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Technical Data Sheet
PartsTable / COMPONENT / 37783PC28
37783PC28 ✓ 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: NICKEL ALLOY 502, thread_class: 2A NUT THREAD A, thread_length: 2.687 INCHES MAXIMUM NUT THREAD IN, overall_length: 5.250 INCHES NOMINAL IN, thread_direction: RIGHT-HAND NUT THREAD, nominal_thread_size: 0.562 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 5307-00-881-2442, 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
37783PC28
NSN: 5307-00-881-2442
FSC: 5307
CAGE: 82340 — L3HARRIS TECHNOLOGIES, INC. DIV SPACE AND AIRBORNE SYSTEMS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 502
thread_class2A NUT THREAD A
thread_length2.687 INCHES MAXIMUM NUT THREAD IN
overall_length5.250 INCHES NOMINAL IN
thread_directionRIGHT-HAND NUT THREAD
nominal_thread_size0.562 INCHES STUD THREAD IN
thread_quantity_per_inch12 NUT THREAD
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) STUD THREAD
material_document_and_classificationQQ-N-86,CL B FED SPEC SINGLE MATERIAL RESPONSE
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5307-00-881-2442
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 37783PC28 · 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 CLASS: 2A NUT THREAD A
•
THREAD LENGTH: 2.687 INCHES MAXIMUM NUT THREAD IN
•
THREAD QUANTITY PER INCH: 12 NUT THREAD
•
THREAD DIRECTION: RIGHT-HAND NUT THREAD
•
NOMINAL THREAD SIZE: 0.562 INCHES STUD THREAD IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD CLASS2A NUT THREAD A
THREAD LENGTH2.687 INCHES MAXIMUM NUT THREAD IN
THREAD QUANTITY PER INCH12 NUT THREAD
THREAD CLASS2A STUD THREAD A
THREAD DIRECTIONRIGHT-HAND NUT THREAD
NOMINAL THREAD SIZE0.562 INCHES STUD THREAD IN
THREAD DIRECTIONRIGHT-HAND STUD THREAD
THREAD QUANTITY PER INCH12 STUD THREAD
THREAD LENGTH1.000 INCHES MAXIMUM STUD THREAD IN
NOMINAL THREAD SIZE0.562 INCHES NUT THREAD IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
537818Interchangeable
interchangeable cross-reference
interchangeable
37818Interchangeable
interchangeable cross-reference
interchangeable
N3781894Interchangeable
interchangeable cross-reference
interchangeable
4820PL0952413Interchangeable
interchangeable cross-reference
interchangeable
292-5064G1Interchangeable
interchangeable cross-reference
interchangeable
10043639Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 37783PC28?
37783PC28 is a STUD,PLAIN.
What parts can replace 37783PC28?
There are 9 known substitutes for 37783PC28: 537818, 37818, N3781894 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 37783PC28?
37783PC28 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5307-00-881-2442. 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