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124-1678568 PC 18 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

124-1678568 PC 18: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 2.750 INCHES NOMINAL IN, head_height: 0.844 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 1.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-480-4432, 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
124-1678568 PC 18
NSN: 5306-01-480-4432
FSC: 5306 — Bolts
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length2.750 INCHES NOMINAL IN
head_height0.844 INCHES NOMINAL IN
thread_class3A A
thread_length1.250 INCHES NOMINAL IN
fastener_length4.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats2.156 INCHES NOMINAL IN
end_item_identificationMARINE HARDWARE AND HULL DOORS
nominal_thread_diameter1.250 INCHES IN
thread_quantity_per_inch7
NSN5306-01-480-4432
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 124-1678568 PC 18 · 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: 0.844 INCHES NOMINAL IN
•
FASTENER LENGTH: 4.000 INCHES NOMINAL IN
•
THREAD LENGTH: 1.250 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 1.250 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 2.750 INCHES NOMINAL IN
•
WIDTH BETWEEN FLATS: 2.156 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.844 INCHES NOMINAL IN
FASTENER LENGTH4.000 INCHES NOMINAL IN
THREAD LENGTH1.250 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER1.250 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.750 INCHES NOMINAL IN
WIDTH BETWEEN FLATS2.156 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYPIN, CABLE
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 2
124-1678568Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
124-1678562Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 124-1678568 PC 18?
124-1678568 PC 18 is a BOLT,MACHINE.
What parts can replace 124-1678568 PC 18?
There are 2 known substitutes for 124-1678568 PC 18: 124-1678568, 124-1678562. Substitute compatibility should be verified for your specific system.
What is the NSN for 124-1678568 PC 18?
124-1678568 PC 18 is cataloged in the U.S. Government catalog under NSN 5306-01-480-4432. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.