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12759-00437 — NUT,SELF-LOCKING,HEXAGON

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

12759-00437: NUT,SELF-LOCKING,HEXAGON.

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 0.249 MILLIMETERS NOMINAL MM, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), locking_feature: PREVAILING TORQUE WITH NONMETALLIC INSERT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-553-3097, 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
12759-00437
NSN: 5310-01-553-3097
FSC: 5310 — Nuts and Washers
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height0.249 MILLIMETERS NOMINAL MM
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
locking_featurePREVAILING TORQUE WITH NONMETALLIC INSERT
special_features10-24 ZINC PLATED NYLON INSERT LOCK NUT
thread_directionRIGHT-HAND
surface_treatmentZINC NUT
width_across_flats0.3750 MILLIMETERS NOMINAL MM
nominal_thread_size0.190 INCHES IN
bearing_surface_typeCHAMFERED
NSN5310-01-553-3097
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 12759-00437 · 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
•
WIDTH ACROSS FLATS: 0.3750 MILLIMETERS NOMINAL MM
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
SUPPLEMENTARY FEATURES: THICKNESS: 0.239; DIAMETER 10; ZINC FINISH; THREAD SIZE 24; WRENCH SIZE 3/8"; PRODUCT WEIGHT 0.0050LBS LBS
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.190 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
•
NUT HEIGHT: 0.249 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
WIDTH ACROSS FLATS0.3750 MILLIMETERS NOMINAL MM
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
SUPPLEMENTARY FEATURESTHICKNESS: 0.239; DIAMETER 10; ZINC FINISH; THREAD SIZE 24; WRENCH SIZE 3/8"; PRODUCT WEIGHT 0.0050LBS LBS
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
NUT HEIGHT0.249 MILLIMETERS NOMINAL MM
SPECIAL FEATURES10-24 ZINC PLATED NYLON INSERT LOCK NUT
SURFACE TREATMENTZINC NUT
PART NAME ASSIGNED BY CONTROLLING AGENCYNUMBER 10-24 NYLON INSERT LOCK NUT
SUBSTITUTES & CROSS-REFERENCES 1
3006238Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 12759-00437?
12759-00437 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 12759-00437?
There is 1 known substitute for 12759-00437: 3006238. Substitute compatibility should be verified for your specific system.
What is the NSN for 12759-00437?
12759-00437 is cataloged in the U.S. Government catalog under NSN 5310-01-553-3097. This indicates validated use in U.S. government and defense supply chains.
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