PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

QT74X 3/4INCock,drain

Nibco Inc Chemtrol Div · NSN 4820-00-115-3942 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-115-3942 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-115-3942. Primary manufacturer part number: QT74X 3/4IN.
Features
  • Cock,drain — FSC 4820
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
  • Thread Series Designator: NH FIRST END
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Flow Control Device: DISK
  • Style Designator: ANGLE
  • Connection Style: PLAIN (PIPE) SECOND END
  • Valve Operation Method: MANUAL
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-00-115-3942, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Nibco Inc Chemtrol Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-00-115-3942
Primary Part NumberQT74X 3/4IN
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNibco Inc Chemtrol Div
StatusCANCELLED
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Thread Series DesignatorNH FIRST END
Thread DirectionRIGHT-HAND ALL ENDS
Flow Control DeviceDISK
Style DesignatorANGLE
Connection StylePLAIN (PIPE) SECOND END
Valve Operation MethodMANUAL
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size1.062 INCHES FIRST END IN
Thread Series DesignatorNPT SECOND END
Nominal Thread Size0.750 INCHES SECOND END IN
MaterialCOPPER ALLOY BODY
Media for Which DesignedGAS, NATURAL THIRD RESPONSE
Thread Quantity Per Inch11-1/2 FIRST END
Media for Which DesignedWATER, FRESH FIRST RESPONSE
Media for Which DesignedOIL SECOND RESPONSE
Connection StylePLAIN (HOSE) FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
1650-00-070-8565200540177-10 INTERCHANGEABLE
Parts Kit,linear Actuating Cylin
Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force
6105-00-106-5494 INTERCHANGEABLE
Motor,direct Current
5330-00-146-95507103-4 INTERCHANGEABLE
Seal
Cooper Interconnect, Inc. Dba Cooper Interconnect Div Interconnect
4730-00-249-3919 INTERCHANGEABLE
Elbow,pipe
5305-00-335-46657373236 INTERCHANGEABLE
Thumbscrew
U S Army Tank Automotive Command Amsta-Im-Mm
5355-00-514-07087-434 INTERCHANGEABLE
Dial,scale
Rogerson Kratos
4510-00-764-7070 INTERCHANGEABLE
Stem,faucet
3110-00-863-3781 INTERCHANGEABLE
Bearing,ball,annular
5950-01-016-02727-434 INTERCHANGEABLE
Form,coil
Gowanda Holdings, Llc Div Gowanda Electronics Corp.
4820-01-160-6916 INTERCHANGEABLE
Disk,valve
Cross-Reference Index
Part NumberManufacturer
74 3/4 Nibco Inc (USA)
QT74X 3/4IN PRIMARY Nibco Inc Chemtrol Div (USA)
74 3/4IN Nibco Inc (USA)
710-3-4 Hammond Valve Corp (USA)
74 3-4 Nibco Inc (USA)
710 3/4 Hammond Valve Corp (USA)
Related Parts
1650-00-070-8565INTERCHANGEABLE
PARTS KIT,LINEAR ACTUATING CYLIN
200540177-10
6105-00-106-5494INTERCHANGEABLE
MOTOR,DIRECT CURRENT
5330-00-146-9550INTERCHANGEABLE
SEAL
7103-4
4730-00-249-3919INTERCHANGEABLE
ELBOW,PIPE
5305-00-335-4665INTERCHANGEABLE
THUMBSCREW
7373236
5355-00-514-0708INTERCHANGEABLE
DIAL,SCALE
7-434
4510-00-764-7070INTERCHANGEABLE
STEM,FAUCET
3110-00-863-3781INTERCHANGEABLE
BEARING,BALL,ANNULAR
5950-01-016-0272INTERCHANGEABLE
FORM,COIL
7-434
4820-01-160-6916INTERCHANGEABLE
DISK,VALVE
5950-01-268-7315INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
7434
4820-01-344-3934INTERCHANGEABLE
VALVE,BLEEDER,HYDRAULIC SYSTEM
FD15-1002-04

Frequently Asked Questions

What is NSN 4820-00-115-3942?

NSN 4820-00-115-3942 is a Cock,drain, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-115-3942?

NSN 4820-00-115-3942 has 6 cross-referenced part numbers: 74 3/4 (Nibco Inc), QT74X 3/4IN (Nibco Inc Chemtrol Div), 74 3/4IN (Nibco Inc), 710-3-4 (Hammond Valve Corp), 74 3-4 (Nibco Inc) and 1 more.

What NSN replaces 4820-00-115-3942?

There are 12 known substitutes for 4820-00-115-3942: 1650-00-070-8565, 6105-00-106-5494, 5330-00-146-9550 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of QT74X 3/4IN?

Key specifications for QT74X 3/4IN: Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF; Thread Series Designator: NH FIRST END; Thread Direction: RIGHT-HAND ALL ENDS; Flow Control Device: DISK. 17 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-115-3942 still in active supply?

NSN 4820-00-115-3942 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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