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6841729-028 — STUD,STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

6841729-028: STUD,STEPPED.

The STUD,STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740, thread_class: 3A NUT THREAD A, thread_length: 0.625 INCHES NOMINAL NUT THREAD IN, overall_length: 1.562 INCHES NOMINAL IN, shank_diameter: 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN, hardness_rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-902-4249, 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
6841729-028
NSN: 5307-00-902-4249
FSC: 5307 — Studs
CAGE: 73342 — ALLISON TRANSMISSION INC DBA ALLISON TRANSMISSION, INC (USA)
SPECIFICATIONS
materialSTEEL COMP 8740
thread_class3A NUT THREAD A
thread_length0.625 INCHES NOMINAL NUT THREAD IN
overall_length1.562 INCHES NOMINAL IN
shank_diameter0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
hardness_rating26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
style_designatorSTEPPED
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES NUT THREAD IN
thread_pitch_diameters+0.3452 TO 0.3467 INCHES STUD THREAD IN
thread_quantity_per_inch16 STUD THREAD
NSN5307-00-902-4249
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 6841729-028 · 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: 0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.625 INCHES NOMINAL NUT THREAD IN
•
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
•
STYLE DESIGNATOR: STEPPED
•
THREAD PITCH DIAMETERS: +0.3452 TO 0.3467 INCHES STUD THREAD IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
TECHNICAL CHARACTERISTICS
SHANK DIAMETER0.279 INCHES MINIMUM AND 0.289 INCHES MAXIMUM IN
THREAD LENGTH0.625 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.750 INCHES NOMINAL STUD THREAD IN
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM
STYLE DESIGNATORSTEPPED
THREAD PITCH DIAMETERS+0.3452 TO 0.3467 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 6322 ASSN STD SINGLE MATERIAL RESPONSE
OVERALL LENGTH1.562 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
OTHER ITEMS IN FSC 5307 — Studs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5307-00-000-6436 5307-00-001-1578 5307-00-001-1761 5307-00-001-2366 5307-00-001-4491 5307-00-001-4624 5307-00-001-4625
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 6841729-028?
6841729-028 is a STUD,STEPPED.
What is the NSN for 6841729-028?
6841729-028 is cataloged in the U.S. Government catalog under NSN 5307-00-902-4249. This indicates validated use in U.S. government and defense supply chains.
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