PartsTable
Technical Data Sheet
PartsTable / COMPONENT / AN4-45
AN4-45 ✓ 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 TERMINAL,LUG is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 4.172 INCHES MINIMUM AND 4.203 INCHES MAXIMUM IN, head_height: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN, shank_length: 0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM 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 5306-00-151-1128, 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
AN4-45
NSN: 5306-00-151-1128
FSC: 5306
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
head_styleHEXAGON
grip_length4.172 INCHES MINIMUM AND 4.203 INCHES MAXIMUM IN
head_height0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
shank_length0.703 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN
thread_class3A A
thread_length0.515 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
overall_length1.609 INCHES NOMINAL IN
fastener_length4.641 INCHES MINIMUM AND 4.688 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
style_designatorROUND, CLOSED W/SHOULDER
thread_directionRIGHT-HAND
NSN5306-00-151-1128
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: AN4-45 · 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
•
FASTENER LENGTH: 4.641 INCHES MINIMUM AND 4.688 INCHES MAXIMUM IN
•
HEAD STYLE: HEXAGON
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
•
MINIMUM TENSILE STRENGTH: 125000 POUNDS PER SQUARE INCH LBS
•
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER: 4.484 INCHES MINIMUM AND 4.516 INCHES MAXIMUM FIRST HOLE IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
•
HEAD HEIGHT: 0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
•
FEATURES PROVIDED: FINISHED HEAD
TECHNICAL CHARACTERISTICS (FLIS)
FASTENER LENGTH4.641 INCHES MINIMUM AND 4.688 INCHES MAXIMUM IN
HEAD STYLEHEXAGON
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM OVERALL
MINIMUM TENSILE STRENGTH125000 POUNDS PER SQUARE INCH LBS
DISTANCE FROM HEAD LARGEST BEARING SURFACE TO SHANK HOLE CENTER4.484 INCHES MINIMUM AND 4.516 INCHES MAXIMUM FIRST HOLE IN
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
HEAD HEIGHT0.140 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN
FEATURES PROVIDEDFINISHED HEAD
MATERIALSTEEL COMP 4140 OR STEEL COMP 8740 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 4130 OR STEEL COMP 4037 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416 TY 2 CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
AN44-5Upgraded Successor
successor cross-reference
successor
5306PL1495047Upgraded Successor
successor cross-reference
successor
26-724Upgraded Successor
successor cross-reference
successor
479928Upgraded Successor
successor cross-reference
successor
591082Upgraded Successor
successor cross-reference
successor
7731AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy AN4-45?
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 AN4-45?
AN4-45 is a TERMINAL,LUG.
What parts can replace AN4-45?
There are 11 known substitutes for AN4-45: AN44-5, 5306PL1495047, 26-724 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN4-45?
AN4-45 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-151-1128. 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 — AN4-45

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