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PartsTable / COMPONENT / IB640-2
IB640-2 ✓ Verified by PartsTable
ACT · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

ACT universal patch cable suitable for Ethernet, xDSL, telephony, 155/633 Mbps ATM, 100 VG anyLAN, 550 Mhz Broadband video and serial applications. As well 10, 100 as 1000 Mbps applications can run over this certified cable. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-247-3867, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
IB640-2
NSN: 4820-01-247-3867
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY SEAT
stem_typeRISING
valve_size2.000 INCHES IN
bonnet_typeINSIDE SCREW
connection_typeTHREADED INTERNAL PIPE
nominal_thread_size2.000 INCHES IN
valve_operation_methodMANUAL
bonnet_attachment_methodTHREADED
thread_series_designatorNPT
inlet_relationship_with_outletIDENTICAL
NSN4820-01-247-3867
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: IB640-2 · ACT ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
THREAD SERIES DESIGNATOR: NPT
•
CONNECTION TYPE: THREADED INTERNAL PIPE
•
MATERIAL: COPPER ALLOY STEM
•
VALVE OPERATION METHOD: MANUAL
•
NOMINAL THREAD SIZE: 2.000 INCHES IN
•
VALVE SIZE: 2.000 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
10171NInterchangeable
interchangeable cross-reference
interchangeable
854220Interchangeable
interchangeable cross-reference
interchangeable
41193-101-7Interchangeable
interchangeable cross-reference
interchangeable
16T1161Interchangeable
interchangeable cross-reference
interchangeable
T139Interchangeable
interchangeable cross-reference
interchangeable
30097Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is IB640-2?
IB640-2 is a VALVE,GATE manufactured by ACT.
What parts can replace IB640-2?
There are 17 known substitutes for IB640-2: 10171N, 854220, 41193-101-7 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for IB640-2?
IB640-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-247-3867. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026