PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 12759-01239
12759-01239 ✓ 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, head_height: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 2.0 INCHES NOMINAL IN, fastener_length: 6.0 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 5305-01-600-8541, 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
12759-01239
NSN: 5305-01-600-8541
FSC: 5305
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
thread_class2A A
thread_length2.0 INCHES NOMINAL IN
fastener_length6.0 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
width_between_flats1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
end_item_identificationMRAP BUFFALO
nominal_thread_diameter0.875 INCHES IN
thread_quantity_per_inch14
NSN5305-01-600-8541
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12759-01239 · 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 QUANTITY PER INCH: 14
•
FASTENER LENGTH: 6.0 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
THREAD CLASS: 2A A
•
WIDTH BETWEEN FLATS: 1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEHEXAGON
THREAD QUANTITY PER INCH14
FASTENER LENGTH6.0 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMRAP BUFFALO
NOMINAL THREAD DIAMETER0.875 INCHES IN
THREAD CLASS2A A
WIDTH BETWEEN FLATS1.285 INCHES MINIMUM AND 1.312 INCHES MAXIMUM IN
HEAD HEIGHT0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
THREAD LENGTH2.0 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
53A68B177Interchangeable
interchangeable cross-reference
interchangeable
17968Interchangeable
interchangeable cross-reference
interchangeable
13515Interchangeable
interchangeable cross-reference
interchangeable
SM-A-837760-1Interchangeable
interchangeable cross-reference
interchangeable
WE-2823Interchangeable
interchangeable cross-reference
interchangeable
69A21/60WM/TS/120-125Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-01239?
12759-01239 is a SCREW,CAP,HEXAGON HEAD.
What parts can replace 12759-01239?
There are 6 known substitutes for 12759-01239: 53A68B177, 17968, 13515 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-01239?
12759-01239 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-600-8541. 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