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8738089-1 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

8738089-1: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4427, thread_class: 2A STUD THREAD A, thread_length: 0.970 INCHES NOMINAL NUT THREAD IN, overall_length: 5.180 INCHES MINIMUM AND 5.300 INCHES MAXIMUM IN, locking_feature: SELF-CLINCHING HEAD, style_designator: LOCKED IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-075-7185, 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
8738089-1
NSN: 5307-00-075-7185
FSC: 5307 — Studs
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
materialSTEEL COMP 4427
thread_class2A STUD THREAD A
thread_length0.970 INCHES NOMINAL NUT THREAD IN
overall_length5.180 INCHES MINIMUM AND 5.300 INCHES MAXIMUM IN
locking_featureSELF-CLINCHING HEAD
style_designatorLOCKED IN
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter1.310 INCHES MINIMUM AND 1.340 INCHES MAXIMUM IN
surface_treatmentCADMIUM OR ZINC OVERALL
serration_quantity45
nominal_thread_size1.125 INCHES STUD THREAD IN
thread_quantity_per_inch16 NUT THREAD
NSN5307-00-075-7185
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 8738089-1 · 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: 2.320 INCHES NOMINAL IN
•
THREAD LENGTH: 0.970 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD: 1.090 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
TECHNICAL CHARACTERISTICS
DISTANCE FROM SERRATED PORTION TO NUT END2.320 INCHES NOMINAL IN
THREAD LENGTH0.970 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH2.270 INCHES NOMINAL STUD THREAD IN
STYLE DESIGNATORLOCKED IN
OVERALL LENGTH5.180 INCHES MINIMUM AND 5.300 INCHES MAXIMUM IN
DISTANCE FROM SERRATED PORTION TO END OF STUD THREAD1.090 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE1.125 INCHES STUD THREAD IN
NOMINAL THREAD SIZE0.750 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 1
5307000757185Reference document
Same NSN cross-reference
Reference document — Informative reference only
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 8738089-1?
8738089-1 is a STUD,LOCKED IN.
What parts can replace 8738089-1?
There is 1 known substitute for 8738089-1: 5307000757185. Substitute compatibility should be verified for your specific system.
What is the NSN for 8738089-1?
8738089-1 is cataloged in the U.S. Government catalog under NSN 5307-00-075-7185. This indicates validated use in U.S. government and defense supply chains.
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