PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

IB640-2Valve,gate

Nibco Inc Chemtrol Div · NSN 4820-01-247-3867 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-247-3867 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-247-3867. Primary manufacturer part number: IB640-2.
Features
  • Valve,gate — FSC 4820
  • Thread Series Designator: NPT
  • Connection Type: THREADED INTERNAL PIPE
  • Material: COPPER ALLOY STEM
  • Material: COPPER ALLOY BODY
  • Valve Operation Method: MANUAL
  • Nominal Thread Size: 2.000 INCHES IN
  • Material: COPPER ALLOY DISK
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy Stem construction
General Description

The Valve,gate, cataloged under National Stock Number 4820-01-247-3867, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Nibco Inc Chemtrol Div. Government technical data includes 13 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-247-3867
Primary Part NumberIB640-2
Item NameValve,gate
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerNibco Inc Chemtrol Div
StatusACTIVE
Thread Series DesignatorNPT
Connection TypeTHREADED INTERNAL PIPE
MaterialCOPPER ALLOY STEM
MaterialCOPPER ALLOY BODY
Valve Operation MethodMANUAL
Nominal Thread Size2.000 INCHES IN
MaterialCOPPER ALLOY DISK
Valve Size2.000 INCHES IN
Bonnet Attachment MethodTHREADED
Inlet Relationship with OutletIDENTICAL
Bonnet TypeINSIDE SCREW
MaterialCOPPER ALLOY SEAT
Stem TypeRISING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5999-00-020-9534 INTERCHANGEABLE
Mounting Pad,electrical-Electron
3110-00-100-0286567 INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
4820-00-595-1847B-100-2IN INTERCHANGEABLE
Valve,gate
Stockham Valves and Fittings Inc
3020-00-875-4773205MFM1 INTERCHANGEABLE
Gear,spur
Linde Material Handling North America Corporation
Cross-Reference Index
Part NumberManufacturer
M-15192 Mueller Brass Co. (USA)
IB640-2 Hammond Valve Corp (USA)
1B640-2 Nibco Inc (USA)
T111-2 Nibco Pvf Marketing Inc (USA)
V-1032-2IN Mueller Brass Co. (USA)
IB640-2 PRIMARY Nibco Inc Chemtrol Div (USA)
051464-6 Uniflite Inc (USA)
IB640-2 Nibco Inc (USA)
Related Parts
5999-00-020-9534INTERCHANGEABLE
MOUNTING PAD,ELECTRICAL-ELECTRON
3110-00-100-0286INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
567
4820-00-595-1847INTERCHANGEABLE
VALVE,GATE
B-100-2IN
3020-00-875-4773INTERCHANGEABLE
GEAR,SPUR
205MFM1

Frequently Asked Questions

What is NSN 4820-01-247-3867?

NSN 4820-01-247-3867 is a Valve,gate, manufactured by Nibco Inc Chemtrol Div, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-247-3867?

NSN 4820-01-247-3867 has 8 cross-referenced part numbers: M-15192 (Mueller Brass Co.), IB640-2 (Hammond Valve Corp), 1B640-2 (Nibco Inc), T111-2 (Nibco Pvf Marketing Inc), V-1032-2IN (Mueller Brass Co.) and 3 more.

What NSN replaces 4820-01-247-3867?

There are 4 known substitutes for 4820-01-247-3867: 5999-00-020-9534, 3110-00-100-0286, 4820-00-595-1847 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of IB640-2?

Key specifications for IB640-2: Thread Series Designator: NPT; Connection Type: THREADED INTERNAL PIPE; Material: COPPER ALLOY STEM; Material: COPPER ALLOY BODY. 13 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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