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165-3928 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

165-3928: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 7.3 MILLIMETERS NOMINAL MM, thread_length: 25.4 MILLIMETERS NOMINAL MM, fastener_length: 31.7 MILLIMETERS NOMINAL MM, thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-579-8971, 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
165-3928
NSN: 5306-01-579-8971
FSC: 5306 — Bolts
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height7.3 MILLIMETERS NOMINAL MM
thread_length25.4 MILLIMETERS NOMINAL MM
fastener_length31.7 MILLIMETERS NOMINAL MM
thread_directionRIGHT-HAND
width_between_flats14.2 MILLIMETERS NOMINAL MM
end_item_identification3805-01-560-2384 GRADER,ROAD,MOTORIZED
thread_series_designatorUNIFIED NATIONAL JOINT (UNJ)
part_name_assigned_by_controlling_agencyBOLT-HEX HEAD
NSN5306-01-579-8971
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 165-3928 · 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: 7.3 MILLIMETERS NOMINAL MM
•
FASTENER LENGTH: 31.7 MILLIMETERS NOMINAL MM
•
THREAD LENGTH: 25.4 MILLIMETERS NOMINAL MM
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 14.2 MILLIMETERS NOMINAL MM
TECHNICAL CHARACTERISTICS
HEAD HEIGHT7.3 MILLIMETERS NOMINAL MM
FASTENER LENGTH31.7 MILLIMETERS NOMINAL MM
THREAD LENGTH25.4 MILLIMETERS NOMINAL MM
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS14.2 MILLIMETERS NOMINAL MM
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT-HEX HEAD
END ITEM IDENTIFICATION3805-01-560-2384 GRADER,ROAD,MOTORIZED
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT (UNJ)
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
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 165-3928?
165-3928 is a BOLT,MACHINE.
What is the NSN for 165-3928?
165-3928 is cataloged in the U.S. Government catalog under NSN 5306-01-579-8971. 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.