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Technical Data Sheet
PartsTable / COMPONENT / M45913/1-10FG5C
M45913/1-10FG5C ✓ 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 M45913/1-10FG5C is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-225-6408, 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
M45913/1-10FG5C
NSN: 5310-00-225-6408
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45913/1-10FG5C
NSN5310-00-225-6408
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/1-10FG5C · 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
•
THREAD SERIES: UNF
•
THREAD QUANTITY PER INCH: 18
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL EXCEPT INSERT
•
BEARING SURFACE FINISH: 125.0 MICROINCHES
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TY 2, CL 2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIESUNF
THREAD QUANTITY PER INCH18
MATERIAL DOCUMENT AND CLASSIFICATIONSAE J995, GR 5 ASSN STD SINGLE MATERIAL RESPONSE NUT
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL EXCEPT INSERT
BEARING SURFACE FINISH125.0 MICROINCHES
NOMINAL THREAD SIZE0.625 INCHES IN
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TY 2, CL 2 OR 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT
MATERIALSTEEL NUT
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
PEF90S/4P-12Interchangeable
interchangeable cross-reference
interchangeable
Z128Interchangeable
interchangeable cross-reference
interchangeable
25G227Interchangeable
interchangeable cross-reference
interchangeable
10-333Interchangeable
interchangeable cross-reference
interchangeable
327-1Interchangeable
interchangeable cross-reference
interchangeable
717-011365Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45913/1-10FG5C?
M45913/1-10FG5C is a M45913/1-10FG5C.
What parts can replace M45913/1-10FG5C?
There are 28 known substitutes for M45913/1-10FG5C: PEF90S/4P-12, Z128, 25G227 and 25 more. Substitute compatibility should be verified for your specific system.
Is M45913/1-10FG5C still available?
M45913/1-10FG5C 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