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Technical Data Sheet
PartsTable / COMPONENT / 423518
423518 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.067 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN, thread_class: 2A A, thread_length: 0.234 INCHES MINIMUM IN, fastener_length: 0.250 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-638-0714, 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
423518
NSN: 5305-00-638-0714
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.067 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
thread_class2A A
thread_length0.234 INCHES MINIMUM IN
fastener_length0.250 INCHES NOMINAL IN
washer_quantity1
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_between_flats0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
internal_drive_styleW/O INTERNAL DRIVE
primary_washer_styleFLAT EXTERNAL TEETH
NSN5305-00-638-0714
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 423518 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD HEIGHT: 0.067 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
•
INTERNAL DRIVE STYLE: W/O INTERNAL DRIVE
•
SURFACE TREATMENT: CADMIUM OVERALL
•
PRIMARY WASHER MATERIAL THICKNESS: 0.016 INCHES NOMINAL IN
•
HEAD STYLE: HEXAGON
•
WASHER QUANTITY: 1
•
THREAD DIRECTION: RIGHT-HAND
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
TECHNICAL CHARACTERISTICS (FLIS)
HEAD HEIGHT0.067 INCHES MINIMUM AND 0.080 INCHES MAXIMUM IN
INTERNAL DRIVE STYLEW/O INTERNAL DRIVE
SURFACE TREATMENTCADMIUM OVERALL
PRIMARY WASHER MATERIAL THICKNESS0.016 INCHES NOMINAL IN
HEAD STYLEHEXAGON
WASHER QUANTITY1
THREAD DIRECTIONRIGHT-HAND
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
THREAD LENGTH0.234 INCHES MINIMUM IN
THREAD QUANTITY PER INCH32
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
63214Interchangeable
interchangeable cross-reference
interchangeable
AN500C4-4Interchangeable
interchangeable cross-reference
interchangeable
Y1-4TInterchangeable
interchangeable cross-reference
interchangeable
319005PC3Interchangeable
interchangeable cross-reference
interchangeable
LH4096-108Interchangeable
interchangeable cross-reference
interchangeable
54329-1018Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 423518?
423518 is a TRANSFORMER,POWER.
What parts can replace 423518?
There are 9 known substitutes for 423518: 63214, AN500C4-4, Y1-4T and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 423518?
423518 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-638-0714. 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