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PartsTable / COMPONENT / 1A63153
1A63153 ✓ 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 1340, thread_class: 3A NUT THREAD A, thread_length: 0.875 INCHES MAXIMUM NUT THREAD IN, overall_length: 6.125 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD, nominal_thread_size: 0.438 INCHES STUD THREAD IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-538-6077, 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
1A63153
NSN: 5307-00-538-6077
FSC: 5307
CAGE: 23382 — FWD SEAGRAVE HOLDINGS LP (USA)
SPECIFICATIONS
materialSTEEL COMP 1340
thread_class3A NUT THREAD A
thread_length0.875 INCHES MAXIMUM NUT THREAD IN
overall_length6.125 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.438 INCHES STUD THREAD IN
thread_pitch_diameters+0.3960 TO 0.3980 INCHES STUD THREAD IN
thread_quantity_per_inch20 NUT THREAD
thread_series_designatorUNS STUD THREAD
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE
NSN5307-00-538-6077
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1A63153 · 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 DIRECTION: RIGHT-HAND STUD THREAD
•
THREAD LENGTH: 0.562 INCHES MAXIMUM STUD THREAD IN
•
NOMINAL THREAD SIZE: 0.438 INCHES STUD THREAD IN
•
MATERIAL: STEEL COMP 1340
•
THREAD SERIES DESIGNATOR: UNF NUT THREAD
•
THREAD PITCH DIAMETERS: +0.3960 TO 0.3980 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD LENGTH0.562 INCHES MAXIMUM STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.438 INCHES STUD THREAD IN
MATERIALSTEEL COMP 1340
THREAD SERIES DESIGNATORUNF NUT THREAD
THREAD LENGTH0.875 INCHES MAXIMUM NUT THREAD IN
THREAD PITCH DIAMETERS+0.3960 TO 0.3980 INCHES STUD THREAD IN
OVERALL LENGTH6.125 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
7749398P18Interchangeable
interchangeable cross-reference
interchangeable
9704341Interchangeable
interchangeable cross-reference
interchangeable
AS7928Interchangeable
interchangeable cross-reference
interchangeable
MS21004-9Interchangeable
interchangeable cross-reference
interchangeable
B-48-3Interchangeable
interchangeable cross-reference
interchangeable
B-48-ORANGEInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1A63153?
1A63153 is a STUD,PLAIN.
What parts can replace 1A63153?
There are 15 known substitutes for 1A63153: 7749398P18, 9704341, AS7928 and 12 more. Substitute compatibility should be verified for your specific system.
Is 1A63153 still available?
1A63153 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026