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3425A — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

3425A: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1212 OVERALL, head_style: HEXAGON, grip_length: 0.188 INCHES NOMINAL IN, head_height: 0.203 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.688 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-207-8348, 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
3425A
NSN: 5306-00-207-8348
FSC: 5306 — Bolts
CAGE: 1ML14 — BRINKLEY TECHNOLOGY GROUP LLC DBA HERCULES MANUFACTURING (USA)
SPECIFICATIONS
materialSTEEL COMP 1212 OVERALL
head_styleHEXAGON
grip_length0.188 INCHES NOMINAL IN
head_height0.203 INCHES NOMINAL IN
thread_class3A A
thread_length0.688 INCHES MINIMUM IN
fastener_length0.875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.500 INCHES NOMINAL IN
thread_quantity_per_inch24
thread_series_designatorUNF
NSN5306-00-207-8348
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 3425A · 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: 0.203 INCHES NOMINAL IN
•
FASTENER LENGTH: 0.875 INCHES NOMINAL IN
•
THREAD LENGTH: 0.688 INCHES MINIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.188 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.203 INCHES NOMINAL IN
FASTENER LENGTH0.875 INCHES NOMINAL IN
THREAD LENGTH0.688 INCHES MINIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.188 INCHES NOMINAL IN
WIDTH BETWEEN FLATS0.500 INCHES NOMINAL IN
THREAD CLASS3A A
OTHER ITEMS IN FSC 5306 — Bolts
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459
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 3425A?
3425A is a BOLT,MACHINE.
What is the NSN for 3425A?
3425A is cataloged in the U.S. Government catalog under NSN 5306-00-207-8348. 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.