PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21820 FN 14Piston,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4810-01-480-8754 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-480-8754 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-480-8754. Primary manufacturer part number: 21820 FN 14.
Features
  • Piston,valve — FSC 4810
  • Valve Design Control Activity: 78602
  • Material: STEEL COMP 416
  • Valve Type for Which Designed: PLUG
  • Material Document and Classification: ASTM-A582 NATIONAL SPEC 2ND MATERIAL RESPONSE
  • 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 4810-01-480-8754, is classified within Federal Supply Class 4810 (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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-480-8754
Primary Part Number21820 FN 14
Item NamePiston,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Valve Design Control Activity78602
MaterialSTEEL COMP 416
Valve Type for Which DesignedPLUG
Material Document and ClassificationASTM-A582 NATIONAL SPEC 2ND MATERIAL RESPONSE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5977-00-006-6386 INTERCHANGEABLE
Brush,electrical Contact
5310-00-167-1355 INTERCHANGEABLE
Nut,plain,hexagon
4730-00-359-0431F3511 INTERCHANGEABLE
Connector,multiple,fluid Pressur
Federal Mogul Corp Sub Wagner Brake Moog Automotive Div
4810-01-544-3952 INTERCHANGEABLE
Valve,linear,directional Control
Cross-Reference Index
Part NumberManufacturer
21820 FN 14 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21820 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21820-1002-1 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5977-00-006-6386INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
5310-00-167-1355INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4730-00-359-0431INTERCHANGEABLE
CONNECTOR,MULTIPLE,FLUID PRESSUR
F3511
4810-01-544-3952INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL

Frequently Asked Questions

What is NSN 4810-01-480-8754?

NSN 4810-01-480-8754 is a Piston,valve, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-480-8754?

NSN 4810-01-480-8754 has 3 cross-referenced part numbers: 21820 FN 14 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21820 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21820-1002-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4810-01-480-8754?

There are 4 known substitutes for 4810-01-480-8754: 5977-00-006-6386, 5310-00-167-1355, 4730-00-359-0431 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21820 FN 14?

Key specifications for 21820 FN 14: Valve Design Control Activity: 78602; Special Features: VALVE HYD CNT; Material: STEEL COMP 416; Valve Type for Which Designed: PLUG. 5 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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