PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 45D18
45D18 ✓ 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: STEEL COMP 8740 OVERALL, head_style: HEXAGON, grip_length: 0.440 INCHES NOMINAL IN, head_height: 0.250 INCHES NOMINAL IN, thread_length: 0.372 INCHES MINIMUM IN, fastener_length: 0.812 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 5306-00-272-3759, 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
45D18
NSN: 5306-00-272-3759
FSC: 5306
CAGE: 15555 — CURTISS-WRIGHT CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 8740 OVERALL
head_styleHEXAGON
grip_length0.440 INCHES NOMINAL IN
head_height0.250 INCHES NOMINAL IN
thread_length0.372 INCHES MINIMUM IN
fastener_length0.812 INCHES NOMINAL IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
surface_treatmentZINC OVERALL
width_between_flats0.500 INCHES NOMINAL IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-00-272-3759
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 45D18 · 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
•
GRIP LENGTH: 0.440 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.812 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
THREAD QUANTITY PER INCH: 24
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
NONSTANDARD THREAD PITCH DIAMETER: +0.2830 TO 0.2849 INCHES IN
•
WIDTH BETWEEN FLATS: 0.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
GRIP LENGTH0.440 INCHES NOMINAL IN
FASTENER LENGTH0.812 INCHES NOMINAL IN
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH24
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.312 INCHES IN
NONSTANDARD THREAD PITCH DIAMETER+0.2830 TO 0.2849 INCHES IN
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH127000 POUNDS PER SQUARE INCH LBS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
SME200185Upgraded Successor
successor cross-reference
successor
200185Upgraded Successor
successor cross-reference
successor
8881-200185Upgraded Successor
successor cross-reference
successor
37Interchangeable
interchangeable cross-reference
interchangeable
R7Interchangeable
interchangeable cross-reference
interchangeable
R7YInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 45D18?
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 45D18?
45D18 is a BOLT,MACHINE.
What parts can replace 45D18?
There are 10 known substitutes for 45D18: SME200185, 200185, 8881-200185 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 45D18?
45D18 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-272-3759. 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 — 45D18

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