-00-542-6092INTERCHANGEABLE
CABLE,RADIO FREQUENCY
5905-01-109-9133INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
21199
4820-01-369-2046INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
21199
4820-01-419-2544INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21199-001
3040-01-434-5142INTERCHANGEABLE
SHAFT,SHOULDERED
21199
6530-01-533-5818INTERCHANGEABLE
CHEST ROLL
6105-01-626-9193INTERCHANGEABLE
WINDING,MOTOR FIELD

Frequently Asked Questions

What is NSN 4820-01-417-9411?

NSN 4820-01-417-9411 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.

What are the part numbers for NSN 4820-01-417-9411?

NSN 4820-01-417-9411 has 3 cross-referenced part numbers: 21199-7 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21199-1001-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21199 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-417-9411?

There are 8 known substitutes for 4820-01-417-9411: 5310-00-109-8042, 6145-00-542-6092, 5905-01-109-9133 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21199-1001-1?

Key specifications for 21199-1001-1: Material Document and Classification: ASTM-A582 ASSN STD SINGLE MATERIAL RESPONSE; Valve Design Control Activity: 78062; End Item Identification: SEAWOLF CLASS SSN; Material: STEEL COMP 416. 6 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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