PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77950-2Valve,butterfly

Esi Acquisition Corp Dba Esi Acquisition Corp · NSN 4810-01-213-1544 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-213-1544 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-213-1544. Primary manufacturer part number: 77950-2.
Features
  • Valve,butterfly — FSC 4810
  • Mounting Facility: WAFER
  • Voltage in Volts and Current Type: 28.0 DC
  • Valve Operation Method: ELECTRIC MOTOR
  • Material: STEEL CORROSION RESISTING BODY
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Style Designator: STRAIGHT THRU
  • Current Rating in Amps: 1.200
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,butterfly, cataloged under National Stock Number 4810-01-213-1544, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Esi Acquisition Corp Dba Esi Acquisition Corp. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4810-01-213-1544
Primary Part Number77950-2
Item NameValve,butterfly
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerEsi Acquisition Corp Dba Esi Acquisition Corp
StatusACTIVE
Mounting FacilityWAFER
Voltage in Volts and Current Type28.0 DC
Valve Operation MethodELECTRIC MOTOR
MaterialSTEEL CORROSION RESISTING BODY
Media for Which DesignedAIR SINGLE RESPONSE
Style DesignatorSTRAIGHT THRU
Current Rating in Amps1.200
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-483-718377950 INTERCHANGEABLE
Washer,flat
Hamilton Sundstrand Corporation Dba Collins Aerospace
4820-01-212-680677950-1 INTERCHANGEABLE
Valve,vent
Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Cross-Reference Index
Part NumberManufacturer
77950-2 PRIMARY Esi Acquisition Corp Dba Esi Acquisition Corp (USA)
77950 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
77950-2 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
Related Parts
5310-00-483-7183INTERCHANGEABLE
WASHER,FLAT
77950
4820-01-212-6806INTERCHANGEABLE
VALVE,VENT
77950-1

Frequently Asked Questions

What is NSN 4810-01-213-1544?

NSN 4810-01-213-1544 is a Valve,butterfly, manufactured by Esi Acquisition Corp Dba Esi Acquisition Corp, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-213-1544?

NSN 4810-01-213-1544 has 3 cross-referenced part numbers: 77950-2 (Esi Acquisition Corp Dba Esi Acquisition Corp), 77950 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 77950-2 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator).

What NSN replaces 4810-01-213-1544?

There are 2 known substitutes for 4810-01-213-1544: 5310-00-483-7183, 4820-01-212-6806. Verify interchangeability with system specifications before substitution.

What are the specifications of 77950-2?

Key specifications for 77950-2: Mounting Facility: WAFER; Voltage in Volts and Current Type: 28.0 DC; Valve Operation Method: ELECTRIC MOTOR; Material: STEEL CORROSION RESISTING BODY. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com