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PartsTable / COMPONENT / A476-B40
A476-B40 ✓ 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 SETSCREW is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.562 INCHES NOMINAL IN, point_style: BALL, point_length: 4.250 INCHES NOMINAL IN, thread_class: 2A 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 5305-00-499-6602, 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
A476-B40
NSN: 5305-00-499-6602
FSC: 5305
CAGE: 44579 — OHIO INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.562 INCHES NOMINAL IN
point_styleBALL
point_length4.250 INCHES NOMINAL IN
thread_class2A A
thread_length0.750 INCHES NOMINAL IN
point_diameter0.500 INCHES NOMINAL IN
fastener_length5.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats1.000 INCHES NOMINAL IN
internal_drive_styleW/O INTERNAL DRIVE
NSN5305-00-499-6602
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A476-B40 · 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: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 0.750 INCHES NOMINAL IN
•
FASTENER LENGTH: 5.000 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL OVERALL
•
POINT DIAMETER: 0.500 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.750 INCHES IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS1.000 INCHES NOMINAL IN
THREAD LENGTH0.750 INCHES NOMINAL IN
FASTENER LENGTH5.000 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL OVERALL
POINT DIAMETER0.500 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.750 INCHES IN
THREAD CLASS2A A
POINT STYLEBALL
HEAD HEIGHT0.562 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
94190Interchangeable
interchangeable cross-reference
interchangeable
41623Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-755Interchangeable
interchangeable cross-reference
interchangeable
AS4283Interchangeable
interchangeable cross-reference
interchangeable
GGG-W-641Interchangeable
interchangeable cross-reference
interchangeable
B40Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A476-B40?
A476-B40 is a SETSCREW.
What parts can replace A476-B40?
There are 15 known substitutes for A476-B40: 94190, 41623, GGG-C-755 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A476-B40?
A476-B40 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-499-6602. 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