PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3701Valve,regulating,fluid Pressure

Matheson Co Div of G D Searle Medical Products · NSN 4820-00-899-8666 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-899-8666 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-899-8666. Primary manufacturer part number: 3701.
Features
  • Valve,regulating,fluid Pressure — FSC 4820
  • End Connection Quantity: 2
  • Second End Relationship with First End: IDENTICAL
  • Valve Loading Method: DOME
  • First End Style Designator: PLAIN
  • Media for Which Designed: HYDROCARBON FUELS AND OILS
  • Thread Size and Series/type Designator: 1/4-18 NPT FIRST END
  • Furnished Items: INTERNAL PILOT VALVE AND OUTLET PRESSURE GAGE
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,regulating,fluid Pressure, cataloged under National Stock Number 4820-00-899-8666, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Matheson Co Div of G D Searle Medical Products. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-899-8666
Primary Part Number3701
Item NameValve,regulating,fluid Pressure
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerMatheson Co Div of G D Searle Medical Products
StatusACTIVE
End Connection Quantity2
Second End Relationship with First EndIDENTICAL
Valve Loading MethodDOME
First End Style DesignatorPLAIN
Media for Which DesignedHYDROCARBON FUELS AND OILS
Thread Size and Series/type Designator1/4-18 NPT FIRST END
Furnished ItemsINTERNAL PILOT VALVE AND OUTLET PRESSURE GAGE
First End Connection TypeTHREADED EXTERNAL PIPE
First End Thread DirectionRIGHT-HAND
Valve Stem DesignSINGLE SEAT
FilterNOT INCLUDED
Regulation TypeAUTOMATIC SINGLE STAGE
Outlet Pressure SettingERR-060
Maximum Inlet Pressure RatingERR-060
Flow Control DeviceDISK
Body StyleSTRAIGHT THRU
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5120-00-112-94625120-00-112-9462 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
1660-00-119-7350 INTERCHANGEABLE
Valve Assembly,environmental Con
3895-00-127-6875 INTERCHANGEABLE
Base
3030-00-234-2242230458 INTERCHANGEABLE
Belt,v
Mechanical Equipment Company, Inc. Dba Mechanical Equipment Co Inc
5920-00-284-921770B-2A INTERCHANGEABLE
Fuse,cartridge
Cooper Bussmann, Llc Dba Cooper Industries
2915-00-613-25253701 INTERCHANGEABLE
Support,motor
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5975-00-982-90663701 INTERCHANGEABLE
Reducing Washer,knockout
Abb Installation Products Inc
4730-01-030-9194 INTERCHANGEABLE
Coupling,pipe
5998-01-043-30963701 INTERCHANGEABLE
Circuit Card Assembly
Data Device Corp Dba Beta Transformer Technology
5895-01-070-39453701 INTERCHANGEABLE
Limiter,electrical Noise
Keysight Technologies Inc
Cross-Reference Index
Part NumberManufacturer
70B Matheson Co Div of G D Searle Medical Products (USA)
3701 PRIMARY Matheson Co Div of G D Searle Medical Products (USA)
Related Parts
5120-00-112-9462INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-112-9462
1660-00-119-7350INTERCHANGEABLE
VALVE ASSEMBLY,ENVIRONMENTAL CON
3895-00-127-6875INTERCHANGEABLE
BASE
3030-00-234-2242INTERCHANGEABLE
BELT,V
230458
5920-00-284-9217INTERCHANGEABLE
FUSE,CARTRIDGE
70B-2A
2915-00-613-2525INTERCHANGEABLE
SUPPORT,MOTOR
3701
5975-00-982-9066INTERCHANGEABLE
REDUCING WASHER,KNOCKOUT
3701
4730-01-030-9194INTERCHANGEABLE
COUPLING,PIPE
5998-01-043-3096INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
3701
5895-01-070-3945INTERCHANGEABLE
LIMITER,ELECTRICAL NOISE
3701
5935-01-108-7593INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
3701
4130-01-343-1656INTERCHANGEABLE
ACCUMULATOR,REFRIGERANT

Frequently Asked Questions

What is NSN 4820-00-899-8666?

NSN 4820-00-899-8666 is a Valve,regulating,fluid Pressure, manufactured by Matheson Co Div of G D Searle Medical Products, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-899-8666?

NSN 4820-00-899-8666 has 2 cross-referenced part numbers: 70B (Matheson Co Div of G D Searle Medical Products), 3701 (Matheson Co Div of G D Searle Medical Products).

What NSN replaces 4820-00-899-8666?

There are 12 known substitutes for 4820-00-899-8666: 5120-00-112-9462, 1660-00-119-7350, 3895-00-127-6875 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3701?

Key specifications for 3701: End Connection Quantity: 2; Second End Relationship with First End: IDENTICAL; Valve Loading Method: DOME; First End Style Designator: PLAIN. 17 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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