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60660345 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

60660345: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include head_style: HEXAGON, grip_length: 1.0 INCHES NOMINAL IN, head_height: 0.268 INCHES MAXIMUM IN, head_length: 0.650 INCHES MAXIMUM IN, grip_diameter: 0.375 INCHES NOMINAL IN, thread_length: 1.0 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-651-1741, 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
60660345
NSN: 5306-01-651-1741
FSC: 5306 — Bolts
CAGE: 57598 — ACS INDUSTRIES, INC. (USA)
SPECIFICATIONS
head_styleHEXAGON
grip_length1.0 INCHES NOMINAL IN
head_height0.268 INCHES MAXIMUM IN
head_length0.650 INCHES MAXIMUM IN
grip_diameter0.375 INCHES NOMINAL IN
thread_length1.0 INCHES NOMINAL IN
fastener_length3.518 INCHES MAXIMUM IN
width_between_flats0.562 INCHES MAXIMUM IN
end_item_identification3805-01-569-6091
nominal_thread_diameter0.375 INCHES IN
thread_quantity_per_inch16
part_name_assigned_by_controlling_agencyBOLT,MACHINE
NSN5306-01-651-1741
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 60660345 · 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: 0.268 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.518 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.0 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
•
HEAD STYLE: HEXAGON
•
GRIP LENGTH: 1.0 INCHES NOMINAL IN
•
HEAD LENGTH: 0.650 INCHES MAXIMUM IN
•
WIDTH BETWEEN FLATS: 0.562 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.268 INCHES MAXIMUM IN
FASTENER LENGTH3.518 INCHES MAXIMUM IN
THREAD LENGTH1.0 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEHEXAGON
GRIP LENGTH1.0 INCHES NOMINAL IN
HEAD LENGTH0.650 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.562 INCHES MAXIMUM IN
GRIP DIAMETER0.375 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,MACHINE
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 60660345?
60660345 is a BOLT,MACHINE.
What is the NSN for 60660345?
60660345 is cataloged in the U.S. Government catalog under NSN 5306-01-651-1741. 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.