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Technical Data Sheet
PartsTable / COMPONENT / 1888052
1888052 ✓ 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,SHOULDERED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212, thread_class: 3A STUD THREAD A, thread_length: 0.875 INCHES NOMINAL STUD THREAD IN, overall_length: 4.438 INCHES NOMINAL IN, shoulder_length: 2.562 INCHES NOMINAL IN, style_designator: SHOULDERED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-569-7817, 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
1888052
NSN: 5307-00-569-7817
FSC: 5307
CAGE: 16764 — GENERAL MOTORS CORP DELCO REMY DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 1212
thread_class3A STUD THREAD A
thread_length0.875 INCHES NOMINAL STUD THREAD IN
overall_length4.438 INCHES NOMINAL IN
shoulder_length2.562 INCHES NOMINAL IN
style_designatorSHOULDERED
thread_directionRIGHT-HAND NUT THREAD
surface_treatmentZINC AND CHROMIUM OVERALL
nominal_thread_size0.250 INCHES STUD THREAD IN
nut_end_shank_length0.562 INCHES NOMINAL IN
distance_across_flats0.344 INCHES NOMINAL IN
nut_end_shank_diameter0.250 INCHES NOMINAL IN
NSN5307-00-569-7817
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 1888052 · 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
•
DISTANCE ACROSS FLATS: 0.344 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 28 STUD THREAD
•
DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END: 0.125 INCHES NOMINAL FIRST HOLE IN
•
SHOULDER LENGTH: 2.562 INCHES NOMINAL IN
•
MATERIAL: STEEL COMP 1212
•
THREAD SERIES DESIGNATOR: UNF STUD THREAD
TECHNICAL CHARACTERISTICS (FLIS)
THREAD DIRECTIONRIGHT-HAND STUD THREAD
DISTANCE ACROSS FLATS0.344 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND NUT THREAD
THREAD QUANTITY PER INCH28 STUD THREAD
DISTANCE FROM COTTER PIN HOLE CENTERLINE TO NUT END0.125 INCHES NOMINAL FIRST HOLE IN
SHOULDER LENGTH2.562 INCHES NOMINAL IN
MATERIALSTEEL COMP 1212
THREAD SERIES DESIGNATORUNF STUD THREAD
SURFACE TREATMENTZINC AND CHROMIUM OVERALL
COTTER PIN HOLE DIAMETER0.094 INCHES NOMINAL FIRST HOLE IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
419522Interchangeable
interchangeable cross-reference
interchangeable
419256Interchangeable
interchangeable cross-reference
interchangeable
419552Interchangeable
interchangeable cross-reference
interchangeable
14G295Interchangeable
Same NIIN cross-reference
interchangeable
126915Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1888052?
1888052 is a STUD,SHOULDERED.
What parts can replace 1888052?
There are 5 known substitutes for 1888052: 419522, 419256, 419552 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1888052?
1888052 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-569-7817. 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