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5144B-4SDA-12 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

5144B-4SDA-12: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING, thread_class: 3A NUT THREAD A, thread_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN, overall_length: 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN, shank_diameter: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, style_designator: STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-628-7459, 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
5144B-4SDA-12
NSN: 5307-00-628-7459
FSC: 5307 — Studs
CAGE: 01556 — STANLEY ENGINEERED FASTENING LLC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
thread_class3A NUT THREAD A
thread_length0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN
overall_length1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN
shank_diameter0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
style_designatorSTEPPED
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_quantity_per_inch28 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
NSN5307-00-628-7459
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 5144B-4SDA-12 · 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
•
SHANK DIAMETER: 0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN
•
STYLE DESIGNATOR: STEPPED
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.245 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
THREAD LENGTH0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM NUT THREAD IN
THREAD LENGTH0.438 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORSTEPPED
OVERALL LENGTH1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.250 INCHES NUT THREAD IN
THREAD CLASS3A NUT THREAD A
SUBSTITUTES & CROSS-REFERENCES 2
69544-14-12Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
MSS1610-2Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 5144B-4SDA-12?
5144B-4SDA-12 is a STUD,STEPPED.
What parts can replace 5144B-4SDA-12?
There are 2 known substitutes for 5144B-4SDA-12: 69544-14-12, MSS1610-2. Substitute compatibility should be verified for your specific system.
What is the NSN for 5144B-4SDA-12?
5144B-4SDA-12 is cataloged in the U.S. Government catalog under NSN 5307-00-628-7459. This indicates validated use in U.S. government and defense supply chains.
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