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Technical Data Sheet

3043T649 — Technical Data Sheet

✓ 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,U is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, thread_class: 2A A, thread_length: 1.375 INCHES NOMINAL IN, special_features: FURNISHED WITH TWO NUTS AND ONE PLATE, style_designator: ROUND BEND, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-156-3737, 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
3043T649
NSN: 5306-01-156-3737
FSC: 5306
CAGE: 39428 — MCMASTER-CARR SUPPLY CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
thread_class2A A
thread_length1.375 INCHES NOMINAL IN
special_featuresFURNISHED WITH TWO NUTS AND ONE PLATE
style_designatorROUND BEND
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
nominal_thread_diameter0.312 INCHES IN
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
inside_distance_between_shanks1.000 INCHES NOMINAL IN
distance_from_inside_center_of_bend_to_bolt_end2.188 INCHES NOMINAL IN
NSN5306-01-156-3737
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3043T649 · 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
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END: 2.188 INCHES NOMINAL IN
STYLE DESIGNATOR: ROUND BEND
MATERIAL: STEEL OVERALL
THREAD CLASS: 2A A
INSIDE DISTANCE BETWEEN SHANKS: 1.000 INCHES NOMINAL IN
THREAD DIRECTION: RIGHT-HAND
THREAD QUANTITY PER INCH: 18
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM INSIDE CENTER OF BEND TO BOLT END2.188 INCHES NOMINAL IN
STYLE DESIGNATORROUND BEND
MATERIALSTEEL OVERALL
THREAD CLASS2A A
INSIDE DISTANCE BETWEEN SHANKS1.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
THREAD QUANTITY PER INCH18
NOMINAL THREAD DIAMETER0.312 INCHES IN
SPECIAL FEATURESFURNISHED WITH TWO NUTS AND ONE PLATE
THREAD LENGTH1.375 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
3013Interchangeable
interchangeable cross-reference
interchangeable
50-238-2Interchangeable
interchangeable cross-reference
interchangeable
50238ALT3PC2Interchangeable
interchangeable cross-reference
interchangeable
2-50134Interchangeable
interchangeable cross-reference
interchangeable
3043T63Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 3043T649?
3043T649 is a BOLT,U.
What parts can replace 3043T649?
There are 5 known substitutes for 3043T649: 3013, 50-238-2, 50238ALT3PC2 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 3043T649?
3043T649 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-156-3737. This indicates validated use in U.S. government and defense supply chains.
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