PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3WB143Valve,treadle,foot

Oshkosh Defense Llc · NSN 4820-01-103-9034 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-103-9034 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-103-9034. Primary manufacturer part number: 3WB143.
Features
  • Valve,treadle,foot — FSC 4820
  • General Characteristics Item Description: DIE CAST ZINC ALLOY BODY; BRACKET TO FLOOR MTG; 1/4-18 NPTF THREADED PORT; 200 PSI OPERATING PRESSURE; MINUS 20 DEG F TO 200 DEG F OPERATING TEMP; FIBER REINFORCED RUBBER TREADLE COVER; 8.500 IN. HEIGHT OF TREADLE IN
  • 3 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,treadle,foot, cataloged under National Stock Number 4820-01-103-9034, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Oshkosh Defense Llc. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-103-9034
Primary Part Number3WB143
Item NameValve,treadle,foot
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
General Characteristics Item DescriptionDIE CAST ZINC ALLOY BODY; BRACKET TO FLOOR MTG; 1/4-18 NPTF THREADED PORT; 200 PSI OPERATING PRESSURE; MINUS 20 DEG F TO 200 DEG F OPERATING TEMP; FIBER REINFORCED RUBBER TREADLE COVER; 8.500 IN. HEIGHT OF TREADLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
5307-00-010-3217103217 INTERCHANGEABLE
Stud,plain
Chrysler Realty Company Llc Dba Daimler Chrysler
5210-00-221-1945436.1RL-3 INTERCHANGEABLE
Caliper,micrometer,outside
L.s. Starrett Company (the) Div Tool Division
3010-00-971-5662103217 INTERCHANGEABLE
Gearcase-Motor
L3harris Technologies, Inc Div Space & Airborne Systems
5962-01-108-1966 INTERCHANGEABLE
Microcircuit,digital
5895-01-114-1570103217 INTERCHANGEABLE
Preamplifier Module
Aimtron Systems, Llc
4820-01-434-6637103217 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
3WB143 Oshkosh Defense Llc (USA)
103217 Williams Controls Inc (USA)
3WB143 Oshkosh Corp (USA)
Related Parts
5307-00-010-3217INTERCHANGEABLE
STUD,PLAIN
103217
5210-00-221-1945INTERCHANGEABLE
CALIPER,MICROMETER,OUTSIDE
436.1RL-3
3010-00-971-5662INTERCHANGEABLE
GEARCASE-MOTOR
103217
5962-01-108-1966INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5895-01-114-1570INTERCHANGEABLE
PREAMPLIFIER MODULE
103217
4820-01-434-6637INTERCHANGEABLE
SEAT,VALVE
103217

Frequently Asked Questions

What is NSN 4820-01-103-9034?

NSN 4820-01-103-9034 is a Valve,treadle,foot, manufactured by Oshkosh Defense Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-103-9034?

NSN 4820-01-103-9034 has 3 cross-referenced part numbers: 3WB143 (Oshkosh Defense Llc), 103217 (Williams Controls Inc), 3WB143 (Oshkosh Corp).

What NSN replaces 4820-01-103-9034?

There are 6 known substitutes for 4820-01-103-9034: 5307-00-010-3217, 5210-00-221-1945, 3010-00-971-5662 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3WB143?

Key specifications for 3WB143: General Characteristics Item Description: DIE CAST ZINC ALLOY BODY; BRACKET TO FLOOR MTG; 1/4-18 NPTF THREADED PORT; 200 PSI OPERATING PRESSURE; MINUS 20 DEG F TO 200 DEG F OPERATING TEMP; FIBER REINFORCED RUBBER TREADLE COVER; 8.500 IN. HEIGHT OF TREADLE IN. 1 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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