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Technical Data Sheet
PartsTable / COMPONENT / M45913/2-6FG5C
M45913/2-6FG5C ✓ 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 M45913/2-6FG5C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-959-1488, 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
M45913/2-6FG5C
NSN: 5310-00-959-1488
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45913/2-6FG5C
NSN5310-00-959-1488
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/2-6FG5C · 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: CADMIUM AND CHROMATE OVERALL
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
CRITICALITY CODE JUSTIFICATION: FEAT
•
THREAD QUANTITY PER INCH: 24
•
BEARING SURFACE TYPE: CHAMFERED
TECHNICAL CHARACTERISTICS (FLIS)
NUT STYLEHEXAGON
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
CRITICALITY CODE JUSTIFICATIONFEAT
END ITEM IDENTIFICATIONA4 BRADLEY FIGHTING VEHICLE; A3 BRADLEY FIGHTING VEHICLE
THREAD QUANTITY PER INCH24
BEARING SURFACE TYPECHAMFERED
THREAD SERIESUNF
WIDTH ACROSS FLATS0.551 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
A-A-2511Interchangeable
interchangeable cross-reference
interchangeable
H-B-771Interchangeable
interchangeable cross-reference
interchangeable
10325Interchangeable
interchangeable cross-reference
interchangeable
SA-325Interchangeable
interchangeable cross-reference
interchangeable
6101630Interchangeable
interchangeable cross-reference
interchangeable
GGG-C-137 SZ2 1/2Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45913/2-6FG5C?
M45913/2-6FG5C is a M45913/2-6FG5C.
What parts can replace M45913/2-6FG5C?
There are 23 known substitutes for M45913/2-6FG5C: A-A-2511, H-B-771, 10325 and 20 more. Substitute compatibility should be verified for your specific system.
Is M45913/2-6FG5C still available?
M45913/2-6FG5C is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026