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Technical Data Sheet
PartsTable / COMPONENT / 429108
429108 ✓ 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 429108 is a the manufacturer industrial component. Key specifications include head_style: ROUND, head_height: 0.332 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN, thread_class: 2A A, head_diameter: 0.766 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN, thread_length: 1.000 INCHES MAXIMUM IN, fastener_length: 1.000 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 5305-00-042-9108, 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
429108
NSN: 5305-00-042-9108
FSC: 5305
CAGE: 24617 — GENERAL MOTORS CORP (USA)
SPECIFICATIONS
head_styleROUND
head_height0.332 INCHES MINIMUM AND 0.355 INCHES MAXIMUM IN
thread_class2A A
head_diameter0.766 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
thread_length1.000 INCHES MAXIMUM IN
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
internal_drive_styleSLOT
nominal_thread_diameter0.500 INCHES IN
screw_surface_treatmentCADMIUM OR ZINC
thread_quantity_per_inch13
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5305-00-042-9108
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 429108 · 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
•
SCREW SURFACE TREATMENT: CADMIUM OR ZINC
•
HEAD STYLE: ROUND
•
THREAD QUANTITY PER INCH: 13
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.000 INCHES MAXIMUM IN
•
SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-634 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-630 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-631 FED SPEC ALL MATERIAL RESPONSES
•
INTERNAL DRIVE STYLE: SLOT
TECHNICAL CHARACTERISTICS (FLIS)
SCREW SURFACE TREATMENTCADMIUM OR ZINC
HEAD STYLEROUND
THREAD QUANTITY PER INCH13
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD LENGTH1.000 INCHES MAXIMUM IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATIONQQ-S-634 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-630 FED SPEC ALL MATERIAL RESPONSES OR QQ-S-631 FED SPEC ALL MATERIAL RESPONSES
INTERNAL DRIVE STYLESLOT
THREAD DIRECTIONRIGHT-HAND
HEAD DIAMETER0.766 INCHES MINIMUM AND 0.813 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
429108Interchangeable
interchangeable cross-reference
interchangeable
6525428 KIT 429108Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 429108?
429108 is a 429108.
What parts can replace 429108?
There are 3 known substitutes for 429108: 429108, 6525428 KIT 429108, FFS92. Substitute compatibility should be verified for your specific system.
What is the NSN for 429108?
429108 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-042-9108. 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