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Technical Data Sheet
PartsTable / COMPONENT / B20-1
B20-1 ✓ 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 VALVE ASSEMBLY,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, pail_hook: NOT PROVIDED, thickness: 0.125 INCHES NOMINAL IN, hose/spray: NOT INCLUDED, handle_type: LEVER, seat_design: ROTATING CARTRIDGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 1730-00-133-6989, 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
B20-1
NSN: 1730-00-133-6989
FSC: 1730
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
pail_hookNOT PROVIDED
thickness0.125 INCHES NOMINAL IN
hose/sprayNOT INCLUDED
handle_typeLEVER
seat_designROTATING CARTRIDGE
soap_holderNOT INCLUDED
swing_spoutNOT PROVIDED
hole_diameter0.531 INCHES NOMINAL IN
mounting_typeVERTICAL PIPE
gooseneck_spoutNOT PROVIDED
overall_diameter0.875 INCHES NOMINAL IN
NSN1730-00-133-6989
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE ASSEMBLY,EXHAUST TITLE COMPONENT PN B20-1 MFR VALVE ASSEMBLY,EXHAUST
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
108A5Interchangeable
interchangeable cross-reference
interchangeable
B20-1Interchangeable
interchangeable cross-reference
interchangeable
PB201Interchangeable
interchangeable cross-reference
interchangeable
B7212-234-20-1Interchangeable
interchangeable cross-reference
interchangeable
STK 332Interchangeable
interchangeable cross-reference
interchangeable
922909 SIZE B BOX/SHIMSInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is B20-1?
B20-1 is a VALVE ASSEMBLY,EXHAUST.
What parts can replace B20-1?
There are 7 known substitutes for B20-1: 108A5, B20-1, PB201 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for B20-1?
B20-1 is cataloged in the Federal Logistics Information System (FLIS) under NSN 1730-00-133-6989. 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