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1B656-1/2 — Technical Data Sheet

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— · 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

The VALVE,GATE is a the manufacturer industrial component. Key specifications include shaft_type: ROUND SINGLE ACTUATOR, shaft_length: 1.313 INCHES NOMINAL SINGLE ACTUATOR IN, thread_class: 2A SINGLE MOUNTING FACILITY A, overall_width: 1.593 INCHES NOMINAL IN, terminal_type: TAB, SOLDER LUG, thread_length: 0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-011-4065, 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
1B656-1/2
NSN: 4820-01-011-4065
FSC: 4820
CAGE: 14448 — HAMMOND VALVE CORP (USA)
SPECIFICATIONS
shaft_typeROUND SINGLE ACTUATOR
shaft_length1.313 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
overall_width1.593 INCHES NOMINAL IN
terminal_typeTAB, SOLDER LUG
thread_length0.250 INCHES NOMINAL SINGLE MOUNTING FACILITY IN
overall_height1.875 INCHES NOMINAL IN
overall_length2.679 INCHES NOMINAL IN
shaft_diameter0.250 INCHES NOMINAL SINGLE ACTUATOR IN
mounting_methodTHREADED BUSHING SINGLE MOUNTING FACILITY
style_designatorCIRCULAR WAFER, BUSHING MOUNT
nominal_thread_size0.375 INCHES SINGLE MOUNTING FACILITY IN
NSN4820-01-011-4065
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 1B656-1/2 · OEM ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
608D58AInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
2382InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
80-112-12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
TYPE 12FInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
21716GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
DIE78YInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1B656-1/2?
1B656-1/2 is a VALVE,GATE.
What parts can replace 1B656-1/2?
There are 18 known substitutes for 1B656-1/2: 608D58A, 2382, 80-112-12 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1B656-1/2?
1B656-1/2 is cataloged in the Federal Logistics Information System under NSN 4820-01-011-4065. 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: September 2026