PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21141-850-1Sleeve and Slide,directional Con

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-418-7602 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-418-7602 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-418-7602. Primary manufacturer part number: 21141-850-1.
Features
  • Sleeve and Slide,directional Con — FSC 4820
  • Sleeve Material: STEEL
  • Slide Material: STEEL
  • Valve Design Control Activity: 78062
  • 3 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 4820-01-418-7602, 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 3 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
NSN4820-01-418-7602
Primary Part Number21141-850-1
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
Sleeve MaterialSTEEL
Slide MaterialSTEEL
Valve Design Control Activity78062
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5920-00-142-4837042-01 INTERCHANGEABLE
Fuse,cartridge
Lockheed Martin Corporation Div Rms - Mitchel Field
8030-00-262-9171 INTERCHANGEABLE
Filler,wood
5340-00-350-4890 INTERCHANGEABLE
Spring
5977-00-789-84084995383 INTERCHANGEABLE
Holder,electrical Contact Brush
Kalmar AC Inc
5910-01-050-4222 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
4720-01-116-405421141 INTERCHANGEABLE
Hose,preformed
Gates Corporation
7530-01-418-168728888 INTERCHANGEABLE
Book,appointment
Franklin Planner Corporation
3040-01-420-194221141-1001-1 INTERCHANGEABLE
Shaft,shouldered
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21141 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21141-850-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21141 FIND 2 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5920-00-142-4837INTERCHANGEABLE
FUSE,CARTRIDGE
042-01
8030-00-262-9171INTERCHANGEABLE
FILLER,WOOD
5340-00-350-4890INTERCHANGEABLE
SPRING
5977-00-789-8408INTERCHANGEABLE
HOLDER,ELECTRICAL CONTACT BRUSH
4995383
5910-01-050-4222INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
4720-01-116-4054INTERCHANGEABLE
HOSE,PREFORMED
21141
7530-01-418-1687INTERCHANGEABLE
BOOK,APPOINTMENT
28888
3040-01-420-1942INTERCHANGEABLE
SHAFT,SHOULDERED
21141-1001-1

Frequently Asked Questions

What is NSN 4820-01-418-7602?

NSN 4820-01-418-7602 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 4820-01-418-7602?

NSN 4820-01-418-7602 has 3 cross-referenced part numbers: 21141 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21141-850-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21141 FIND 2 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-418-7602?

There are 8 known substitutes for 4820-01-418-7602: 5920-00-142-4837, 8030-00-262-9171, 5340-00-350-4890 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21141-850-1?

Key specifications for 21141-850-1: Sleeve Material: STEEL; Slide Material: STEEL; Valve Design Control Activity: 78062; Special Features: NITRIDING STEEL, MIL-S-6709; MATCHED SET; FOR DIRECTIONAL CONTROL VALVE SZ 1. 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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