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35B18-3/4 — Technical Data Sheet

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— · 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

VALVE ASSEMBLY,ENVIRONMENTAL CON. Key specifications include material: STEEL, bore_type: STRAIGHT, face_width: 0.168 INCHES MAXIMUM IN, bore_length: 0.750 INCHES NOMINAL IN, design_form: PLAIN, thread_size: 5/16-18. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-240-1445, 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
35B18-3/4
NSN: 3020-01-240-1445
FSC: 3020
CAGE: 71041 — ALTRA INDUSTRIAL MOTION CORP. (USA)
SPECIFICATIONS
materialSTEEL
quantity1
bore_typeSTRAIGHT
face_width0.168 INCHES MAXIMUM IN
bore_length0.750 INCHES NOMINAL IN
design_formPLAIN
thread_size5/16-18
tooth_pitch0.375 INCHES NOMINAL IN
keyway_width0.188 INCHES NOMINAL IN
bore_diameter0.750 INCHES NOMINAL IN
hole_locationTOP OF KEYWAY
overall_length0.750 INCHES NOMINAL IN
NSN3020-01-240-1445
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available VALVE ASSEMBLY,ENVIRONMENTAL CON TITLE COMPONENT PN 35B18-3/4 MFR VALVE ASSEMBLY,ENVIRON
KEY FEATURES
•
HARDNESS RATING TEST METHOD: NOT RATED
•
SECURING METHOD: SETSCREW
•
DISTANCE FROM HUB END TO FLANGE END: 0.582 INCHES NOMINAL AA END IN
•
MATERIAL: STEEL
•
STYLE DESIGNATOR: PLAIN
•
BORE DIAMETER: 0.750 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 2.350 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
HARDNESS RATING TEST METHODNOT RATED
SECURING METHODSETSCREW
DISTANCE FROM HUB END TO FLANGE END0.582 INCHES NOMINAL AA END IN
MATERIALSTEEL
STYLE DESIGNATORPLAIN
OVERALL LENGTH0.750 INCHES NOMINAL IN
BORE DIAMETER0.750 INCHES NOMINAL IN
OUTSIDE DIAMETER2.350 INCHES NOMINAL IN
SECURING HOLE QUANTITY1
KEYWAY WIDTH0.188 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
149-3/4Interchangeable
interchangeable cross-reference
interchangeable
GGG-P-833Interchangeable
interchangeable cross-reference
interchangeable
3427A19Interchangeable
interchangeable cross-reference
interchangeable
1271IInterchangeable
interchangeable cross-reference
interchangeable
1807A1Interchangeable
interchangeable cross-reference
interchangeable
35P102Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 35B18-3/4?
35B18-3/4 is a VALVE ASSEMBLY,ENVIRONMENTAL CON.
What parts can replace 35B18-3/4?
There are 6 known substitutes for 35B18-3/4: 149-3/4, GGG-P-833, 3427A19 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 35B18-3/4?
35B18-3/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-01-240-1445. This indicates validated use in U.S. government and defense supply chains.
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Last verified: September 2026