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Technical Data Sheet
PartsTable / COMPONENT / 155623
155623 ✓ Verified by PartsTable
— · 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include material: STEEL OVERALL, thread_class: 2B ALL ENDS, connection_type: THREADED INTERNAL BOSS ALL ENDS, connection_style: GASKET SEAL (BOSS) ALL ENDS, style_designator: STRAIGHT THRU, thread_direction: RIGHT-HAND ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-916-1851, 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
155623
NSN: 4820-00-916-1851
FSC: 4820
CAGE: 77521 — BOSCH AUTOMATION TECHNOLOGY (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2B ALL ENDS
connection_typeTHREADED INTERNAL BOSS ALL ENDS
connection_styleGASKET SEAL (BOSS) ALL ENDS
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
mounting_facilityBRACKET(S)
mounting_positionHORIZONTAL OR VERTICAL
surface_treatmentPAINT
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
disk_loading_methodSPRING
flow_control_deviceDISK
NSN4820-00-916-1851
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 155623 · 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
KEY FEATURES
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
•
CENTER TO CENTER DISTANCE: 2.000 INCHES IN
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
MOUNTING POSITION: HORIZONTAL OR VERTICAL
•
VALVE OPERATION METHOD: AUTOMATIC
•
CONNECTION STYLE: GASKET SEAL (BOSS) ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
CENTER TO CENTER DISTANCE2.000 INCHES IN
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
THREAD DIRECTIONRIGHT-HAND ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
MOUNTING POSITIONHORIZONTAL OR VERTICAL
VALVE OPERATION METHODAUTOMATIC
CONNECTION STYLEGASKET SEAL (BOSS) ALL ENDS
DISK LOADING METHODSPRING
FLOW CONTROL DEVICEDISK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
989084-4CInterchangeable
interchangeable cross-reference
interchangeable
16066Interchangeable
interchangeable cross-reference
interchangeable
11781Interchangeable
interchangeable cross-reference
interchangeable
GGG-F-325Interchangeable
interchangeable cross-reference
interchangeable
ED16066-1Interchangeable
interchangeable cross-reference
interchangeable
162-193Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 155623?
155623 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 155623?
There are 19 known substitutes for 155623: 989084-4C, 16066, 11781 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 155623?
155623 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-916-1851. 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