PartsTable
Technical Data Sheet
A63-45-14 ✓ 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,SLOTTED,HEXAGON is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: SLOTTED, HEXAGON, nut_height: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN, thread_class: 3B, thread_series: UNF, thread_direction: RIGHT-HAND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-176-8116, 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
A63-45-14
NSN: 5310-00-176-8116
FSC: 5310
CAGE: 74080 — HARVARD INDUSTRIES (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleSLOTTED, HEXAGON
nut_height0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
countersink_angle110.0 DEGREES NOMINAL NUT
surface_treatmentCADMIUM AND CHROMATE OVERALL
width_across_flats1.296 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
nominal_thread_size0.875 INCHES IN
bearing_surface_typeCHAMFERED OR WASHER FACED
thread_quantity_per_inch14
NSN5310-00-176-8116
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A63-45-14 · 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: 0.875 INCHES IN
THREAD SERIES: UNF
THREAD QUANTITY PER INCH: 14
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
THREAD DIRECTION: RIGHT-HAND
NUT HEIGHT: 0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
COUNTERSINK ANGLE: 110.0 DEGREES NOMINAL NUT
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONW/S:HELICOPTER, MH-53E; AIRCRAFT, OSPREY V-22A, AIR FORCE; ENGINE, AIRCRAFT, F110-GE-100/129 (F-16 C/D); AIRCRAFT, C-2A (REPROCURED); AIRCRAFT, OSPREY V-22A, MARINE CORPS; AIRCRAFT (AC-130H, MC-130H, EC-130E, HC-130); AIRCRAFT, T-39; AIRCRAFT, C-18A, EC-18B; AIRCRAFT, AWACS, E-3A; AIRCRAFT, AIRLIFTER C-17A A
NOMINAL THREAD SIZE0.875 INCHES IN
THREAD SERIESUNF
THREAD QUANTITY PER INCH14
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
THREAD DIRECTIONRIGHT-HAND
NUT HEIGHT0.422 INCHES MINIMUM AND 0.453 INCHES MAXIMUM IN
COUNTERSINK ANGLE110.0 DEGREES NOMINAL NUT
BEARING SURFACE TYPECHAMFERED OR WASHER FACED
WIDTH ACROSS FLATS1.296 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
25310050411Interchangeable
interchangeable cross-reference
interchangeable
358074SInterchangeable
interchangeable cross-reference
interchangeable
17022R1Interchangeable
interchangeable cross-reference
interchangeable
17513Interchangeable
interchangeable cross-reference
interchangeable
MCI723BICSInterchangeable
interchangeable cross-reference
interchangeable
A723HMQBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A63-45-14?
A63-45-14 is a NUT,PLAIN,SLOTTED,HEXAGON.
What parts can replace A63-45-14?
There are 16 known substitutes for A63-45-14: 25310050411, 358074S, 17022R1 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A63-45-14?
A63-45-14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-176-8116. This indicates validated use in U.S. government and defense supply chains.
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