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PartsTable / COMPONENT / 5310AC1-010
5310AC1-010 ✓ 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,CASTELLATED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: CASTELLATED, HEXAGON, nut_height: 0.312 INCHES NOMINAL IN, thread_class: 3B, thread_series: UNF, special_features: TOP SURFACE CHAMFERED 45 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-893-1579, 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
5310AC1-010
NSN: 5310-00-893-1579
FSC: 5310
CAGE: 81996 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleCASTELLATED, HEXAGON
nut_height0.312 INCHES NOMINAL IN
thread_class3B
thread_seriesUNF
special_featuresTOP SURFACE CHAMFERED 45 DEGREES
thread_directionRIGHT-HAND
countersink_angle110.0 DEGREES NOMINAL NUT
surface_treatmentCADMIUM OVERALL
width_across_flats0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
nominal_thread_size0.625 INCHES IN
bearing_surface_typeWASHER FACED
NSN5310-00-893-1579
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5310AC1-010 · 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
•
NOMINAL THREAD SIZE: 0.625 INCHES IN
•
THREAD SERIES: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NUT HEIGHT: 0.312 INCHES NOMINAL IN
•
SURFACE TREATMENT: CADMIUM OVERALL
•
NUT STYLE: CASTELLATED, HEXAGON
•
BEARING SURFACE TYPE: WASHER FACED
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.625 INCHES IN
THREAD SERIESUNF
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.312 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
SPECIAL FEATURESTOP SURFACE CHAMFERED 45 DEGREES
NUT STYLECASTELLATED, HEXAGON
BEARING SURFACE TYPEWASHER FACED
WIDTH ACROSS FLATS0.986 INCHES MINIMUM AND 1.002 INCHES MAXIMUM IN
BEARING SURFACE FINISH125.0 MICROINCHES
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
00044Interchangeable
interchangeable cross-reference
interchangeable
50165Interchangeable
interchangeable cross-reference
interchangeable
22518CADInterchangeable
interchangeable cross-reference
interchangeable
5018-260Interchangeable
interchangeable cross-reference
interchangeable
SC-B-70098Interchangeable
interchangeable cross-reference
interchangeable
93769W1ITEM1DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5310AC1-010?
5310AC1-010 is a NUT,PLAIN,CASTELLATED,HEXAGON.
What parts can replace 5310AC1-010?
There are 13 known substitutes for 5310AC1-010: 00044, 50165, 22518CAD and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 5310AC1-010?
5310AC1-010 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-893-1579. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026