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Technical Data Sheet
PartsTable / COMPONENT / 20-106-08018L
20-106-08018L ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: SPLINE EXTENDED WASHER, head_height: 0.450 INCHES NOMINAL IN, head_length: 0.555 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.863 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 5306-01-547-7899, 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
20-106-08018L
NSN: 5306-01-547-7899
FSC: 5306
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleSPLINE EXTENDED WASHER
head_height0.450 INCHES NOMINAL IN
head_length0.555 INCHES NOMINAL IN
thread_class3A A
thread_length0.863 INCHES NOMINAL IN
fastener_length1.988 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
head_minor_diameter0.555 INCHES NOMINAL IN
nominal_thread_diameter0.500 INCHES IN
extended_washer_diameter0.927 INCHES NOMINAL IN
NSN5306-01-547-7899
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 20-106-08018L · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: NICKEL ALLOY 718 OVERALL
•
EXTENDED WASHER DIAMETER: 0.927 INCHES NOMINAL IN
•
THREAD CLASS: 3A A
•
HEAD MINOR DIAMETER: 0.555 INCHES NOMINAL IN
•
EXTENDED WASHER THICKNESS: 0.072 INCHES NOMINAL IN
•
HEAD STYLE: SPLINE EXTENDED WASHER
•
THREAD QUANTITY PER INCH: 20
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALNICKEL ALLOY 718 OVERALL
EXTENDED WASHER DIAMETER0.927 INCHES NOMINAL IN
THREAD CLASS3A A
SPECIAL FEATURESTHERE ARE TWENTH TEETH IN THE SPLINE; THE DIAMETER OF THE SPLINE IS NOMINAL 0.554; DIAMETER OF THE WASHER IS 0L917 NOMINAL; GRIP LENGTH IS 1.125 INCHES NOMINAL; FASTENER/SCREW IS 1.988 INCHES NOMINAL; BASIC DWG IS 20-106 BELL HELICOPTER IN
HEAD MINOR DIAMETER0.555 INCHES NOMINAL IN
EXTENDED WASHER THICKNESS0.072 INCHES NOMINAL IN
HEAD STYLESPLINE EXTENDED WASHER
THREAD QUANTITY PER INCH20
HEAD HEIGHT0.450 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.500 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
201.006Upgraded Successor
successor cross-reference
successor
201.06Upgraded Successor
successor cross-reference
successor
20-106Upgraded Successor
20106
successor
20-106-06032LUpgraded Successor
successor cross-reference
successor
20-106-09034Upgraded Successor
successor cross-reference
successor
20-106-07028Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 20-106-08018L?
20-106-08018L is a BOLT,MACHINE.
What parts can replace 20-106-08018L?
There are 12 known substitutes for 20-106-08018L: 201.006, 201.06, 20-106 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-106-08018L?
20-106-08018L is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-547-7899. 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