PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77950-1Valve,vent

Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator · NSN 4820-01-212-6806 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-212-6806 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-212-6806. Primary manufacturer part number: 77950-1.
Features
  • Valve,vent — FSC 4820
  • Material: STEEL CORROSION RESISTING BODY
  • 3 verified cross-references
  • Primary manufacturer: Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting Body construction
General Description

The Valve,vent, cataloged under National Stock Number 4820-01-212-6806, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator. Government technical data includes 1 verified specification, 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
NSN4820-01-212-6806
Primary Part Number77950-1
Item NameValve,vent
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator
StatusACTIVE
MaterialSTEEL CORROSION RESISTING BODY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5310-00-483-718377950 INTERCHANGEABLE
Washer,flat
Hamilton Sundstrand Corporation Dba Collins Aerospace
4810-01-213-154477950-2 INTERCHANGEABLE
Valve,butterfly
Esi Acquisition Corp Dba Esi Acquisition Corp
Cross-Reference Index
Part NumberManufacturer
77950 Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
77950-1 PRIMARY Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator (USA)
77950-1 PRIMARY Esi Acquisition Corp Dba Esi Acquisition Corp (USA)
Related Parts
5310-00-483-7183INTERCHANGEABLE
WASHER,FLAT
77950
4810-01-213-1544INTERCHANGEABLE
VALVE,BUTTERFLY
77950-2

Frequently Asked Questions

What is NSN 4820-01-212-6806?

NSN 4820-01-212-6806 is a Valve,vent, manufactured by Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-212-6806?

NSN 4820-01-212-6806 has 3 cross-referenced part numbers: 77950 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 77950-1 (Eaton Aerospace Llc Dba Sterer Engineering Div Valve & Actuator), 77950-1 (Esi Acquisition Corp Dba Esi Acquisition Corp).

What NSN replaces 4820-01-212-6806?

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

What are the specifications of 77950-1?

Key specifications for 77950-1: Material: STEEL CORROSION RESISTING BODY. 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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