PartsTable
Technical Data Sheet
M45913/1-4CG8Z ✓ 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 M45913/1-4CG8Z is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-531-7280, 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
M45913/1-4CG8Z
NSN: 5310-01-531-7280
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45913/1-4CG8Z
NSN5310-01-531-7280
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/1-4CG8Z · 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 HEIGHT: 0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
WIDTH ACROSS FLATS: 0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
THREAD CLASS: 2B
NOMINAL THREAD SIZE: 0.250 INCHES IN
MATERIAL: STEEL OVERALL
LOCKING FEATURE: PREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD DIRECTION: RIGHT-HAND
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
NUT HEIGHT0.298 INCHES MINIMUM AND 0.328 INCHES MAXIMUM IN
WIDTH ACROSS FLATS0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
THREAD CLASS2B
NOMINAL THREAD SIZE0.250 INCHES IN
MATERIALSTEEL OVERALL
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
THREAD DIRECTIONRIGHT-HAND
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
BEARING SURFACE TYPEFLAT
END ITEM IDENTIFICATION2510-01-525-2652 KIT ASSEMBLY, PERIMETER W/UNDERCARRIAGE ARMOR, MAK 2-DOOR, HMMWV;RG-33 ARMORED UTILITY VEHICLE (AUV); MRAP - M-ATV WITH CS13 POP AND SNE; MULTIPLE LAUNCH ROCKET SYSTEM (MLRS); A4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
MS51943-4Interchangeable
interchangeable cross-reference
interchangeable
5310PL0918864Interchangeable
interchangeable cross-reference
interchangeable
M45913/3-5FG8PInterchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-45913Interchangeable
interchangeable cross-reference
interchangeable
MS51943-57Interchangeable
interchangeable cross-reference
interchangeable
M45913/3-24FG8CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy M45913/1-4CG8Z?
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 M45913/1-4CG8Z?
M45913/1-4CG8Z is a M45913/1-4CG8Z.
What parts can replace M45913/1-4CG8Z?
There are 21 known substitutes for M45913/1-4CG8Z: MS51943-4, 5310PL0918864, M45913/3-5FG8P and 18 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M45913/1-4CG8Z?
M45913/1-4CG8Z is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-531-7280. 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 — M45913/1-4CG8Z