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115678 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

115678: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP O6, thread_class: 3A NUT THREAD A, thread_length: 0.386 INCHES NOMINAL STUD THREAD IN, overall_length: 3.437 INCHES NOMINAL IN, locking_feature: RING, LOCK SERRATED, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-264-2555, 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
115678
NSN: 5307-00-264-2555
FSC: 5307 — Studs
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
materialSTEEL COMP O6
thread_class3A NUT THREAD A
thread_length0.386 INCHES NOMINAL STUD THREAD IN
overall_length3.437 INCHES NOMINAL IN
locking_featureRING, LOCK SERRATED
style_designatorLOCKED IN
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.312 INCHES STUD THREAD IN
thread_quantity_per_inch28 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-T-570,CL S1 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-264-2555
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 115678 · 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 SERRATED PORTION TO NUT END: 2.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-T-570,CL S1 FED SPEC SINGLE MATERIAL RESPONSE
•
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD: 0.176 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
DISTANCE FROM SERRATED PORTION TO NUT END2.875 INCHES NOMINAL IN
THREAD LENGTH0.500 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.386 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORLOCKED IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-T-570,CL S1 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH3.437 INCHES NOMINAL IN
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD0.176 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.250 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
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 115678?
115678 is a STUD,LOCKED IN.
What is the NSN for 115678?
115678 is cataloged in the U.S. Government catalog under NSN 5307-00-264-2555. This indicates validated use in U.S. government and defense supply chains.
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