PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

31203Valve,control

London Machinery Inc · NSN 4820-01-122-5699 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-122-5699 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-122-5699. Primary manufacturer part number: 31203.
Features
  • Valve,control — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: London Machinery Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,control, cataloged under National Stock Number 4820-01-122-5699, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is London Machinery Inc. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,control
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLondon Machinery Inc (CAGE 35071); Monarch Industries Ltd (CAGE 35560)
Technical Specifications
ParameterValue
NSN4820-01-122-5699
Primary Part Number31203
Item NameValve,control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLondon Machinery Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-111-648031203 INTERCHANGEABLE
Seal,oil
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5945-00-259-5500TKLHPX2 INTERCHANGEABLE
Relay,electromagnetic
Ohmite Holding, L.l.c. Dba Ohmite Manufacturing
4931-00-466-7893FT-16AEU3-LAA-1 INTERCHANGEABLE
Flowmeter,turbine
Fti Flow Technology Llc
5365-00-485-4342 INTERCHANGEABLE
Spacer,ring
5120-00-517-53475120-00-517-5347 INTERCHANGEABLE
Wrench,tap and Reamer
General Services Administration Federal Supply Service
4130-00-809-545731203 INTERCHANGEABLE
Cooling Coil,air,duct Type
Hdt Expeditionary Systems Inc
5935-00-883-217331-203 INTERCHANGEABLE
Connector,receptacle,electrical
Amphenol Corporation Div Amphenol Rf
3455-01-044-79491726-0500 INTERCHANGEABLE
Cutter,milling,end
New York Twist Drill Inc
6515-01-104-2027 INTERCHANGEABLE
Plate,eggers
6520-01-540-458231203 INTERCHANGEABLE
Switch,mains
Vident
Cross-Reference Index
Part NumberManufacturer
31203 PRIMARY London Machinery Inc (CAN)
193940 Monarch Industries Ltd (CAN)
Related Parts
5330-00-111-6480INTERCHANGEABLE
SEAL,OIL
31203
5945-00-259-5500INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
TKLHPX2
4931-00-466-7893INTERCHANGEABLE
FLOWMETER,TURBINE
FT-16AEU3-LAA-1
5365-00-485-4342INTERCHANGEABLE
SPACER,RING
5120-00-517-5347INTERCHANGEABLE
WRENCH,TAP AND REAMER
5120-00-517-5347
4130-00-809-5457INTERCHANGEABLE
COOLING COIL,AIR,DUCT TYPE
31203
5935-00-883-2173INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
31-203
3455-01-044-7949INTERCHANGEABLE
CUTTER,MILLING,END
1726-0500
6515-01-104-2027INTERCHANGEABLE
PLATE,EGGERS
6520-01-540-4582INTERCHANGEABLE
SWITCH,MAINS
31203
5310-01-571-8345INTERCHANGEABLE
NUT HEX,AIRCRAFT,MA
5995-01-630-8888INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
31203

Frequently Asked Questions

What is NSN 4820-01-122-5699?

NSN 4820-01-122-5699 is a Valve,control, manufactured by London Machinery Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-122-5699?

NSN 4820-01-122-5699 has 2 cross-referenced part numbers: 31203 (London Machinery Inc), 193940 (Monarch Industries Ltd).

What NSN replaces 4820-01-122-5699?

There are 12 known substitutes for 4820-01-122-5699: 5330-00-111-6480, 5945-00-259-5500, 4931-00-466-7893 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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