PartsTable
Technical Data Sheet
520A118 ✓ 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 STUD THREAD A, thread_length: 0.625 INCHES MINIMUM STUD THREAD IN, overall_length: 1.500 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 5307-00-627-3446, 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
520A118
NSN: 5307-00-627-3446
FSC: 5307
CAGE: 44940 — CUMMINS POWER GENERATION INC. (USA)
SPECIFICATIONS
materialSTEEL COMP B1112
thread_class2A STUD THREAD A
thread_length0.625 INCHES MINIMUM STUD THREAD IN
overall_length1.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
surface_treatmentZINC OVERALL
nominal_thread_size0.375 INCHES NUT 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
NSN5307-00-627-3446
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 520A118 · 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 QUANTITY PER INCH: 24 NUT THREAD
THREAD SERIES DESIGNATOR: UNF NUT THREAD
NOMINAL THREAD SIZE: 0.375 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH: 0.562 INCHES MINIMUM NUT THREAD IN
THREAD DIRECTION: RIGHT-HAND STUD THREAD
THREAD CLASS: 2A STUD THREAD A
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH24 NUT THREAD
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD QUANTITY PER INCH16 STUD THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH0.562 INCHES MINIMUM NUT THREAD IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD CLASS2A STUD THREAD A
THREAD DIRECTIONRIGHT-HAND NUT THREAD
OVERALL LENGTH1.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
12BInterchangeable
interchangeable cross-reference
interchangeable
829790Interchangeable
interchangeable cross-reference
interchangeable
4315Interchangeable
interchangeable cross-reference
interchangeable
MS17161-62Interchangeable
interchangeable cross-reference
interchangeable
8B10V30V90VInterchangeable
interchangeable cross-reference
interchangeable
8BTHERMIST0RInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520A118?
520A118 is a STUD,PLAIN.
What parts can replace 520A118?
There are 15 known substitutes for 520A118: 12B, 829790, 4315 and 12 more. Substitute compatibility should be verified for your specific system.
Is 520A118 still available?
520A118 is currently cancelled.
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