PartsTable
Technical Data Sheet
A4CM39-2 ✓ 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 1019, thread_class: 2A NUT THREAD A, thread_length: 3.125 INCHES MINIMUM NUT THREAD IN, overall_length: 5.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 1.250 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 5307-00-281-6823, 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
A4CM39-2
NSN: 5307-00-281-6823
FSC: 5307
CAGE: 10941 — CARVER PUMP COMPANY (USA)
SPECIFICATIONS
materialSTEEL COMP 1019
thread_class2A NUT THREAD A
thread_length3.125 INCHES MINIMUM NUT THREAD IN
overall_length5.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size1.250 INCHES NUT THREAD IN
thread_quantity_per_inch7 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-281-6823
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A4CM39-2 · 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 1019
THREAD DIRECTION: RIGHT-HAND STUD THREAD
THREAD QUANTITY PER INCH: 7 NUT THREAD
THREAD LENGTH: 1.375 INCHES MINIMUM STUD THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-633 FED SPEC SINGLE MATERIAL RESPONSE
MATERIALSTEEL COMP 1019
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD DIRECTIONRIGHT-HAND NUT THREAD
OVERALL LENGTH5.750 INCHES NOMINAL IN
THREAD QUANTITY PER INCH7 NUT THREAD
THREAD LENGTH1.375 INCHES MINIMUM STUD THREAD IN
THREAD QUANTITY PER INCH7 STUD THREAD
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD
THREAD CLASS2A STUD THREAD A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
2489Interchangeable
interchangeable cross-reference
interchangeable
1699Interchangeable
interchangeable cross-reference
interchangeable
16025Interchangeable
interchangeable cross-reference
interchangeable
GT-3672-2Interchangeable
interchangeable cross-reference
interchangeable
C503000080Interchangeable
interchangeable cross-reference
interchangeable
P181072Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A4CM39-2?
A4CM39-2 is a STUD,PLAIN.
What parts can replace A4CM39-2?
There are 13 known substitutes for A4CM39-2: 2489, 1699, 16025 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A4CM39-2?
A4CM39-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-281-6823. This indicates validated use in U.S. government and defense supply chains.
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