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74834764-5 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

74834764-5: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 3.250 INCHES NOMINAL IN, head_height: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 2.250 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-124-7685, 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
74834764-5
NSN: 5306-01-124-7685
FSC: 5306 — Bolts
CAGE: 0AHU0 — KALMAR AC INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length3.250 INCHES NOMINAL IN
head_height0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
thread_class3A A
thread_length2.250 INCHES NOMINAL IN
fastener_length5.340 INCHES MINIMUM AND 5.560 INCHES MAXIMUM IN
hardness_rating25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats1.410 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
nominal_thread_diameter0.875 INCHES IN
NSN5306-01-124-7685
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 74834764-5 · 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: 0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
•
FASTENER LENGTH: 5.340 INCHES MINIMUM AND 5.560 INCHES MAXIMUM IN
•
THREAD LENGTH: 2.250 INCHES NOMINAL IN
•
HARDNESS RATING: 25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.531 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN
FASTENER LENGTH5.340 INCHES MINIMUM AND 5.560 INCHES MAXIMUM IN
THREAD LENGTH2.250 INCHES NOMINAL IN
HARDNESS RATING25.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH3.250 INCHES NOMINAL IN
WIDTH BETWEEN FLATS1.410 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
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 1
4834764-5Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 74834764-5?
74834764-5 is a BOLT,MACHINE.
What parts can replace 74834764-5?
There is 1 known substitute for 74834764-5: 4834764-5. Substitute compatibility should be verified for your specific system.
What is the NSN for 74834764-5?
74834764-5 is cataloged in the U.S. Government catalog under NSN 5306-01-124-7685. 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.