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PartsTable / COMPONENT / C61501
C61501 ✓ 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,PLAIN,HEXAGON is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: HEXAGON, nut_height: 0.093 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNEF, thread_direction: RIGHT-HAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-373-9412, 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
C61501
NSN: 5310-00-373-9412
FSC: 5310
CAGE: 08AF1 — KELLY MANUFACTURING COMPANY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleHEXAGON
nut_height0.093 INCHES NOMINAL IN
thread_class3B
thread_seriesUNEF
thread_directionRIGHT-HAND
width_across_flats0.812 INCHES NOMINAL IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeWASHER FACED
thread_quantity_per_inch24
NSN5310-00-373-9412
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: C61501 · 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
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
THREAD QUANTITY PER INCH: 24
•
THREAD SERIES: UNEF
•
BEARING SURFACE TYPE: WASHER FACED
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
NUT HEIGHT: 0.093 INCHES NOMINAL IN
•
THREAD CLASS: 3B
•
WIDTH ACROSS FLATS: 0.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM ALLOY OVERALL
THREAD QUANTITY PER INCH24
THREAD SERIESUNEF
BEARING SURFACE TYPEWASHER FACED
NOMINAL THREAD SIZE0.625 INCHES IN
NUT HEIGHT0.093 INCHES NOMINAL IN
THREAD CLASS3B
WIDTH ACROSS FLATS0.812 INCHES NOMINAL IN
NUT STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
44J72PC1T07BUSHINGInterchangeable
interchangeable cross-reference
interchangeable
CPX4 1-2Interchangeable
interchangeable cross-reference
interchangeable
D2-9352-127Interchangeable
interchangeable cross-reference
interchangeable
45126Interchangeable
interchangeable cross-reference
interchangeable
704Interchangeable
interchangeable cross-reference
interchangeable
58-10133Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C61501?
C61501 is a NUT,PLAIN,HEXAGON.
What parts can replace C61501?
There are 13 known substitutes for C61501: 44J72PC1T07BUSHING, CPX4 1-2, D2-9352-127 and 10 more. Substitute compatibility should be verified for your specific system.
Is C61501 still available?
C61501 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