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Technical Data Sheet
PartsTable / COMPONENT / 12759-01038
12759-01038 ✓ 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,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON EXTENDED WASHER, head_height: 0.139 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN, thread_length: 0.750 INCHES NOMINAL IN, screw_material: STEEL, fastener_length: 0.750 INCHES NOMINAL IN, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-589-6026, 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
12759-01038
NSN: 5305-01-589-6026
FSC: 5305
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
head_styleHEXAGON EXTENDED WASHER
head_height0.139 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN
thread_length0.750 INCHES NOMINAL IN
screw_materialSTEEL
fastener_length0.750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
head_surface_treatmentZINC
end_item_identification5895-01-562-6898 SATELLITE COMMUNICATION SYSTEM
nominal_thread_diameter0.216 INCHES IN
screw_surface_treatmentZINC
extended_washer_diameter0.398 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
NSN5305-01-589-6026
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12759-01038 · 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
•
WIDTH BETWEEN FLATS: 0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
•
SCREW SURFACE TREATMENT: ZINC
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
EXTENDED WASHER DIAMETER: 0.398 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
•
HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ASTM F1941, FE/ZN 3 AT ASSN STD SINGLE TREATMENT RESPONSE
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.305 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN
SCREW SURFACE TREATMENTZINC
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
END ITEM IDENTIFICATION5895-01-562-6898 SATELLITE COMMUNICATION SYSTEM
PART NAME ASSIGNED BY CONTROLLING AGENCYUNSLOTTED HEX WASHER HEAD SELF DRILL SCREW
EXTENDED WASHER DIAMETER0.398 INCHES MINIMUM AND 0.432 INCHES MAXIMUM IN
HEAD SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONASTM F1941, FE/ZN 3 AT ASSN STD SINGLE TREATMENT RESPONSE
NOMINAL THREAD DIAMETER0.216 INCHES IN
HEAD STYLEHEXAGON EXTENDED WASHER
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
905183-00Interchangeable
interchangeable cross-reference
interchangeable
56-001-7Interchangeable
interchangeable cross-reference
interchangeable
CFA031-50Interchangeable
interchangeable cross-reference
interchangeable
53017Interchangeable
interchangeable cross-reference
interchangeable
ASME B94.19Interchangeable
interchangeable cross-reference
interchangeable
17103Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12759-01038?
12759-01038 is a SCREW,MACHINE.
What parts can replace 12759-01038?
There are 16 known substitutes for 12759-01038: 905183-00, 56-001-7, CFA031-50 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-01038?
12759-01038 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-589-6026. 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