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RAR2403 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

RAR2403: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.109 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.437 INCHES MINIMUM IN, fastener_length: 1.546 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-606-6574, 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
RAR2403
NSN: 5306-00-606-6574
FSC: 5306 — Bolts
CAGE: F3015 — NAVAL GROUP SITE DE LORIENT (FRA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.109 INCHES NOMINAL IN
thread_class2A A
thread_length1.437 INCHES MINIMUM IN
fastener_length1.546 INCHES MINIMUM IN
thread_directionRIGHT-HAND
features_providedUNFINISHED HEAD
surface_treatmentCADMIUM OVERALL
width_between_flats0.312 INCHES NOMINAL IN
nominal_thread_diameter0.190 INCHES IN
thread_quantity_per_inch32
NSN5306-00-606-6574
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: RAR2403 · 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: 0.109 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.546 INCHES MINIMUM IN
•
THREAD LENGTH: 1.437 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.190 INCHES IN
•
FEATURES PROVIDED: UNFINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.312 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.109 INCHES NOMINAL IN
FASTENER LENGTH1.546 INCHES MINIMUM IN
THREAD LENGTH1.437 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.190 INCHES IN
FEATURES PROVIDEDUNFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.312 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
THREAD CLASS2A A
SUBSTITUTES & CROSS-REFERENCES 1
190207Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is RAR2403?
RAR2403 is a BOLT,MACHINE.
What parts can replace RAR2403?
There is 1 known substitute for RAR2403: 190207. Substitute compatibility should be verified for your specific system.
What is the NSN for RAR2403?
RAR2403 is cataloged in the U.S. Government catalog under NSN 5306-00-606-6574. 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.