PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4PValve,linear,directional Control

Humphrey Products Co · NSN 4820-01-500-3131 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-500-3131 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-500-3131. Primary manufacturer part number: 4P.
Features
  • Valve,linear,directional Control — FSC 4820
  • Connection Type: THREADED EXTERNAL PIPE
  • Body Material: COPPER ALLOY
  • End Connection Quantity: 2
  • Valve Operation Method: MANUAL
  • Flow Pattern Quantity: 4
  • Spool Quantity: 1
  • 2 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,linear,directional Control, cataloged under National Stock Number 4820-01-500-3131, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Humphrey Products Co. Government technical data includes 6 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-500-3131
Primary Part Number4P
Item NameValve,linear,directional Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerHumphrey Products Co
StatusACTIVE
Connection TypeTHREADED EXTERNAL PIPE
Body MaterialCOPPER ALLOY
End Connection Quantity2
Valve Operation MethodMANUAL
Flow Pattern Quantity4
Spool Quantity1
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-100-6150 INTERCHANGEABLE
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3110-00-155-66751406 INTERCHANGEABLE
Bearing,ball,annular
Federal-Mogul Corp Government Sales Dept
5905-00-173-6906867134 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Honeywell International, Inc Div Aerospace-Tucson
5985-00-230-5761200-102 INTERCHANGEABLE
Lobe Switch,antenna
L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products
5910-00-484-7985T330A105K050AS INTERCHANGEABLE
Capacitor,fixed,electrolytic
Kemet Electronics Corporation
5935-00-762-1494200-102 INTERCHANGEABLE
Plug,tip
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
5342-01-106-21094-P INTERCHANGEABLE
Plug
Swagelok Co
5985-01-238-5554200102 INTERCHANGEABLE
Isolator,radio Frequency Reflect
Ryt Industries Inc
5945-01-344-9786200102 INTERCHANGEABLE
Inverter,standby
Marathonnorco Aerospace, Inc. Dba Marathon Power Technologies Company
6525-01-375-325620-0102 INTERCHANGEABLE
Mount,radiographic Film,dental
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Cross-Reference Index
Part NumberManufacturer
200102 S & G Enterprises Inc (USA)
4P PRIMARY Humphrey Products Co (USA)
Related Parts
3110-00-100-6150INTERCHANGEABLE
BALL,BEARING
3110-00-155-6675INTERCHANGEABLE
BEARING,BALL,ANNULAR
1406
5905-00-173-6906INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
867134
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PLUG,TIP
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PLUG
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Frequently Asked Questions

What is NSN 4820-01-500-3131?

NSN 4820-01-500-3131 is a Valve,linear,directional Control, manufactured by Humphrey Products Co, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-500-3131?

NSN 4820-01-500-3131 has 2 cross-referenced part numbers: 200102 (S & G Enterprises Inc), 4P (Humphrey Products Co).

What NSN replaces 4820-01-500-3131?

There are 12 known substitutes for 4820-01-500-3131: 3110-00-100-6150, 3110-00-155-6675, 5905-00-173-6906 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4P?

Key specifications for 4P: Connection Type: THREADED EXTERNAL PIPE; Body Material: COPPER ALLOY; End Connection Quantity: 2; Valve Operation Method: MANUAL. 7 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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