PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4-3035Valve,regulating,fluid Pressure

Tuthill Corporation Div Coppus Portable Ventilation Division · NSN 4820-01-257-0827 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-257-0827 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-257-0827. Primary manufacturer part number: 4-3035.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • Material: STEEL BODY
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • 2 verified cross-references
  • Primary manufacturer: Tuthill Corporation Div Coppus Portable Ventilation Division
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Body construction
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-01-257-0827, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Tuthill Corporation Div Coppus Portable Ventilation Division. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-257-0827
Primary Part Number4-3035
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerTuthill Corporation Div Coppus Portable Ventilation Division
StatusACTIVE
MaterialSTEEL BODY
Media for Which DesignedHYDROCARBON FUELS AND OILS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5950-00-127-65052371988G1 INTERCHANGEABLE
Coil,radio Frequency
L3harris Technologies, Inc.
3455-00-194-0264716-080718 INTERCHANGEABLE
Cutter,milling,end
Doall Baltimore Company
5970-00-357-7786 INTERCHANGEABLE
Insulator,plate
5935-00-501-095443035-1 INTERCHANGEABLE
Connector,receptacle,electrical
Microwave Devices Inc
3030-00-529-0467 INTERCHANGEABLE
Belt,v
5340-01-498-266243035 INTERCHANGEABLE
Cover,access
Tempress Inc
2040-01-629-787843035 INTERCHANGEABLE
Plate,deck,access
Tempress Marine Group
Cross-Reference Index
Part NumberManufacturer
4-3035 Tuthill Corporation Div Coppus Portable Ventilation Division (USA)
4-3035 Golar Metal Inc (USA)
Related Parts
5950-00-127-6505INTERCHANGEABLE
COIL,RADIO FREQUENCY
2371988G1
3455-00-194-0264INTERCHANGEABLE
CUTTER,MILLING,END
716-080718
5970-00-357-7786INTERCHANGEABLE
INSULATOR,PLATE
5935-00-501-0954INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
43035-1
3030-00-529-0467INTERCHANGEABLE
BELT,V
5340-01-498-2662INTERCHANGEABLE
COVER,ACCESS
43035
2040-01-629-7878INTERCHANGEABLE
PLATE,DECK,ACCESS
43035

Frequently Asked Questions

What is NSN 4820-01-257-0827?

NSN 4820-01-257-0827 is a Valve,regulating,fluid Pressure, manufactured by Tuthill Corporation Div Coppus Portable Ventilation Division, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-257-0827?

NSN 4820-01-257-0827 has 2 cross-referenced part numbers: 4-3035 (Tuthill Corporation Div Coppus Portable Ventilation Division), 4-3035 (Golar Metal Inc).

What NSN replaces 4820-01-257-0827?

There are 7 known substitutes for 4820-01-257-0827: 5950-00-127-6505, 3455-00-194-0264, 5970-00-357-7786 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4-3035?

Key specifications for 4-3035: Material: STEEL BODY; Media for Which Designed: HYDROCARBON FUELS AND OILS. 2 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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