PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21202-850-1Sleeve and Slide,directional Con

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-414-5578 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-414-5578 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-414-5578. Primary manufacturer part number: 21202-850-1.
Features
  • Sleeve and Slide,directional Con — FSC 4820
  • Slide Material: STEEL
  • Sleeve Material: STEEL
  • 4 verified cross-references
  • Primary manufacturer: Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Sleeve and Slide,directional Con, cataloged under National Stock Number 4820-01-414-5578, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 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.

Technical Specifications
ParameterValue
NSN4820-01-414-5578
Primary Part Number21202-850-1
Item NameSleeve and Slide,directional Con
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Slide MaterialSTEEL
Sleeve MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-012-0377 INTERCHANGEABLE
Nut,plain,hexagon
3110-00-198-05525518695 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5120-00-595-827421202 INTERCHANGEABLE
Clamp,c
Wilton Corp Wilton Tool Div
5310-00-732-0558 INTERCHANGEABLE
Nut,plain,hexagon
1610-00-790-8080 INTERCHANGEABLE
Nut,propellar Hub
6685-00-883-3731 INTERCHANGEABLE
Pyrometer,indicating
3010-01-095-4357 INTERCHANGEABLE
Cap Actuator
5950-01-171-1604 INTERCHANGEABLE
Transformer
4320-01-184-749021202 INTERCHANGEABLE
Shaft Bearing
Parker Hannifin Corporation Div Hydraulic Systems Division
3130-01-274-0424 INTERCHANGEABLE
Housing,bearing Unit
Cross-Reference Index
Part NumberManufacturer
21202 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21202-2 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21202-850-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21202 FIND 2 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5310-00-012-0377INTERCHANGEABLE
NUT,PLAIN,HEXAGON
3110-00-198-0552INTERCHANGEABLE
BEARING,BALL,ANNULAR
5518695
5120-00-595-8274INTERCHANGEABLE
CLAMP,C
21202
5310-00-732-0558INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1610-00-790-8080INTERCHANGEABLE
NUT,PROPELLAR HUB
6685-00-883-3731INTERCHANGEABLE
PYROMETER,INDICATING
3010-01-095-4357INTERCHANGEABLE
CAP ACTUATOR
5950-01-171-1604INTERCHANGEABLE
TRANSFORMER
4320-01-184-7490INTERCHANGEABLE
SHAFT BEARING
21202
3130-01-274-0424INTERCHANGEABLE
HOUSING,BEARING UNIT
3040-01-414-4104INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
21202-1000-1
4810-01-415-1007INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21202-001

Frequently Asked Questions

What is NSN 4820-01-414-5578?

NSN 4820-01-414-5578 is a Sleeve and Slide,directional Con, 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 4820-01-414-5578?

NSN 4820-01-414-5578 has 4 cross-referenced part numbers: 21202 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21202-2 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21202-850-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21202 FIND 2 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-414-5578?

There are 12 known substitutes for 4820-01-414-5578: 5310-00-012-0377, 3110-00-198-0552, 5120-00-595-8274 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21202-850-1?

Key specifications for 21202-850-1: Slide Material: STEEL; Sleeve Material: STEEL; Special Features: FOR SZ 2.000 IN. VALVE IN; End Item Identification: SEAWOLF CLASS SSN. 4 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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