PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

211705Seat,valve

Hydro-Aire Aerospace Corp · NSN 4810-00-343-5282 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-00-343-5282 — this item is cataloged by the U.S. Government under National Stock Number 4810-00-343-5282. Primary manufacturer part number: 211705.
Features
  • Seat,valve — FSC 4810
  • FSC Application Data: VALVE,LINEAR,DIRECTIONAL,HYDRAULIC SYSTEM,AIRCRAFT
  • 1 verified cross-reference
  • Primary manufacturer: Hydro-Aire Aerospace Corp
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Seat,valve, cataloged under National Stock Number 4810-00-343-5282, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hydro-Aire Aerospace Corp. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference 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.

Technical Specifications
ParameterValue
NSN4810-00-343-5282
Primary Part Number211705
Item NameSeat,valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerHydro-Aire Aerospace Corp
StatusACTIVE
FSC Application DataVALVE,LINEAR,DIRECTIONAL,HYDRAULIC SYSTEM,AIRCRAFT
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
4820-00-969-1931211705 INTERCHANGEABLE
Poppet,reception
Products Support, Llc Dba Vitesse Systems - Jessup, Md
4820-01-418-004921170-850-1 INTERCHANGEABLE
Sleeve and Slide,directional Con
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
211705 PRIMARY Hydro-Aire Aerospace Corp (USA)
Related Parts
4820-00-969-1931INTERCHANGEABLE
POPPET,RECEPTION
211705
4820-01-418-0049INTERCHANGEABLE
SLEEVE AND SLIDE,DIRECTIONAL CON
21170-850-1

Frequently Asked Questions

What is NSN 4810-00-343-5282?

NSN 4810-00-343-5282 is a Seat,valve, manufactured by Hydro-Aire Aerospace Corp, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-00-343-5282?

NSN 4810-00-343-5282 has 1 cross-referenced part number: 211705 (Hydro-Aire Aerospace Corp).

What NSN replaces 4810-00-343-5282?

There are 2 known substitutes for 4810-00-343-5282: 4820-00-969-1931, 4820-01-418-0049. Verify interchangeability with system specifications before substitution.

What are the specifications of 211705?

Key specifications for 211705: FSC Application Data: VALVE,LINEAR,DIRECTIONAL,HYDRAULIC SYSTEM,AIRCRAFT. 1 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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