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PartsTable / COMPONENT / EA75
EA75 ✓ 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 302, thread_class: 2A NUT THREAD A, thread_length: 0.750 INCHES NOMINAL NUT THREAD IN, overall_length: 2.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND STUD THREAD, nominal_thread_size: 0.500 INCHES STUD 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 5307-00-051-7157, 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
EA75
NSN: 5307-00-051-7157
FSC: 5307
CAGE: 05852 — BARNSTEAD THERMOLYNE CORPORATION DBA BARNSTEAD INTERNATIONAL DIV LABORATORY EQUIPMENT (USA)
SPECIFICATIONS
materialSTEEL COMP 302
thread_class2A NUT THREAD A
thread_length0.750 INCHES NOMINAL NUT THREAD IN
overall_length2.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND STUD THREAD
nominal_thread_size0.500 INCHES STUD THREAD IN
thread_quantity_per_inch20 STUD THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) NUT THREAD
material_document_and_classificationQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
NSN5307-00-051-7157
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: EA75 · 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 SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC) NUT THREAD
•
THREAD CLASS: 2A NUT THREAD A
•
THREAD LENGTH: 0.750 INCHES NOMINAL NUT THREAD IN
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
MATERIAL: STEEL COMP 302
•
NOMINAL THREAD SIZE: 0.500 INCHES NUT THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) NUT THREAD
THREAD CLASS2A NUT THREAD A
THREAD LENGTH0.750 INCHES NOMINAL NUT THREAD IN
THREAD SERIES DESIGNATORUNF STUD THREAD
THREAD LENGTH1.250 INCHES NOMINAL STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
MATERIALSTEEL COMP 302
NOMINAL THREAD SIZE0.500 INCHES NUT THREAD IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL LENGTH2.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
AMS10137-1603Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
AND10137-1603Interchangeable
interchangeable cross-reference
interchangeable
1878421Interchangeable
interchangeable cross-reference
interchangeable
850359Interchangeable
interchangeable cross-reference
interchangeable
10145Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is EA75?
EA75 is a STUD,PLAIN.
What parts can replace EA75?
There are 21 known substitutes for EA75: AMS10137-1603, AMS-QQ-A-200/11, AND10137-1603 and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for EA75?
EA75 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-051-7157. 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