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557130 — STUD,LOCKED IN

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

557130: STUD,LOCKED IN.

The STUD,LOCKED IN is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416, thread_class: 3A NUT THREAD A, thread_length: 0.660 INCHES NOMINAL NUT THREAD IN, overall_length: 1.176 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN, locking_feature: KEY INSERTS, shoulder_length: 0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5307-00-979-7817, 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
557130
NSN: 5307-00-979-7817
FSC: 5307 — Studs
CAGE: 73030 — HAMILTON SUNDSTRAND CORPORATION DBA COLLINS AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 416
thread_class3A NUT THREAD A
thread_length0.660 INCHES NOMINAL NUT THREAD IN
overall_length1.176 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN
locking_featureKEY INSERTS
shoulder_length0.045 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
style_designatorLOCKED IN
thread_directionRIGHT-HAND STUD THREAD
shoulder_diameter0.290 INCHES NOMINAL IN
nominal_thread_size0.250 INCHES NUT THREAD IN
thread_quantity_per_inch16 STUD THREAD
thread_series_designatorUNF NUT THREAD
NSN5307-00-979-7817
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 557130 · 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
•
THREAD LENGTH: 0.660 INCHES NOMINAL NUT THREAD IN
•
STYLE DESIGNATOR: LOCKED IN
•
THREAD DIRECTION: RIGHT-HAND STUD THREAD
•
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS
THREAD LENGTH0.660 INCHES NOMINAL NUT THREAD IN
THREAD LENGTH0.381 INCHES MINIMUM AND 0.398 INCHES MAXIMUM STUD THREAD IN
STYLE DESIGNATORLOCKED IN
OVERALL LENGTH1.176 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
SHOULDER DIAMETER0.290 INCHES NOMINAL IN
LOCKING FEATUREKEY INSERTS
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: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 557130?
557130 is a STUD,LOCKED IN.
What is the NSN for 557130?
557130 is cataloged in the U.S. Government catalog under NSN 5307-00-979-7817. This indicates validated use in U.S. government and defense supply chains.
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