PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3WB121Parts Kit,valve

Oshkosh Defense Llc · NSN 4820-00-357-5002 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-357-5002 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-357-5002. Primary manufacturer part number: 3WB121.
Features
  • Parts Kit,valve — FSC 4820
  • End Item Name: DUAL BRAKE CONTROL VALVE
  • End Item Source: 11331
  • Nonsupply Items and Quantities: O-RINGS 7;STEM 1;POPPET 1;DISK 1;SERVICE BULLETIN 1
  • Component Quantity: 11
  • 3 verified cross-references
  • Primary manufacturer: Oshkosh Defense Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Parts Kit,valve, cataloged under National Stock Number 4820-00-357-5002, 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 4 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-357-5002
Primary Part Number3WB121
Item NameParts Kit,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerOshkosh Defense Llc
StatusACTIVE
End Item NameDUAL BRAKE CONTROL VALVE
End Item Source11331
Nonsupply Items and QuantitiesO-RINGS 7;STEM 1;POPPET 1;DISK 1;SERVICE BULLETIN 1
Component Quantity11
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5305-00-021-7056179887 INTERCHANGEABLE
Screw,cap,hexagon Head
Hatch & Kirk, Inc.
6150-00-201-95836002610-2 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Naval Facilities Engineering Command
5910-00-450-8525 INTERCHANGEABLE
Capacitor,fixed,electrolytic
5940-00-853-01009072397 INTERCHANGEABLE
Terminal,stud
Us Army Aviation and Missile Command
5365-00-857-530610016-1 INTERCHANGEABLE
Spacer,display Unit
L3harris Interstate Electronics Corporation
5320-01-513-6081HST112AG6-11 INTERCHANGEABLE
Pin-Rivet
Hi-Shear Corporation
5320-01-513-6085HST112AG6-10 INTERCHANGEABLE
Pin-Rivet
Hi-Shear Corporation
5320-01-513-6087HST112AG6-9 INTERCHANGEABLE
Pin-Rivet
Hi-Shear Corporation
5320-01-568-4218100-161-5-9 INTERCHANGEABLE
Pin-Rivet,threaded,
Sps Technologies, Llc Dba PB Fasteners
5320-01-583-4234100-161-8-10 INTERCHANGEABLE
Pin-Rivet
Bell Textron Inc
Cross-Reference Index
Part NumberManufacturer
3WB121 Oshkosh Defense Llc (USA)
3WB121 Oshkosh Corp (USA)
100161 Williams Controls Inc (USA)
Related Parts
5305-00-021-7056INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
179887
6150-00-201-9583INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
6002610-2
5910-00-450-8525INTERCHANGEABLE
CAPACITOR,FIXED,ELECTROLYTIC
5940-00-853-0100INTERCHANGEABLE
TERMINAL,STUD
9072397
5365-00-857-5306INTERCHANGEABLE
SPACER,DISPLAY UNIT
10016-1
5320-01-513-6081INTERCHANGEABLE
PIN-RIVET
HST112AG6-11
5320-01-513-6085INTERCHANGEABLE
PIN-RIVET
HST112AG6-10
5320-01-513-6087INTERCHANGEABLE
PIN-RIVET
HST112AG6-9
5320-01-568-4218INTERCHANGEABLE
PIN-RIVET,THREADED,
100-161-5-9
5320-01-583-4234INTERCHANGEABLE
PIN-RIVET
100-161-8-10
5320-01-660-8998INTERCHANGEABLE
PIN-RIVET
HST112AG12-20
5320-01-660-9002INTERCHANGEABLE
PIN-RIVET
HST112AG12-15

Frequently Asked Questions

What is NSN 4820-00-357-5002?

NSN 4820-00-357-5002 is a Parts Kit,valve, manufactured by Oshkosh Defense Llc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-357-5002?

NSN 4820-00-357-5002 has 3 cross-referenced part numbers: 3WB121 (Oshkosh Defense Llc), 3WB121 (Oshkosh Corp), 100161 (Williams Controls Inc).

What NSN replaces 4820-00-357-5002?

There are 12 known substitutes for 4820-00-357-5002: 5305-00-021-7056, 6150-00-201-9583, 5910-00-450-8525 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3WB121?

Key specifications for 3WB121: End Item Identification: MODEL WM674A; End Item Name: DUAL BRAKE CONTROL VALVE; Special Features: SUPPORTS OSHKOSH,MODELS WT2206,W700-15R,P2525 AND W712 SNOWPLOWS; End Item Source: 11331. 6 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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