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PartsTable / COMPONENT / G45-20
G45-20 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The BREAKER,FLUSH VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, end_style: 90 DEGREE PARALLEL, ring_style: INTERNAL, usage_design: EXTERNAL OR INTERNAL, inside_diameter: 1.187 INCHES NOMINAL IN, outside_diameter: 1.531 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4510-01-380-1690, 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
G45-20
NSN: 4510-01-380-1690
FSC: 4510
CAGE: 66398 — SEA-TECH SYSTEMS, INC. DBA SEA TECH SYSTEMS (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
end_style90 DEGREE PARALLEL
ring_styleINTERNAL
usage_designEXTERNAL OR INTERNAL
inside_diameter1.187 INCHES NOMINAL IN
outside_diameter1.531 INCHES NOMINAL IN
material_diameter0.035 INCHES NOMINAL IN
surface_treatmentPASSIVATE
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
general_characteristics_item_description3/4 IN. IN
NSN4510-01-380-1690
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available BREAKER,FLUSH VALVE TITLE COMPONENT PN G45-20 MFR BREAKER,FLUSH VALVE
KEY FEATURES
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: 3/4 IN. IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION3/4 IN. IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
8BInterchangeable
interchangeable cross-reference
interchangeable
107772PC181Interchangeable
interchangeable cross-reference
interchangeable
90022PC181Interchangeable
interchangeable cross-reference
interchangeable
107672PC181Interchangeable
interchangeable cross-reference
interchangeable
A-A-52491Interchangeable
interchangeable cross-reference
interchangeable
709691Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is G45-20?
G45-20 is a BREAKER,FLUSH VALVE.
What parts can replace G45-20?
There are 17 known substitutes for G45-20: 8B, 107772PC181, 90022PC181 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for G45-20?
G45-20 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4510-01-380-1690. 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