PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

28077-001Valve,pressure Equalizing,gaseou

Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company · NSN 4820-00-324-4335 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-324-4335 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-324-4335. Primary manufacturer part number: 28077-001.
Features
  • Valve,pressure Equalizing,gaseou — FSC 4820
  • 2 verified cross-references
  • Primary manufacturer: Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,pressure Equalizing,gaseou, cataloged under National Stock Number 4820-00-324-4335, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company. This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameValve,pressure Equalizing,gaseou
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersMarathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company (CAGE 74025)
Technical Specifications
ParameterValue
NSN4820-00-324-4335
Primary Part Number28077-001
Item NameValve,pressure Equalizing,gaseou
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMarathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5999-00-374-08265214325 INTERCHANGEABLE
Cap,electrical
U S Army Tank Automotive Command Amsta-Im-Mm
6680-00-410-938828077 INTERCHANGEABLE
Switch,liquid Level
Setra Systems, Inc. Dba Gems Sensors
5120-00-632-2021280377 INTERCHANGEABLE
Adapter,torque Wrench
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5905-01-218-5359 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5330-01-295-102928077 INTERCHANGEABLE
Gasket
Sullair Corp
6515-01-379-590428077 INTERCHANGEABLE
Support,wrist
Moore H L Co Div of Moore Medical Corp
4320-01-439-2285 INTERCHANGEABLE
Plate,pressure,rotary Pump
5895-01-569-651228077 INTERCHANGEABLE
Control-Indicator
Audiosears Corp Dba Audiosears Corp
Cross-Reference Index
Part NumberManufacturer
28077-001 PRIMARY Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company (USA)
28077 Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company (USA)
Related Parts
5999-00-374-0826INTERCHANGEABLE
CAP,ELECTRICAL
5214325
6680-00-410-9388INTERCHANGEABLE
SWITCH,LIQUID LEVEL
28077
5120-00-632-2021INTERCHANGEABLE
ADAPTER,TORQUE WRENCH
280377
5905-01-218-5359INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5330-01-295-1029INTERCHANGEABLE
GASKET
28077
6515-01-379-5904INTERCHANGEABLE
SUPPORT,WRIST
28077
4320-01-439-2285INTERCHANGEABLE
PLATE,PRESSURE,ROTARY PUMP
5895-01-569-6512INTERCHANGEABLE
CONTROL-INDICATOR
28077

Frequently Asked Questions

What is NSN 4820-00-324-4335?

NSN 4820-00-324-4335 is a Valve,pressure Equalizing,gaseou, manufactured by Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-324-4335?

NSN 4820-00-324-4335 has 2 cross-referenced part numbers: 28077-001 (Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company), 28077 (Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company).

What NSN replaces 4820-00-324-4335?

There are 8 known substitutes for 4820-00-324-4335: 5999-00-374-0826, 6680-00-410-9388, 5120-00-632-2021 and 5 more. Verify interchangeability with system specifications before substitution.

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