PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40211Valve,butterfly

Hdt Expeditionary Systems Inc · NSN 4820-01-539-7202 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-539-7202 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-539-7202. Primary manufacturer part number: 40211.
Features
  • Valve,butterfly — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Hdt Expeditionary Systems Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,butterfly, cataloged under National Stock Number 4820-01-539-7202, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Hdt Expeditionary Systems Inc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,butterfly
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersHdt Expeditionary Systems Inc (CAGE 92878)
Technical Specifications
ParameterValue
NSN4820-01-539-7202
Primary Part Number40211
Item NameValve,butterfly
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHdt Expeditionary Systems Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5999-00-030-199540-211 INTERCHANGEABLE
Contact,electrical
Eaton Corp Opns & Technical Center
5950-00-052-6792 INTERCHANGEABLE
Coil,radio Frequency
2825-00-146-909440211 INTERCHANGEABLE
Cartridge,valve
Northrop Grumman Systems Corporation Div Marine Systems
3455-00-194-055258-10078 INTERCHANGEABLE
Cutter,milling,side
Union Butterfield Corp P O Box 9000 Crystal Lake Il 60039
4935-00-450-82572226 INTERCHANGEABLE
Slip Ring Assembly,fifty Circuit
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
5950-01-075-7262SM-C-852034 INTERCHANGEABLE
Reactor
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
6515-01-139-8433 INTERCHANGEABLE
Counterbore,trochanteric
5965-01-262-172240211 INTERCHANGEABLE
Headset,electrical
University of Washington Div Applied Physics Laboratory
1630-01-301-1894 INTERCHANGEABLE
Rim,wheel,pneumatic Tire
4710-01-676-264040211 INTERCHANGEABLE
Tube Assembly,metal
Exlar Corporation
Cross-Reference Index
Part NumberManufacturer
40211 PRIMARY Hdt Expeditionary Systems Inc (USA)
Related Parts
5999-00-030-1995INTERCHANGEABLE
CONTACT,ELECTRICAL
40-211
5950-00-052-6792INTERCHANGEABLE
COIL,RADIO FREQUENCY
2825-00-146-9094INTERCHANGEABLE
CARTRIDGE,VALVE
40211
3455-00-194-0552INTERCHANGEABLE
CUTTER,MILLING,SIDE
58-10078
4935-00-450-8257INTERCHANGEABLE
SLIP RING ASSEMBLY,FIFTY CIRCUIT
2226
5950-01-075-7262INTERCHANGEABLE
REACTOR
SM-C-852034
6515-01-139-8433INTERCHANGEABLE
COUNTERBORE,TROCHANTERIC
5965-01-262-1722INTERCHANGEABLE
HEADSET,ELECTRICAL
40211
1630-01-301-1894INTERCHANGEABLE
RIM,WHEEL,PNEUMATIC TIRE
4710-01-676-2640INTERCHANGEABLE
TUBE ASSEMBLY,METAL
40211

Frequently Asked Questions

What is NSN 4820-01-539-7202?

NSN 4820-01-539-7202 is a Valve,butterfly, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-539-7202?

NSN 4820-01-539-7202 has 1 cross-referenced part number: 40211 (Hdt Expeditionary Systems Inc).

What NSN replaces 4820-01-539-7202?

There are 10 known substitutes for 4820-01-539-7202: 5999-00-030-1995, 5950-00-052-6792, 2825-00-146-9094 and 7 more. Verify interchangeability with system specifications before substitution.

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