PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SC53Cock,plug

Essex Brass Corporation · NSN 4820-00-272-3356 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-272-3356 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-272-3356. Primary manufacturer part number: SC53.
Features
  • Cock,plug — FSC 4820
  • Nondefinitive Spec/std Data: 2 TYPE AND A STYLE AND 1 DESIGN AND 2 DESIGN
  • Media for Which Designed: STEAM FIRST RESPONSE
  • Connection Style: PLAIN, OPTIONAL END (PIPE) SECOND END
  • Thread Direction: RIGHT-HAND ALL ENDS
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Valve Operation Method: MANUAL
  • Features Provided: NONADJUSTABLE ROTATION
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,plug, cataloged under National Stock Number 4820-00-272-3356, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Essex Brass Corporation. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-272-3356
Primary Part NumberSC53
Item NameCock,plug
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEssex Brass Corporation
StatusACTIVE
Nondefinitive Spec/std Data2 TYPE AND A STYLE AND 1 DESIGN AND 2 DESIGN
Media for Which DesignedSTEAM FIRST RESPONSE
Connection StylePLAIN, OPTIONAL END (PIPE) SECOND END
Thread DirectionRIGHT-HAND ALL ENDS
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Valve Operation MethodMANUAL
Features ProvidedNONADJUSTABLE ROTATION
Connection TypeTHREADED INTERNAL PIPE SECOND END
Nominal Thread Size0.250 INCHES ALL ENDS IN
Media for Which DesignedWATER-OIL-GAS SECOND RESPONSE
Operating Pressure300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MaterialCOPPER ALLOY OVERALL
Thread Series DesignatorNPT ALL ENDS
Flow StyleTWO WAY TWO PORT 360 DEGREE PLUG TURN
Connection StylePLAIN (PIPE) FIRST END
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2520-00-773-549617144-3 INTERCHANGEABLE
Shaft,axle,automotive
Dana Corp Spicer Transmission Div
4820-01-352-4836 INTERCHANGEABLE
Valve,ball
Cross-Reference Index
Part NumberManufacturer
SC53 Essex Brass Corporation (USA)
MILC1203 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
GL9 Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash (USA)
CND1000A Naval Inventory Control Point Mechanicsburg (USA)
Related Parts
2520-00-773-5496INTERCHANGEABLE
SHAFT,AXLE,AUTOMOTIVE
17144-3
4820-01-352-4836INTERCHANGEABLE
VALVE,BALL

Frequently Asked Questions

What is NSN 4820-00-272-3356?

NSN 4820-00-272-3356 is a Cock,plug, manufactured by Essex Brass Corporation, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-272-3356?

NSN 4820-00-272-3356 has 4 cross-referenced part numbers: SC53 (Essex Brass Corporation), MILC1203 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), GL9 (Gardner Denver Nash Llc Dba Gardner Denver Engineered Products Group Div Gardner Denver Nash), CND1000A (Naval Inventory Control Point Mechanicsburg).

What NSN replaces 4820-00-272-3356?

There are 2 known substitutes for 4820-00-272-3356: 2520-00-773-5496, 4820-01-352-4836. Verify interchangeability with system specifications before substitution.

What are the specifications of SC53?

Key specifications for SC53: Nondefinitive Spec/std Data: 2 TYPE AND A STYLE AND 1 DESIGN AND 2 DESIGN; Media for Which Designed: STEAM FIRST RESPONSE; Connection Style: PLAIN, OPTIONAL END (PIPE) SECOND END; Thread Direction: RIGHT-HAND ALL ENDS. 15 total characteristics are documented in the Federal Logistics Information System.

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