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PartsTable / COMPONENT / H74143-10
H74143-10 ✓ 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 BOLT,HOOK is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1010 OVERALL, thread_class: 2A A, thread_length: 2.000 INCHES MINIMUM IN, style_designator: ROUND BEND, thread_direction: RIGHT-HAND, hook_inside_width: 0.250 INCHES NOMINAL 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 5306-00-637-9889, 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
H74143-10
NSN: 5306-00-637-9889
FSC: 5306
CAGE: 04773 — GTE COMMUNICATION SYSTEMS CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 1010 OVERALL
thread_class2A A
thread_length2.000 INCHES MINIMUM IN
style_designatorROUND BEND
thread_directionRIGHT-HAND
hook_inside_width0.250 INCHES NOMINAL IN
surface_treatmentCADMIUM AND CHROMATE OVERALL
nominal_thread_diameter0.250 INCHES IN
minimum_tensile_strength48000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch20
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
material_document_and_classificationSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5306-00-637-9889
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: H74143-10 · 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
•
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END: 0.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
MATERIAL: STEEL COMP 1010 OVERALL
•
STYLE DESIGNATOR: ROUND BEND
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
DISTANCE FROM INSIDE CENTER OF BEND TO HOOK END0.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.250 INCHES IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
MATERIALSTEEL COMP 1010 OVERALL
STYLE DESIGNATORROUND BEND
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 2,CL 3 FED SPEC ALL TREATMENT RESPONSES OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD LENGTH2.000 INCHES MINIMUM IN
THREAD CLASS2A A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
6002-122Interchangeable
interchangeable cross-reference
interchangeable
0674Interchangeable
interchangeable cross-reference
interchangeable
00674Interchangeable
interchangeable cross-reference
interchangeable
PERMLASTICADHESIVEInterchangeable
interchangeable cross-reference
interchangeable
1232875Interchangeable
interchangeable cross-reference
interchangeable
1024-795Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H74143-10?
H74143-10 is a BOLT,HOOK.
What parts can replace H74143-10?
There are 7 known substitutes for H74143-10: 6002-122, 0674, 00674 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for H74143-10?
H74143-10 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-637-9889. 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