PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21220-1007-1Gear Operator,valve

Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace · NSN 4820-01-426-7801 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-426-7801 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-426-7801. Primary manufacturer part number: 21220-1007-1.
Features
  • Gear Operator,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
  • Features Provided: HANDWHEEL
  • 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
  • Power transmission and speed reduction
  • Rotary motion transfer
General Description

The Gear Operator,valve, cataloged under National Stock Number 4820-01-426-7801, 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-426-7801
Primary Part Number21220-1007-1
Item NameGear Operator,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerSargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Material Document and ClassificationASTM A582 ASSN STD SINGLE MATERIAL RESPONSE
Features ProvidedHANDWHEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5999-00-223-418521220 INTERCHANGEABLE
Cap,electrical
Raytheon Company Dba Raytheon
5935-00-243-2864 INTERCHANGEABLE
Adapter,connector
4720-00-288-9875 INTERCHANGEABLE
Hose,nonmetallic
3110-00-293-922810863050 INTERCHANGEABLE
Roller,bearing
U S Army Tank Automotive Command Amsta-Im-Mm
5905-00-392-012299744 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
Telemechanics Inc
5330-00-933-358811657684 INTERCHANGEABLE
Seal,plain Encased
U S Army Tank Automotive Command Amsta-Im-Mm
5940-01-115-8272300634AG INTERCHANGEABLE
Terminal Box
Haldex Brake Products Corporation
5330-01-287-29392-12-20 INTERCHANGEABLE
Gasket
Fulton Boiler Works Inc
5330-01-374-767521220 NON-ASBESTOS INTERCHANGEABLE
Packing,preformed
Industrial Technologies and Services Llc
4235-01-423-071121220 INTERCHANGEABLE
Sorbent,hazardous Material
Waste Solutions Corp
Cross-Reference Index
Part NumberManufacturer
21220-1007-1 PRIMARY Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21220 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
21220 FIND 7 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
5999-00-223-4185INTERCHANGEABLE
CAP,ELECTRICAL
21220
5935-00-243-2864INTERCHANGEABLE
ADAPTER,CONNECTOR
4720-00-288-9875INTERCHANGEABLE
HOSE,NONMETALLIC
3110-00-293-9228INTERCHANGEABLE
ROLLER,BEARING
10863050
5905-00-392-0122INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
99744
5330-00-933-3588INTERCHANGEABLE
SEAL,PLAIN ENCASED
11657684
5940-01-115-8272INTERCHANGEABLE
TERMINAL BOX
300634AG
5330-01-287-2939INTERCHANGEABLE
GASKET
2-12-20
5330-01-374-7675INTERCHANGEABLE
PACKING,PREFORMED
21220 NON-ASBESTOS
4235-01-423-0711INTERCHANGEABLE
SORBENT,HAZARDOUS MATERIAL
21220
3830-01-426-2414INTERCHANGEABLE
COVER,SHAFT
21346-1007-1
3040-01-428-3193INTERCHANGEABLE
SHAFT,SHOULDERED
21220-1008-1

Frequently Asked Questions

What is NSN 4820-01-426-7801?

NSN 4820-01-426-7801 is a Gear Operator,valve, 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 4820-01-426-7801?

NSN 4820-01-426-7801 has 3 cross-referenced part numbers: 21220-1007-1 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21220 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), 21220 FIND 7 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-426-7801?

There are 12 known substitutes for 4820-01-426-7801: 5999-00-223-4185, 5935-00-243-2864, 4720-00-288-9875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21220-1007-1?

Key specifications for 21220-1007-1: Material: STEEL CORROSION RESISTING; Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE; End Item Identification: SEAWOLF CLASS SSN; Features Provided: HANDWHEEL. 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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