PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

29Cock,drain

Essex Brass Corporation · NSN 4820-00-272-3332 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-272-3332 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-272-3332. Primary manufacturer part number: 29.
Features
  • Cock,drain — FSC 4820
  • Thread Direction: RIGHT-HAND FIRST END
  • Thread Series Designator: NPTF FIRST END
  • Nominal Thread Size: 0.125 INCHES FIRST END IN
  • Nominal Pipe Size Accommodated: 0.125 INCHES FIRST END IN
  • Connection Type: THREADED EXTERNAL PIPE FIRST END
  • Valve Operation Method: MANUAL
  • Nondefinitive Spec/std Data: 1 TYPE AND A STYLE AND 3 DESIGN
Applications
  • Applications requiring Copper Alloy Overall construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-00-272-3332, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 6 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
NSN4820-00-272-3332
Primary Part Number29
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEssex Brass Corporation
StatusCANCELLED
Thread DirectionRIGHT-HAND FIRST END
Thread Series DesignatorNPTF FIRST END
Nominal Thread Size0.125 INCHES FIRST END IN
Nominal Pipe Size Accommodated0.125 INCHES FIRST END IN
Connection TypeTHREADED EXTERNAL PIPE FIRST END
Valve Operation MethodMANUAL
Nondefinitive Spec/std Data1 TYPE AND A STYLE AND 3 DESIGN
Style DesignatorANGLE
MaterialCOPPER ALLOY OVERALL
Connection StylePLAIN (PIPE) FIRST END
Flow Control DevicePLUG
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.
4820-00-057-0694 INTERCHANGEABLE
Cock,drain
4820-00-197-4984 INTERCHANGEABLE
Cock,drain
4820-00-272-3336 INTERCHANGEABLE
Cock,drain
4820-00-272-3346 INTERCHANGEABLE
Cock,drain
4820-00-272-3353 INTERCHANGEABLE
Cock,plug
4820-00-275-2224 INTERCHANGEABLE
Cock,drain
4820-00-639-9224 INTERCHANGEABLE
Cock,plug
4820-00-684-0880 INTERCHANGEABLE
Cock,drain
4820-00-720-4488 INTERCHANGEABLE
Cock,drain
Cross-Reference Index
Part NumberManufacturer
29 Essex Brass Corporation (USA)
S4804-983050 PI Naval Ship Systems Command (USA)
AA59440/5-021 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
MILC1203 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MS35787-1 Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M
A-A-59440 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
A-A-59440/5 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
GCP 318 PIECE 2 M.t. Davidson Company (USA)
Related Parts
4820-00-026-8473INTERCHANGEABLE
COCK,DRAIN
009640
4820-00-057-0694INTERCHANGEABLE
COCK,DRAIN
4820-00-197-4984INTERCHANGEABLE
COCK,DRAIN
4820-00-272-3336INTERCHANGEABLE
COCK,DRAIN
4820-00-272-3346INTERCHANGEABLE
COCK,DRAIN
4820-00-272-3353INTERCHANGEABLE
COCK,PLUG
4820-00-275-2224INTERCHANGEABLE
COCK,DRAIN
4820-00-639-9224INTERCHANGEABLE
COCK,PLUG
4820-00-684-0880INTERCHANGEABLE
COCK,DRAIN
4820-00-720-4488INTERCHANGEABLE
COCK,DRAIN
4820-00-752-9040INTERCHANGEABLE
COCK,DRAIN
4820-00-845-1096INTERCHANGEABLE
COCK,DRAIN

Frequently Asked Questions

What is NSN 4820-00-272-3332?

NSN 4820-00-272-3332 is a Cock,drain, manufactured by Essex Brass Corporation, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-00-272-3332?

NSN 4820-00-272-3332 has 8 cross-referenced part numbers: 29 (Essex Brass Corporation), S4804-983050 PI (Naval Ship Systems Command), AA59440/5-021 (Federal Commercial Item Description Promulgated by General Services Administration Washington DC), MILC1203 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS35787-1 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M) and 3 more.

What NSN replaces 4820-00-272-3332?

There are 12 known substitutes for 4820-00-272-3332: 4820-00-026-8473, 4820-00-057-0694, 4820-00-197-4984 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 29?

Key specifications for 29: Thread Direction: RIGHT-HAND FIRST END; Thread Series Designator: NPTF FIRST END; Nominal Thread Size: 0.125 INCHES FIRST END IN; Nominal Pipe Size Accommodated: 0.125 INCHES FIRST END IN. 11 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-00-272-3332 still in active supply?

NSN 4820-00-272-3332 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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