PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 4-40NC2AX1-4BHD
4-40NC2AX1-4BHD ✓ 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 SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: BINDING, head_height: 0.068 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.235 INCHES NOMINAL IN, thread_length: 0.250 INCHES MAXIMUM IN, screw_material: STEEL CORROSION RESISTING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-847-3902, 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
4-40NC2AX1-4BHD
NSN: 5305-00-847-3902
FSC: 5305
CAGE: 08547 — WALLACE R G CO DIV OF DUCOMMUN INC (USA)
SPECIFICATIONS
head_styleBINDING
head_height0.068 INCHES NOMINAL IN
thread_class2A A
head_diameter0.235 INCHES NOMINAL IN
thread_length0.250 INCHES MAXIMUM IN
screw_materialSTEEL CORROSION RESISTING
fastener_length0.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleCROSS RECESS TYPE 1
nominal_thread_diameter0.112 INCHES IN
screw_surface_treatmentPASSIVATE
thread_quantity_per_inch40
NSN5305-00-847-3902
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 4-40NC2AX1-4BHD · 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
•
NOMINAL THREAD DIAMETER: 0.112 INCHES IN
•
HEAD STYLE: BINDING
•
THREAD CLASS: 2A A
•
FASTENER LENGTH: 0.250 INCHES NOMINAL IN
•
SCREW MATERIAL: STEEL CORROSION RESISTING
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
HEAD DIAMETER: 0.235 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD DIAMETER0.112 INCHES IN
HEAD STYLEBINDING
THREAD CLASS2A A
FASTENER LENGTH0.250 INCHES NOMINAL IN
SCREW MATERIALSTEEL CORROSION RESISTING
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
HEAD DIAMETER0.235 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.250 INCHES MAXIMUM IN
HEAD HEIGHT0.068 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
8415001639048Interchangeable
interchangeable cross-reference
interchangeable
LP/P DES 5-78Interchangeable
interchangeable cross-reference
interchangeable
8-2-611Interchangeable
interchangeable cross-reference
interchangeable
30036Interchangeable
interchangeable cross-reference
interchangeable
8926K321Interchangeable
interchangeable cross-reference
interchangeable
3101-0017Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 4-40NC2AX1-4BHD?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 4-40NC2AX1-4BHD?
4-40NC2AX1-4BHD is a SCREW,MACHINE.
What parts can replace 4-40NC2AX1-4BHD?
There are 13 known substitutes for 4-40NC2AX1-4BHD: 8415001639048, LP/P DES 5-78, 8-2-611 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 4-40NC2AX1-4BHD?
4-40NC2AX1-4BHD is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-847-3902. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 4-40NC2AX1-4BHD

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026