PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

46-3/4Cock,drain

Nibco Inc · NSN 4820-01-371-5726 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-371-5726 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-371-5726. Primary manufacturer part number: 46-3/4.
Features
  • Cock,drain — FSC 4820
  • Material: COPPER ALLOY BODY
  • Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
  • Media for Which Designed: WATER, FRESH FIRST RESPONSE
  • Media for Which Designed: OIL SECOND RESPONSE
  • Media for Which Designed: GAS, NATURAL THIRD RESPONSE
  • Flow Control Device: STEM
  • Maximum Operating Temp: 180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Applications
  • Applications requiring Copper Alloy Body construction
General Description

The Cock,drain, cataloged under National Stock Number 4820-01-371-5726, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Nibco Inc. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-371-5726
Primary Part Number46-3/4
Item NameCock,drain
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNibco Inc
StatusACTIVE
MaterialCOPPER ALLOY BODY
Operating Pressure125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
Media for Which DesignedWATER, FRESH FIRST RESPONSE
Media for Which DesignedOIL SECOND RESPONSE
Media for Which DesignedGAS, NATURAL THIRD RESPONSE
Flow Control DeviceSTEM
Maximum Operating Temp180.0 FAHRENHEIT SINGLE RESPONSE DEGF
Style DesignatorANGLE
Valve Operation MethodAUTOMATIC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5310-00-469-13064634 INTERCHANGEABLE
Washer,flat
Eaton Aerospace, Llc Dba Jackson South
5310-00-496-48884634 INTERCHANGEABLE
Nut,plain,hexagon
Terex Usa, Llc Dba Terex Equipment Services
5935-00-723-39501-644751-0 INTERCHANGEABLE
Connector,receptacle,electrical
Te Connectivity Corporation
6150-00-814-92914634 INTERCHANGEABLE
Cable Assembly,power,electrical
Electro Scientific Industries Inc
5960-01-020-1667254305 INTERCHANGEABLE
Electron Tube
Raytheon Company Dba Raytheon
4820-01-183-06294634 INTERCHANGEABLE
Valve,regulating,fluid Pressure
Altec Air, Llc Dba Altec Llc
5935-01-194-13234634 INTERCHANGEABLE
Connector Assembly,electrical
Oneil & Associates Inc
4820-01-252-067470652-22801-101 INTERCHANGEABLE
Valve,check
Sikorsky Aircraft Corporation Dba Sikorsky Aircraft Corp
5905-01-261-3639 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
5120-01-335-8162 INTERCHANGEABLE
Socket,socket Wrench
Cross-Reference Index
Part NumberManufacturer
46-3/4 Nibco Inc (USA)
Related Parts
5310-00-469-1306INTERCHANGEABLE
WASHER,FLAT
4634
5310-00-496-4888INTERCHANGEABLE
NUT,PLAIN,HEXAGON
4634
5935-00-723-3950INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
1-644751-0
6150-00-814-9291INTERCHANGEABLE
CABLE ASSEMBLY,POWER,ELECTRICAL
4634
5960-01-020-1667INTERCHANGEABLE
ELECTRON TUBE
254305
4820-01-183-0629INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4634
5935-01-194-1323INTERCHANGEABLE
CONNECTOR ASSEMBLY,ELECTRICAL
4634
4820-01-252-0674INTERCHANGEABLE
VALVE,CHECK
70652-22801-101
5905-01-261-3639INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
5120-01-335-8162INTERCHANGEABLE
SOCKET,SOCKET WRENCH
5340-01-362-2642INTERCHANGEABLE
BOLT ASSEMBLY,CLAMP
4634
2990-01-449-1755INTERCHANGEABLE
LEVER ASSEMBLY,POWER-SPEED CONTR
3341002007

Frequently Asked Questions

What is NSN 4820-01-371-5726?

NSN 4820-01-371-5726 is a Cock,drain, manufactured by Nibco Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-371-5726?

NSN 4820-01-371-5726 has 1 cross-referenced part number: 46-3/4 (Nibco Inc).

What NSN replaces 4820-01-371-5726?

There are 12 known substitutes for 4820-01-371-5726: 5310-00-469-1306, 5310-00-496-4888, 5935-00-723-3950 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 46-3/4?

Key specifications for 46-3/4: Material: COPPER ALLOY BODY; Operating Pressure: 125.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS; Media for Which Designed: WATER, FRESH FIRST RESPONSE; Media for Which Designed: OIL SECOND RESPONSE. 9 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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