PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3642-3Valve,gate

Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division · NSN 4820-01-090-4154 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-090-4154 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-090-4154. Primary manufacturer part number: 3642-3.
Features
  • Valve,gate — FSC 4820
  • Furnished Items and Quantity: 1 HANDWHEEL
  • Reference Number Differentiating Characteristics: SELECTED TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
  • Material: STEEL CORROSION RESISTING STEM
  • Material: STEEL CORROSION RESISTING BODY
  • Face to Face Distance: 11.500 INCHES IN
  • Bolt Hole Quantity: 8
  • Inlet Relationship with Outlet: IDENTICAL
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Stem construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-090-4154, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-090-4154
Primary Part Number3642-3
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Us, Inc. Dba Automax Actuators Div Flow Control Division
StatusACTIVE
Furnished Items and Quantity1 HANDWHEEL
Reference Number Differentiating CharacteristicsSELECTED TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION
MaterialSTEEL CORROSION RESISTING STEM
MaterialSTEEL CORROSION RESISTING BODY
Face to Face Distance11.500 INCHES IN
Bolt Hole Quantity8
Inlet Relationship with OutletIDENTICAL
Flange Diameter13.500 INCHES IN
Valve Operation MethodMANUAL
Flange Face DesignPLAIN
Connection TypeFLANGE, ROUND W/HOLES
Valve Size8.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2530-00-420-8606758807 INTERCHANGEABLE
Brake Shoe Assembly
Fwd Seagrave Holdings Lp
6160-00-468-777890361-6204-925947ALT7PC1 INTERCHANGEABLE
Jar,battery
Naval Ship Systems Command
6210-01-118-973710HN1R1V13INST #1,POWER ON INTERCHANGEABLE
Lens,light
Safran Electronics & Defense, Avionics Usa, Llc
4820-01-154-805904115179 INTERCHANGEABLE
Seat,valve
Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division
4820-01-156-48623462-3 PART 2 INTERCHANGEABLE
Cap,valve
Flowserve Corporation Div Flowserve Us Inc
4820-01-156-71803462-3 PART 55A INTERCHANGEABLE
Indicator Plate,valve
Flowserve Corporation Div Flowserve Us Inc
4520-01-351-399034623 INTERCHANGEABLE
Heating Element,electrical,nonim
Indeeco Llc Dba Indeeco
7520-01-351-9146421248 INTERCHANGEABLE
Marker,tube Type
Visual Systems Co Inc
3020-01-450-126136423 INTERCHANGEABLE
Gear,spur
Moog Inc. Dba Ampac-Isp Corp
5325-01-686-346412528858 INTERCHANGEABLE
Grommet,nonmetallic
U S Army Tank Automotive Command Amsta-Im-Mm
Cross-Reference Index
Part NumberManufacturer
3642-3 Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division (USA)
516-5952166TR Flowserve Corporation Div Flowserve Us Inc (USA)
3462-3 Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA)
Related Parts
2530-00-420-8606INTERCHANGEABLE
BRAKE SHOE ASSEMBLY
758807
6160-00-468-7778INTERCHANGEABLE
JAR,BATTERY
90361-6204-925947ALT7PC1
6210-01-118-9737INTERCHANGEABLE
LENS,LIGHT
10HN1R1V13INST #1,POWER ON
4820-01-154-8059INTERCHANGEABLE
SEAT,VALVE
04115179
4820-01-156-4862INTERCHANGEABLE
CAP,VALVE
3462-3 PART 2
4820-01-156-7180INTERCHANGEABLE
INDICATOR PLATE,VALVE
3462-3 PART 55A
4520-01-351-3990INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
34623
7520-01-351-9146INTERCHANGEABLE
MARKER,TUBE TYPE
421248
3020-01-450-1261INTERCHANGEABLE
GEAR,SPUR
36423
5325-01-686-3464INTERCHANGEABLE
GROMMET,NONMETALLIC
12528858

Frequently Asked Questions

What is NSN 4820-01-090-4154?

NSN 4820-01-090-4154 is a Valve,gate, manufactured by Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-090-4154?

NSN 4820-01-090-4154 has 3 cross-referenced part numbers: 3642-3 (Flowserve Us, Inc. Dba Automax Actuators Div Flow Control Division), 516-5952166TR (Flowserve Corporation Div Flowserve Us Inc), 3462-3 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace).

What NSN replaces 4820-01-090-4154?

There are 10 known substitutes for 4820-01-090-4154: 2530-00-420-8606, 6160-00-468-7778, 6210-01-118-9737 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3642-3?

Key specifications for 3642-3: Furnished Items and Quantity: 1 HANDWHEEL; Reference Number Differentiating Characteristics: SELECTED TESTED AND CERTIFIED FOR TRIDENT SUBMARINE APPLICATION; Material: STEEL CORROSION RESISTING STEM; Material: STEEL CORROSION RESISTING BODY. 12 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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