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PartsTable / COMPONENT / 12414451
12414451 ✓ 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 SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, fastener_length: 1.970 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.4375 INCHES IN, thread_quantity_per_inch: 20, thread_series_designator: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-433-8406, 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
12414451
NSN: 5305-01-433-8406
FSC: 5305
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
head_styleHEXAGON
fastener_length1.970 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.4375 INCHES IN
thread_quantity_per_inch20
thread_series_designatorUNF
NSN5305-01-433-8406
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 12414451 · 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
•
THREAD QUANTITY PER INCH: 20
•
HEAD STYLE: HEXAGON
•
FASTENER LENGTH: 1.970 INCHES NOMINAL IN
•
THREAD SERIES DESIGNATOR: UNF
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.4375 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD QUANTITY PER INCH20
HEAD STYLEHEXAGON
FASTENER LENGTH1.970 INCHES NOMINAL IN
THREAD SERIES DESIGNATORUNF
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.4375 INCHES IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
14117Interchangeable
interchangeable cross-reference
interchangeable
MS16776Interchangeable
interchangeable cross-reference
interchangeable
ZZ-R-1415Interchangeable
interchangeable cross-reference
interchangeable
25956-5-3Interchangeable
interchangeable cross-reference
interchangeable
A745-26-6Interchangeable
interchangeable cross-reference
interchangeable
MILR15109Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12414451?
12414451 is a SCREW,SHOULDER.
What parts can replace 12414451?
There are 11 known substitutes for 12414451: 14117, MS16776, ZZ-R-1415 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 12414451?
12414451 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-433-8406. 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