PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20047Valve,safety Relief

Electro Impulse Laboratory Inc Dba Electro Impulse Inc · NSN 4820-01-112-3649 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-112-3649 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-112-3649. Primary manufacturer part number: 20047.
Features
  • Valve,safety Relief — FSC 4820
  • Material: COPPER ALLOY BODY
  • Thread Series Designator: NPT FIRST END
  • Nominal Thread Size: 1.500 INCHES FIRST END IN
  • Adjustable Pressure Range: +30.0 TO 100.0 POUNDS PER SQUARE INCH LBS
  • Material: STEEL CORROSION RESISTING FLOW CONTROL DEVICE
  • 1 verified cross-reference
  • Primary manufacturer: Electro Impulse Laboratory Inc Dba Electro Impulse Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Body construction
General Description

The Valve,safety Relief, cataloged under National Stock Number 4820-01-112-3649, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Electro Impulse Laboratory Inc Dba Electro Impulse Inc. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-112-3649
Primary Part Number20047
Item NameValve,safety Relief
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerElectro Impulse Laboratory Inc Dba Electro Impulse Inc
StatusACTIVE
MaterialCOPPER ALLOY BODY
Thread Series DesignatorNPT FIRST END
Nominal Thread Size1.500 INCHES FIRST END IN
Adjustable Pressure Range+30.0 TO 100.0 POUNDS PER SQUARE INCH LBS
MaterialSTEEL CORROSION RESISTING FLOW CONTROL DEVICE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-086-2206 INTERCHANGEABLE
Seal,plain Encased
5133-00-228-1334 INTERCHANGEABLE
Drill,twist
5905-00-264-7078 INTERCHANGEABLE
Resistor,fixed,wire Wound
4820-00-624-337320047 INTERCHANGEABLE
Valve,butterfly
Emerson Automation Solutions Final Control Us Lp
5950-00-815-7306 INTERCHANGEABLE
Coil,radio Frequency
5305-00-853-384920047 INTERCHANGEABLE
Screw,machine
Eaton Corporation Dba Airframe Div Fuel & Motion Control Systems
5310-00-882-8320K91508 INTERCHANGEABLE
Washer,key
The Timken Corporation
3040-01-096-11342004-7 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5975-01-099-10360020040730 INTERCHANGEABLE
Rack,cable,interior
Newton Instrument Company Dba Newton Instrument Co
4920-01-297-970920047 INTERCHANGEABLE
Test Program Set
Textron Systems Corporation Dba Textron Systems Corp
Cross-Reference Index
Part NumberManufacturer
20047 PRIMARY Electro Impulse Laboratory Inc Dba Electro Impulse Inc (USA)
Related Parts
5330-00-086-2206INTERCHANGEABLE
SEAL,PLAIN ENCASED
5133-00-228-1334INTERCHANGEABLE
DRILL,TWIST
5905-00-264-7078INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND
4820-00-624-3373INTERCHANGEABLE
VALVE,BUTTERFLY
20047
5950-00-815-7306INTERCHANGEABLE
COIL,RADIO FREQUENCY
5305-00-853-3849INTERCHANGEABLE
SCREW,MACHINE
20047
5310-00-882-8320INTERCHANGEABLE
WASHER,KEY
K91508
3040-01-096-1134INTERCHANGEABLE
CONNECTING LINK,RIGID
2004-7
5975-01-099-1036INTERCHANGEABLE
RACK,CABLE,INTERIOR
0020040730
4920-01-297-9709INTERCHANGEABLE
TEST PROGRAM SET
20047
5950-01-303-7508INTERCHANGEABLE
TRANSFORMER,POWER
20047

Frequently Asked Questions

What is NSN 4820-01-112-3649?

NSN 4820-01-112-3649 is a Valve,safety Relief, manufactured by Electro Impulse Laboratory Inc Dba Electro Impulse Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-112-3649?

NSN 4820-01-112-3649 has 1 cross-referenced part number: 20047 (Electro Impulse Laboratory Inc Dba Electro Impulse Inc).

What NSN replaces 4820-01-112-3649?

There are 11 known substitutes for 4820-01-112-3649: 5330-00-086-2206, 5133-00-228-1334, 5905-00-264-7078 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20047?

Key specifications for 20047: Material: COPPER ALLOY BODY; Thread Series Designator: NPT FIRST END; Nominal Thread Size: 1.500 INCHES FIRST END IN; Adjustable Pressure Range: +30.0 TO 100.0 POUNDS PER SQUARE INCH LBS. 5 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com