PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

EEP-9 1/2INCock,drain

Ernst Flow Industries Llc Div Ernst Flow Industries · NSN 4820-01-274-0310 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-274-0310 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-274-0310. Primary manufacturer part number: EEP-9 1/2IN.
Features
  • Cock,drain — FSC 4820
  • Style Designator: STRAIGHT THRU
  • Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Nominal Thread Size: 0.500 INCHES FIRST END IN
  • Media for Which Designed: AIR SINGLE RESPONSE
  • Thread Series Designator: NPT FIRST END
  • Material: COPPER ALLOY BODY
  • Valve Operation Method: MANUAL
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-274-0310, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Ernst Flow Industries Llc Div Ernst Flow Industries. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-274-0310
Primary Part NumberEEP-9 1/2IN
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerErnst Flow Industries Llc Div Ernst Flow Industries
StatusCANCELLED
Style DesignatorSTRAIGHT THRU
Operating Pressure100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Nominal Thread Size0.500 INCHES FIRST END IN
Media for Which DesignedAIR SINGLE RESPONSE
Thread Series DesignatorNPT FIRST END
MaterialCOPPER ALLOY BODY
Valve Operation MethodMANUAL
Connection StylePLAIN (PIPE) FIRST END
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Thread DirectionRIGHT-HAND FIRST END
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 5
3110-00-183-9896A718R INTERCHANGEABLE
Roller,bearing
Kaydon Corporation Dba Kaydon Corp
3010-00-966-9836 INTERCHANGEABLE
Coupling,shaft,flexible
6685-01-073-313227148 INTERCHANGEABLE
Indicator,pressure
Pall Aeropower Corporation
3110-01-137-397928944RP INTERCHANGEABLE
Bearing,ball,annular
Alliance Laundry Systems Llc
6130-01-627-098027148 INTERCHANGEABLE
Power Supply
Kepco, Inc. Dba Kepco Inc Div Kepco Dynatronix
Cross-Reference Index
Part NumberManufacturer
825-00122-000 Aqua-Chem, Inc. Dba Aqua-Chem Inc (USA)
EEP-9 1/2IN PRIMARY Ernst Flow Industries Llc Div Ernst Flow Industries (USA)
825-122 Aqua-Chem, Inc. (USA)
271-48 Aqua-Chem, Inc. (USA)
825-00122-000 Aqua-Chem, Inc. (USA)
651-174 Aqua-Chem, Inc. (USA)
271-48 ITEM 10 Aqua-Chem, Inc. (USA)
651-174 ITEM 13 Aqua-Chem, Inc. (USA)
Related Parts
3110-00-183-9896INTERCHANGEABLE
ROLLER,BEARING
A718R
3010-00-966-9836INTERCHANGEABLE
COUPLING,SHAFT,FLEXIBLE
6685-01-073-3132INTERCHANGEABLE
INDICATOR,PRESSURE
27148
3110-01-137-3979INTERCHANGEABLE
BEARING,BALL,ANNULAR
28944RP
6130-01-627-0980INTERCHANGEABLE
POWER SUPPLY
27148

Frequently Asked Questions

What is NSN 4820-01-274-0310?

NSN 4820-01-274-0310 is a Cock,drain, manufactured by Ernst Flow Industries Llc Div Ernst Flow Industries, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-274-0310?

NSN 4820-01-274-0310 has 8 cross-referenced part numbers: 825-00122-000 (Aqua-Chem, Inc. Dba Aqua-Chem Inc), EEP-9 1/2IN (Ernst Flow Industries Llc Div Ernst Flow Industries), 825-122 (Aqua-Chem, Inc.), 271-48 (Aqua-Chem, Inc.), 825-00122-000 (Aqua-Chem, Inc.) and 3 more.

What NSN replaces 4820-01-274-0310?

There are 5 known substitutes for 4820-01-274-0310: 3110-00-183-9896, 3010-00-966-9836, 6685-01-073-3132 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of EEP-9 1/2IN?

Key specifications for EEP-9 1/2IN: Style Designator: STRAIGHT THRU; Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Nominal Thread Size: 0.500 INCHES FIRST END IN; Media for Which Designed: AIR SINGLE RESPONSE. 10 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-274-0310 still in active supply?

NSN 4820-01-274-0310 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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