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ST3M744-5D23 — BOLT,CLOSE TOLERANCE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

ST3M744-5D23: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 1.4375 INCHES NOMINAL IN, head_height: 0.187 INCHES NOMINAL IN, grip_diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, thread_length: 0.375 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-710-6089, 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
ST3M744-5D23
NSN: 5306-01-710-6089
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleSPLINE DRIVE SHEAR HEAD
grip_length1.4375 INCHES NOMINAL IN
head_height0.187 INCHES NOMINAL IN
grip_diameter0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
thread_length0.375 INCHES NOMINAL IN
fastener_length1.813 INCHES NOMINAL IN
thread_directionRIGHT-HAND
head_minor_diameter0.514 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN
nominal_thread_diameter0.3125 INCHES IN
minimum_tensile_strength125000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch24
NSN5306-01-710-6089
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: ST3M744-5D23 · 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
•
HEAD HEIGHT: 0.187 INCHES NOMINAL IN
•
EXTERNAL THREAD TOLERANCE CLASS: 3A A
•
FASTENER LENGTH: 1.813 INCHES NOMINAL IN
•
THREAD LENGTH: 0.375 INCHES NOMINAL IN
•
SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
•
NOMINAL THREAD DIAMETER: 0.3125 INCHES IN
•
HEAD STYLE: SPLINE DRIVE SHEAR HEAD
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.187 INCHES NOMINAL IN
EXTERNAL THREAD TOLERANCE CLASS3A A
FASTENER LENGTH1.813 INCHES NOMINAL IN
THREAD LENGTH0.375 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER0.076 INCHES MINIMUM AND 0.081 INCHES MAXIMUM FIRST HOLE IN
NOMINAL THREAD DIAMETER0.3125 INCHES IN
HEAD STYLESPLINE DRIVE SHEAR HEAD
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH1.4375 INCHES NOMINAL IN
HEAD MINOR DIAMETER0.514 INCHES MINIMUM AND 0.521 INCHES MAXIMUM IN
SUBSTITUTES & CROSS-REFERENCES 1
ST3M744Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is ST3M744-5D23?
ST3M744-5D23 is a BOLT,CLOSE TOLERANCE.
What parts can replace ST3M744-5D23?
There is 1 known substitute for ST3M744-5D23: ST3M744. Substitute compatibility should be verified for your specific system.
What is the NSN for ST3M744-5D23?
ST3M744-5D23 is cataloged in the U.S. Government catalog under NSN 5306-01-710-6089. This indicates validated use in U.S. government and defense supply chains.
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