PartsTable
Technical Data Sheet
1140307 ✓ 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,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, nut_height: 6.5 MILLIMETERS MAXIMUM MM, special_features: SPECIFICATION: DIN 934, WRENCH SIZE: 13MM MM, surface_treatment: ZINC OVERALL, width_across_flats: 13.0 MILLIMETERS MAXIMUM MM. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-564-3318, 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
1140307
NSN: 5310-01-564-3318
FSC: 5310
CAGE: 0Y3H3 — FASTENAL COMPANY DBA FASTENAL CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
nut_height6.5 MILLIMETERS MAXIMUM MM
special_featuresSPECIFICATION: DIN 934, WRENCH SIZE: 13MM MM
surface_treatmentZINC OVERALL
width_across_flats13.0 MILLIMETERS MAXIMUM MM
nominal_thread_size1.25 MILLIMETERS MM
part_name_assigned_by_controlling_agencyINAVY-HEX NUT, LOCK M8-1.25, METRIC, CLASS 8
NSN5310-01-564-3318
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1140307 · 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
NUT STYLE: HEXAGON
MATERIAL: STEEL OVERALL
SURFACE TREATMENT: ZINC OVERALL
NOMINAL THREAD SIZE: 1.25 MILLIMETERS MM
NUT HEIGHT: 6.5 MILLIMETERS MAXIMUM MM
WIDTH ACROSS FLATS: 13.0 MILLIMETERS MAXIMUM MM
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
SURFACE TREATMENTZINC OVERALL
NOMINAL THREAD SIZE1.25 MILLIMETERS MM
SPECIAL FEATURESSPECIFICATION: DIN 934, WRENCH SIZE: 13MM MM
PART NAME ASSIGNED BY CONTROLLING AGENCYINAVY-HEX NUT, LOCK M8-1.25, METRIC, CLASS 8
NUT HEIGHT6.5 MILLIMETERS MAXIMUM MM
WIDTH ACROSS FLATS13.0 MILLIMETERS MAXIMUM MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
40307Interchangeable
interchangeable cross-reference
interchangeable
02261-0280-18Interchangeable
interchangeable cross-reference
interchangeable
4500-271Interchangeable
interchangeable cross-reference
interchangeable
68B618000-271Interchangeable
interchangeable cross-reference
interchangeable
C1A40307Interchangeable
interchangeable cross-reference
interchangeable
119056Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1140307?
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 1140307?
1140307 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace 1140307?
There are 14 known substitutes for 1140307: 40307, 02261-0280-18, 4500-271 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1140307?
1140307 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-564-3318. 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 — 1140307