PartsTable
Technical Data Sheet
M45913/3-16FG8C ✓ 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 M45913/3-16FG8C 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 5310-00-340-4953, 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
M45913/3-16FG8C
NSN: 5310-00-340-4953
FSC: 5310
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM45913/3-16FG8C
NSN5310-00-340-4953
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: M45913/3-16FG8C · 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: 1.450 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
NUT HEIGHT: 1.124 INCHES MAXIMUM IN
SURFACE TREATMENT: CADMIUM OVERALL EXCEPT INSERT
TEMP RATING: 250.0 FAHRENHEIT NOMINAL DEGF
MATERIAL: PLASTIC POLYAMIDE NYLON LOCKING INSERT
THREAD SERIES: UNF
BEARING SURFACE TYPE: CHAMFERED OR WASHER FACED
HARDNESS RATING: 26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH ACROSS FLATS1.450 INCHES MINIMUM AND 1.502 INCHES MAXIMUM IN
NUT HEIGHT1.124 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OVERALL EXCEPT INSERT
TEMP RATING250.0 FAHRENHEIT NOMINAL DEGF
MATERIALPLASTIC POLYAMIDE NYLON LOCKING INSERT
THREAD SERIESUNF
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
HARDNESS RATING26.0 ROCKWELL C MINIMUM AND 35.0 ROCKWELL C MAXIMUM
LOCKING FEATUREPREVAILING TORQUE WITH NONMETALLIC INSERT
MATERIALSTEEL NUT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
TIP00017Interchangeable
interchangeable cross-reference
interchangeable
L31163Interchangeable
interchangeable cross-reference
interchangeable
456720131110Interchangeable
interchangeable cross-reference
interchangeable
MIL-DTL-45913/3Interchangeable
interchangeable cross-reference
interchangeable
MS51943-12Interchangeable
interchangeable cross-reference
interchangeable
M45913/3-9FG8PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M45913/3-16FG8C?
M45913/3-16FG8C is a M45913/3-16FG8C.
What parts can replace M45913/3-16FG8C?
There are 16 known substitutes for M45913/3-16FG8C: TIP00017, L31163, 456720131110 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M45913/3-16FG8C?
M45913/3-16FG8C is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-340-4953. This indicates validated use in U.S. government and defense supply chains.
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