PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21321-850-1Sleeve,slide

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-706-0277 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-706-0277 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-706-0277. Primary manufacturer part number: 21321-850-1.
Features
  • Sleeve,slide — FSC 4820
  • 2 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,slide, cataloged under National Stock Number 4820-01-706-0277, 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. This item has 2 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
NSN4820-01-706-0277
Primary Part Number21321-850-1
Item NameSleeve,slide
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5935-00-018-3472124-0116-001 INTERCHANGEABLE
Socket,plug-in Electronic Compon
Viking Technologies, Ltd.
5925-00-072-6934 INTERCHANGEABLE
Circuit Breaker
9540-00-261-5107 INTERCHANGEABLE
Angle,structural
5120-00-473-64765120-00-473-6476 INTERCHANGEABLE
Wrench,adjustable
General Services Administration Federal Supply Service
9540-00-540-5942 INTERCHANGEABLE
Angle,structural
9540-00-596-3012 INTERCHANGEABLE
Angle,structural
4820-01-410-801221321-001 INTERCHANGEABLE
Valve,linear,directional Control
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5340-01-723-823221321-1007-1 INTERCHANGEABLE
Connecting Link,rigid
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5340-01-723-890021321-1006-1 INTERCHANGEABLE
Holder,roller
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
5340-01-723-894121321-1004-1 INTERCHANGEABLE
Retainer,helical Compression Spr
Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
Cross-Reference Index
Part NumberManufacturer
21321 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21321-850-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5935-00-018-3472INTERCHANGEABLE
SOCKET,PLUG-IN ELECTRONIC COMPON
124-0116-001
5925-00-072-6934INTERCHANGEABLE
CIRCUIT BREAKER
9540-00-261-5107INTERCHANGEABLE
ANGLE,STRUCTURAL
5120-00-473-6476INTERCHANGEABLE
WRENCH,ADJUSTABLE
5120-00-473-6476
9540-00-540-5942INTERCHANGEABLE
ANGLE,STRUCTURAL
9540-00-596-3012INTERCHANGEABLE
ANGLE,STRUCTURAL
4820-01-410-8012INTERCHANGEABLE
VALVE,LINEAR,DIRECTIONAL CONTROL
21321-001
5340-01-723-8232INTERCHANGEABLE
CONNECTING LINK,RIGID
21321-1007-1
5340-01-723-8900INTERCHANGEABLE
HOLDER,ROLLER
21321-1006-1
5340-01-723-8941INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
21321-1004-1
3040-01-723-8965INTERCHANGEABLE
SHAFT,STRAIGHT
21321-1001-1
5340-01-723-8972INTERCHANGEABLE
STOP,MECHANICAL
21321-1016-1

Frequently Asked Questions

What is NSN 4820-01-706-0277?

NSN 4820-01-706-0277 is a Sleeve,slide, 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 4820-01-706-0277?

NSN 4820-01-706-0277 has 2 cross-referenced part numbers: 21321 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21321-850-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-706-0277?

There are 12 known substitutes for 4820-01-706-0277: 5935-00-018-3472, 5925-00-072-6934, 9540-00-261-5107 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21321-850-1?

Key specifications for 21321-850-1: Special Features: MARKED WITH SN AT SAME END TO AVOID IMPROPER ASSEMBLY; Part Name Assigned by Controlling Agency: SLIDE/SLEEVE MATCHED SET; End Item Identification: VALVE ASSEMBLY DECELERATION. 3 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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