PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-A-59440/4-015Cock,drain

Federal Commercial Item Description Promulgated by General Services Administration Washington DC · NSN 4820-00-197-4984 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-197-4984 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-197-4984. Primary manufacturer part number: A-A-59440/4-015.
Features
  • Cock,drain — FSC 4820
  • Material: COPPER ALLOY OVERALL
  • Style Designator: STRAIGHT THRU
  • Valve Operation Method: MANUAL
  • Thread Direction: RIGHT-HAND FIRST END
  • Media for Which Designed: STEAM SINGLE RESPONSE
  • Flow Control Device: PLUG
  • Style Designator: STRAIGHT THRU
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-00-197-4984, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Federal Commercial Item Description Promulgated by General Services Administration Washington DC. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 7 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
NSN4820-00-197-4984
Primary Part NumberA-A-59440/4-015
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFederal Commercial Item Description Promulgated by General Services Administration Washington DC
StatusCANCELLED
MaterialCOPPER ALLOY OVERALL
Style DesignatorSTRAIGHT THRU
Valve Operation MethodMANUAL
Thread DirectionRIGHT-HAND FIRST END
Media for Which DesignedSTEAM SINGLE RESPONSE
Flow Control DevicePLUG
Style DesignatorSTRAIGHT THRU
Thread Series DesignatorNPTF FIRST END
MaterialCOPPER ALLOY OVERALL
Nominal Thread Size0.250 INCHES FIRST END IN
Media for Which DesignedSTEAM SINGLE RESPONSE
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-B-626 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,ALLOY 360 FED SPEC 2ND MATERIAL RESPONSE BODY
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Material Document and ClassificationQQ-B-626 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-626,ALLOY 360 FED SPEC 2ND MATERIAL RESPONSE BODY
Nominal Pipe Size Accommodated0.250 INCHES FIRST END IN
Thread Series DesignatorNPTF FIRST END
Nominal Thread Size0.250 INCHES FIRST END IN
Thread Quantity Per Inch18 FIRST END
Thread Quantity Per Inch18 FIRST END
Connection StylePLAIN (PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-026-8473009640 INTERCHANGEABLE
Cock,drain
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
6750-00-030-7802 INTERCHANGEABLE
Paper,copying,diazo Process
6750-00-037-9100 INTERCHANGEABLE
Paper,copying,diazo Process
4820-00-057-0694 INTERCHANGEABLE
Cock,drain
6750-00-097-0171 INTERCHANGEABLE
Paper,copying,diazo Process
6750-00-137-953448PE INTERCHANGEABLE
Paper,copying,diazo Process
Rexham Graphics Inc
6750-00-138-890421-2145 ALBANIZED TRANSPARENT INTERCHANGEABLE
Paper,copying,diazo Process
Keuffel and Esser Co
4820-00-272-3332 INTERCHANGEABLE
Cock,drain
4820-00-272-3346 INTERCHANGEABLE
Cock,drain
4820-00-272-3353 INTERCHANGEABLE
Cock,plug
Cross-Reference Index
Part NumberManufacturer
A-A-59440/4-015 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
42E Imperial (USA)
A-A-59440/4 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59440 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MS35785-2 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
41-660-04 Aalberts Integrated Piping Systems Americas, Inc. (USA)
411-1488 Continental Electronics Corp (USA)
980 1/4 Lunkenheimer Co (USA)
SC64-L Essex Brass Corporation (USA)
Related Parts
4820-00-026-8473INTERCHANGEABLE
COCK,DRAIN
009640
6750-00-030-7802INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
6750-00-037-9100INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
4820-00-057-0694INTERCHANGEABLE
COCK,DRAIN
6750-00-097-0171INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
6750-00-137-9534INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
48PE
6750-00-138-8904INTERCHANGEABLE
PAPER,COPYING,DIAZO PROCESS
21-2145 ALBANIZED TRANSPARENT
4820-00-272-3332INTERCHANGEABLE
COCK,DRAIN
4820-00-272-3346INTERCHANGEABLE
COCK,DRAIN
4820-00-272-3353INTERCHANGEABLE
COCK,PLUG
4820-00-275-2224INTERCHANGEABLE
COCK,DRAIN
4820-00-304-3733INTERCHANGEABLE
VALVE,ANGLE
9801-1

Frequently Asked Questions

What is NSN 4820-00-197-4984?

NSN 4820-00-197-4984 is a Cock,drain, manufactured by Federal Commercial Item Description Promulgated by General Services Administration Washington DC, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-197-4984?

NSN 4820-00-197-4984 has 9 cross-referenced part numbers: A-A-59440/4-015 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), 42E (Imperial), A-A-59440/4 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), A-A-59440 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MS35785-2 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 4 more.

What NSN replaces 4820-00-197-4984?

There are 12 known substitutes for 4820-00-197-4984: 4820-00-026-8473, 6750-00-030-7802, 6750-00-037-9100 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-A-59440/4-015?

Key specifications for A-A-59440/4-015: Material: COPPER ALLOY OVERALL; Style Designator: STRAIGHT THRU; Valve Operation Method: MANUAL; Thread Direction: RIGHT-HAND FIRST END. 22 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-197-4984 still in active supply?

NSN 4820-00-197-4984 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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