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Technical Data Sheet
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12759-01246 — 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, fastener_length: 2.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, surface_treatment: DICHROMATE ZINC OVERALL, width_between_flats: 0.937 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5305-01-597-5798, 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
12759-01246
NSN: 5305-01-597-5798
FSC: 5305
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
fastener_length2.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentDICHROMATE ZINC OVERALL
width_between_flats0.937 INCHES NOMINAL IN
end_item_identificationMRAP BUFFALO MK2A2
nominal_thread_diameter0.625 INCHES IN
minimum_tensile_strength150000 POUNDS PER SQUARE INCH LBS
thread_quantity_per_inch18
thread_series_designatorUNF
part_name_assigned_by_controlling_agency5/8 INCH -18 2 INCH YELLOW ZINC FINISH SAE J429 GRADE 8 HEX CAP SCREW IN
NSN5305-01-597-5798
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12759-01246 · 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
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
FASTENER LENGTH: 2.000 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 0.937 INCHES NOMINAL IN
•
MINIMUM TENSILE STRENGTH: 150000 POUNDS PER SQUARE INCH LBS
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
TECHNICAL CHARACTERISTICS
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
FASTENER LENGTH2.000 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.937 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCY5/8 INCH -18 2 INCH YELLOW ZINC FINISH SAE J429 GRADE 8 HEX CAP SCREW IN
MINIMUM TENSILE STRENGTH150000 POUNDS PER SQUARE INCH LBS
NOMINAL THREAD DIAMETER0.625 INCHES IN
END ITEM IDENTIFICATIONMRAP BUFFALO MK2A2
THREAD QUANTITY PER INCH18
SURFACE TREATMENTDICHROMATE ZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
12267670InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B151510ZInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
580-572InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18960CInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
18960InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
37555InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-01246?
12759-01246 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 12759-01246?
There are 12 known substitutes for 12759-01246: 12267670, B151510Z, 580-572 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-01246?
12759-01246 is cataloged in the Federal Logistics Information System under NSN 5305-01-597-5798. 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