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Technical Data Sheet
PartsTable / COMPONENT / 5B23
5B23 ✓ 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 THUMBSCREW is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, hole_type: DRILLED, head_style: WING NO. 2, head_height: 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN, point_style: CONE, thread_class: 3A A.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-215-6427, 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
5B23
NSN: 5305-00-215-6427
FSC: 5305
CAGE: 43999 — THE BOEING COMPANY DIV LEGACY AM&M (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
hole_typeDRILLED
head_styleWING NO. 2
head_height0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
point_styleCONE
thread_class3A A
hole_diameter0.070 INCHES NOMINAL IN
hole_quantity1
thread_length0.750 INCHES MINIMUM IN
fastener_length5.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
NSN5305-00-215-6427
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5B23 · 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
•
WIDTH BETWEEN FLATS: 0.828 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 32
•
THREAD DIRECTION: RIGHT-HAND
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
HOLE QUANTITY: 1
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
THREAD SERIES DESIGNATOR: UNF
•
HEAD HEIGHT: 0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.828 INCHES MINIMUM AND 0.858 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH32
THREAD DIRECTIONRIGHT-HAND
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-630 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-631 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
HOLE QUANTITY1
NOMINAL THREAD DIAMETER0.190 INCHES IN
THREAD SERIES DESIGNATORUNF
HEAD HEIGHT0.422 INCHES MINIMUM AND 0.452 INCHES MAXIMUM IN
THREAD CLASS3A A
HEAD STYLEWING NO. 2
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
1330LInterchangeable
interchangeable cross-reference
interchangeable
2006 5/32Interchangeable
interchangeable cross-reference
interchangeable
12017Interchangeable
interchangeable cross-reference
interchangeable
01473Interchangeable
interchangeable cross-reference
interchangeable
5570121Interchangeable
interchangeable cross-reference
interchangeable
UI00552Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5B23?
5B23 is a THUMBSCREW.
What parts can replace 5B23?
There are 10 known substitutes for 5B23: 1330L, 2006 5/32, 12017 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5B23?
5B23 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-215-6427. 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