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Technical Data Sheet
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12759-01234 — Technical Data Sheet

✓ 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 SCREW,CAP,HEXAGON HEAD is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_length: 2.500 INCHES NOMINAL IN, fastener_length: 2.500 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: DICHROMATE ZINC OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-01-597-5818, 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
12759-01234
NSN: 5305-01-597-5818
FSC: 5305
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_length2.500 INCHES NOMINAL IN
fastener_length2.500 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentDICHROMATE ZINC OVERALL
width_between_flats0.562 INCHES NOMINAL IN
nominal_thread_diameter0.375 INCHES IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch18
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
part_name_assigned_by_controlling_agency3/8 INCH -16 X 2-1/2 INCH YELLOW ZINC SAE J429 GRADE 8 HEX CAP SCREW IN
NSN5305-01-597-5818
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12759-01234 · 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 QUANTITY PER INCH: 18
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 2.500 INCHES NOMINAL IN
•
THREAD LENGTH: 2.500 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
WIDTH BETWEEN FLATS: 0.562 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
TECHNICAL CHARACTERISTICS
THREAD QUANTITY PER INCH18
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.500 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY3/8 INCH -16 X 2-1/2 INCH YELLOW ZINC SAE J429 GRADE 8 HEX CAP SCREW IN
THREAD LENGTH2.500 INCHES NOMINAL IN
HEAD STYLEHEXAGON
WIDTH BETWEEN FLATS0.562 INCHES NOMINAL IN
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.375 INCHES IN
SURFACE TREATMENTDICHROMATE ZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
15113InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
140-67InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
BT15113InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
C08718InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
49713InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1314InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-01234?
12759-01234 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 12759-01234?
There are 15 known substitutes for 12759-01234: 15113, 140-67, BT15113 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-01234?
12759-01234 is cataloged in the Federal Logistics Information System under NSN 5305-01-597-5818. This indicates validated use in U.S. government and defense supply chains.
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PartsTable Design LLC · partstable.com
Last verified: October 2026