PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 12759-01287
12759-01287 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 1.219 INCHES NOMINAL IN, thread_class: 2B, thread_series: UNF, 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 5310-01-597-6030, 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
12759-01287
NSN: 5310-01-597-6030
FSC: 5310
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height1.219 INCHES NOMINAL IN
thread_class2B
thread_seriesUNF
thread_directionRIGHT-HAND
width_across_flats2.000 INCHES NOMINAL IN
nominal_thread_size1.250 INCHES IN
bearing_surface_typeFLAT
thread_quantity_per_inch12
NSN5310-01-597-6030
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12759-01287 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MATERIAL: STEEL OVERALL
•
NUT HEIGHT: 1.219 INCHES NOMINAL IN
•
THREAD CLASS: 2B
•
NUT STYLE: SLOTTED, HEXAGON
•
WIDTH ACROSS FLATS: 2.000 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 1.250 INCHES IN
•
THREAD QUANTITY PER INCH: 12
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL OVERALL
NUT HEIGHT1.219 INCHES NOMINAL IN
THREAD CLASS2B
NUT STYLESLOTTED, HEXAGON
WIDTH ACROSS FLATS2.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE1.250 INCHES IN
THREAD QUANTITY PER INCH12
THREAD SERIESUNF
BEARING SURFACE TYPEFLAT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
36873Interchangeable
interchangeable cross-reference
interchangeable
70C167Interchangeable
interchangeable cross-reference
interchangeable
S600Interchangeable
interchangeable cross-reference
interchangeable
3687 ITEM 48Interchangeable
interchangeable cross-reference
interchangeable
951C1655-04-020Interchangeable
interchangeable cross-reference
interchangeable
BE/36873Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 12759-01287?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 12759-01287?
12759-01287 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace 12759-01287?
There are 7 known substitutes for 12759-01287: 36873, 70C167, S600 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-01287?
12759-01287 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-597-6030. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 12759-01287

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026