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Technical Data Sheet
PartsTable / COMPONENT / 424655
424655 ✓ 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 MECHANISM ADJUSTMENT MOUNT is a the manufacturer industrial component. Key specifications include end_item_identification: 1010012339493. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-042-4655, 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
424655
NSN: 5305-00-042-4655
FSC: 5305
CAGE: 21450 — ARMY WEAPONS COMMAND ATTN AMSWE-REE-S (USA)
SPECIFICATIONS
end_item_identification1010012339493
NSN5305-00-042-4655
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 424655 · 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
•
INTERNAL DRIVE STYLE: CROSS RECESS TYPE 1
•
FASTENER LENGTH: 0.625 INCHES NOMINAL IN
•
WASHER QUANTITY: 1
•
HEAD STYLE: ROUND
•
THREAD SERIES DESIGNATOR: UNF
•
MATERIAL: STEEL OVERALL
•
PRIMARY WASHER STYLE: FLAT EXTERNAL TEETH
•
HEAD DIAMETER: 0.670 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
INTERNAL DRIVE STYLECROSS RECESS TYPE 1
FASTENER LENGTH0.625 INCHES NOMINAL IN
WASHER QUANTITY1
HEAD STYLEROUND
THREAD SERIES DESIGNATORUNF
MATERIALSTEEL OVERALL
PRIMARY WASHER STYLEFLAT EXTERNAL TEETH
HEAD DIAMETER0.670 INCHES MINIMUM AND 0.708 INCHES MAXIMUM IN
PRIMARY WASHER OUTSIDE DIAMETER0.680 INCHES MINIMUM AND 0.695 INCHES MAXIMUM IN
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
424657Interchangeable
interchangeable cross-reference
interchangeable
424666-1Interchangeable
interchangeable cross-reference
interchangeable
424666Interchangeable
interchangeable cross-reference
interchangeable
6289516Interchangeable
interchangeable cross-reference
interchangeable
424655Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 424655?
424655 is a MECHANISM ADJUSTMENT MOUNT.
What parts can replace 424655?
There are 5 known substitutes for 424655: 424657, 424666-1, 424666 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 424655?
424655 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-042-4655. 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