PartsTable
Technical Data Sheet
520A245 ✓ Verified by PartsTable
· BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The STUD,PLAIN is a the manufacturer industrial component. Key specifications include material: STEEL COMP B1112, thread_class: 2A NUT THREAD A, thread_length: 0.625 INCHES MAXIMUM STUD THREAD IN, overall_length: 5.438 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, surface_treatment: ZINC OVERALL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-206-0966, 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
520A245
NSN: 5307-00-206-0966
FSC: 5307
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL COMP B1112
thread_class2A NUT THREAD A
thread_length0.625 INCHES MAXIMUM STUD THREAD IN
overall_length5.438 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentZINC OVERALL
nominal_thread_size0.375 INCHES STUD THREAD IN
thread_quantity_per_inch24 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-206-0966
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 520A245 · 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
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
MATERIAL: STEEL COMP B1112
THREAD SERIES DESIGNATOR: UNF NUT THREAD
THREAD QUANTITY PER INCH: 24 NUT THREAD
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
THREAD LENGTH: 0.625 INCHES MAXIMUM STUD THREAD IN
THREAD DIRECTION: RIGHT-HAND NUT THREAD
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL LENGTH5.438 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP B1112
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD QUANTITY PER INCH24 NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
THREAD LENGTH0.625 INCHES MAXIMUM STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD CLASS2A STUD THREAD A
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
3261-2RInterchangeable
interchangeable cross-reference
interchangeable
19948Interchangeable
interchangeable cross-reference
interchangeable
AE8S45-6ALT1PC84Interchangeable
interchangeable cross-reference
interchangeable
CM5S45-54PC84Interchangeable
interchangeable cross-reference
interchangeable
588-1Interchangeable
interchangeable cross-reference
interchangeable
1683-008-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520A245?
520A245 is a STUD,PLAIN.
What parts can replace 520A245?
There are 11 known substitutes for 520A245: 3261-2R, 19948, AE8S45-6ALT1PC84 and 8 more. Substitute compatibility should be verified for your specific system.
Is 520A245 still available?
520A245 is currently cancelled.
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