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9178643 — STUD,SHOULDERED AND STEPPED

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

9178643: STUD,SHOULDERED AND STEPPED.

The STUD,SHOULDERED AND STEPPED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, thread_class: 2A STUD THREAD A, thread_length: 0.177 INCHES MINIMUM NUT THREAD IN, overall_length: 0.906 INCHES NOMINAL IN, shoulder_length: 0.031 INCHES NOMINAL IN, style_designator: SHOULDERED AND STEPPED. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-894-9597, 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
9178643
NSN: 5307-00-894-9597
FSC: 5307 — Studs
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL COMP 303
thread_class2A STUD THREAD A
thread_length0.177 INCHES MINIMUM NUT THREAD IN
overall_length0.906 INCHES NOMINAL IN
shoulder_length0.031 INCHES NOMINAL IN
style_designatorSHOULDERED AND STEPPED
thread_directionRIGHT-HAND NUT THREAD
shoulder_diameter0.250 INCHES NOMINAL IN
surface_treatmentPASSIVATE OVERALL
nominal_thread_size0.060 INCHES NUT THREAD IN
nut_end_shank_length0.376 INCHES NOMINAL IN
nut_end_shank_diameter0.112 INCHES NOMINAL IN
NSN5307-00-894-9597
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 9178643 · 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
•
NUT END SHANK DIAMETER: 0.112 INCHES NOMINAL IN
•
THREAD LENGTH: 0.177 INCHES MINIMUM NUT THREAD IN
•
STYLE DESIGNATOR: SHOULDERED AND STEPPED
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
NUT END SHANK DIAMETER0.112 INCHES NOMINAL IN
THREAD LENGTH0.177 INCHES MINIMUM NUT THREAD IN
THREAD LENGTH0.256 INCHES MINIMUM STUD THREAD IN
STYLE DESIGNATORSHOULDERED AND STEPPED
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763,COND A FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH0.906 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.112 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.060 INCHES NUT THREAD IN
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 9178643?
9178643 is a STUD,SHOULDERED AND STEPPED.
What is the NSN for 9178643?
9178643 is cataloged in the U.S. Government catalog under NSN 5307-00-894-9597. This indicates validated use in U.S. government and defense supply chains.
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