PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

193ACock,plug

Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division · NSN 4820-00-174-0323 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-174-0323 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-174-0323. Primary manufacturer part number: 193A.
Features
  • Cock,plug — FSC 4820
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Material: COPPER ALLOY BODY
  • Thread Series Designator: NPT FIRST END
  • Nominal Thread Size: 0.500 INCHES SECOND END IN
  • Valve Operation Method: MANUAL
  • Flow Style: TWO WAY TWO PORT 360 DEGREE PLUG TURN
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-174-0323, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 4 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
NSN4820-00-174-0323
Primary Part Number193A
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerRomac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division
StatusCANCELLED
Nominal Thread Size0.500 INCHES FIRST END IN
MaterialCOPPER ALLOY BODY
Thread Series DesignatorNPT FIRST END
Nominal Thread Size0.500 INCHES SECOND END IN
Valve Operation MethodMANUAL
Flow StyleTWO WAY TWO PORT 360 DEGREE PLUG TURN
Nominal Thread Size0.500 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE SECOND END
MaterialCOPPER ALLOY STEM
Connection StylePLAIN (PIPE) SECOND END
Connection TypeTHREADED INTERNAL PIPE FIRST END
Thread DirectionRIGHT-HAND SECOND END
Connection StylePLAIN, OPTIONAL END (PIPE) FIRST END
Thread Series DesignatorNPT SECOND END
Thread DirectionRIGHT-HAND FIRST END
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY FLOW CONTROL DEVICE
Thread Series DesignatorNPT FIRST END
Thread Series DesignatorNPT SECOND END
Nominal Thread Size0.500 INCHES SECOND END IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
3110-00-156-4257206KT INTERCHANGEABLE
Bearing,ball,annular
Timken Co Div the Timken Company
5325-00-286-6047 INTERCHANGEABLE
Grommet,nonmetallic
4220-00-431-6517NS114128 INTERCHANGEABLE
Divers Compass,wris
Aqualung Usa, Inc
3750-00-588-7579 INTERCHANGEABLE
Blade,cutter,mower
9390-00-792-1501BAC1530-7 INTERCHANGEABLE
Nonmetallic Special Shaped Secti
The Boeing Company Div Defense
1680-00-890-54607030 INTERCHANGEABLE
Tube,water Level Cr
Mag Aerospace Industries, Llc Div Safran Cabins
5960-00-948-5920 INTERCHANGEABLE
Electron Tube
4820-00-957-5603 INTERCHANGEABLE
Statchion Gasket
5640-01-037-4769 INTERCHANGEABLE
Weather Strip
5998-01-123-9654 INTERCHANGEABLE
Holder,electrical Card
Cross-Reference Index
Part NumberManufacturer
193A PRIMARY Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
HF1434 Hobart Bros Co (USA)
7030SIZE1-2 PRIMARY Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division (USA)
193A PRIMARY Hobart Bros Co (USA)
7030 United Industrial Corp (USA)
298-2060-1 Rexworks Inc (USA)
Related Parts
3110-00-156-4257INTERCHANGEABLE
BEARING,BALL,ANNULAR
206KT
5325-00-286-6047INTERCHANGEABLE
GROMMET,NONMETALLIC
4220-00-431-6517INTERCHANGEABLE
DIVERS COMPASS,WRIS
NS114128
3750-00-588-7579INTERCHANGEABLE
BLADE,CUTTER,MOWER
9390-00-792-1501INTERCHANGEABLE
NONMETALLIC SPECIAL SHAPED SECTI
BAC1530-7
1680-00-890-5460INTERCHANGEABLE
TUBE,WATER LEVEL CR
7030
5960-00-948-5920INTERCHANGEABLE
ELECTRON TUBE
4820-00-957-5603INTERCHANGEABLE
STATCHION GASKET
5640-01-037-4769INTERCHANGEABLE
WEATHER STRIP
5998-01-123-9654INTERCHANGEABLE
HOLDER,ELECTRICAL CARD
6685-01-203-9667INTERCHANGEABLE
CALIBRATOR,THERMOMETER
7030
5120-01-363-6633INTERCHANGEABLE
WRENCH,SPANNER
7030

Frequently Asked Questions

What is NSN 4820-00-174-0323?

NSN 4820-00-174-0323 is a Cock,plug, manufactured by Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-174-0323?

NSN 4820-00-174-0323 has 6 cross-referenced part numbers: 193A (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), HF1434 (Hobart Bros Co), 7030SIZE1-2 (Romac Industries, Inc. Dba Hays Fluid Controls Div Hays Fluid Controls Division), 193A (Hobart Bros Co), 7030 (United Industrial Corp) and 1 more.

What NSN replaces 4820-00-174-0323?

There are 12 known substitutes for 4820-00-174-0323: 3110-00-156-4257, 5325-00-286-6047, 4220-00-431-6517 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 193A?

Key specifications for 193A: Nominal Thread Size: 0.500 INCHES FIRST END IN; Material: COPPER ALLOY BODY; Thread Series Designator: NPT FIRST END; Nominal Thread Size: 0.500 INCHES SECOND END IN. 21 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-174-0323 still in active supply?

NSN 4820-00-174-0323 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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