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Technical Data Sheet
PartsTable / COMPONENT / 13239A
13239A ✓ 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, thread_class: 3A STUD THREAD A, thread_length: 0.625 INCHES MINIMUM NUT THREAD IN, overall_length: 1.688 INCHES NOMINAL IN, nominal_thread_size: 0.375 INCHES NUT THREAD IN, thread_pitch_diameters: +0.3370 TO 0.3392 INCHES NUT THREAD IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-364-1452, 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
13239A
NSN: 5307-00-364-1452
FSC: 5307
CAGE: 28265 — HERCULES ENGINE CO INC (USA)
SPECIFICATIONS
materialSTEEL
thread_class3A STUD THREAD A
thread_length0.625 INCHES MINIMUM NUT THREAD IN
overall_length1.688 INCHES NOMINAL IN
nominal_thread_size0.375 INCHES NUT THREAD IN
thread_pitch_diameters+0.3370 TO 0.3392 INCHES NUT THREAD IN
thread_quantity_per_inch24 STUD THREAD
thread_series_designatorUNF STUD THREAD
material_document_and_classificationSAE 1112 ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-00-364-1452
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 13239A · 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 PITCH DIAMETERS: +0.3370 TO 0.3392 INCHES NUT THREAD IN
•
THREAD QUANTITY PER INCH: 16 NUT THREAD
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE 1112 ASSN STD SINGLE MATERIAL RESPONSE
•
NOMINAL THREAD SIZE: 0.375 INCHES NUT THREAD IN
•
THREAD SERIES DESIGNATOR: UNF STUD THREAD
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
THREAD PITCH DIAMETERS+0.3370 TO 0.3392 INCHES NUT THREAD IN
THREAD QUANTITY PER INCH16 NUT THREAD
MATERIAL DOCUMENT AND CLASSIFICATIONSAE 1112 ASSN STD SINGLE MATERIAL RESPONSE
NOMINAL THREAD SIZE0.375 INCHES NUT THREAD IN
THREAD SERIES DESIGNATORUNF STUD THREAD
MATERIALSTEEL
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD
NOMINAL THREAD SIZE0.375 INCHES STUD THREAD IN
OVERALL LENGTH1.688 INCHES NOMINAL IN
THREAD CLASS3A STUD THREAD A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
88057S7Interchangeable
interchangeable cross-reference
interchangeable
54012Interchangeable
interchangeable cross-reference
interchangeable
111318Interchangeable
interchangeable cross-reference
interchangeable
77094Interchangeable
interchangeable cross-reference
interchangeable
D77094Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 13239A?
13239A is a STUD,PLAIN.
What parts can replace 13239A?
There are 5 known substitutes for 13239A: 88057S7, 54012, 111318 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 13239A?
13239A is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-364-1452. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026