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347B1 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

347B1: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, grip_length: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN, head_height: 0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 1.000 INCHES MINIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-752-1692, 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
347B1
NSN: 5306-00-752-1692
FSC: 5306 — Bolts
CAGE: 56442 — DIAMOND REO TRUCK CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
grip_length0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
head_height0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
thread_class3A A
thread_length1.000 INCHES MINIMUM IN
fastener_length1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
features_providedFINISHED HEAD
width_between_flats0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
nominal_thread_diameter0.562 INCHES IN
thread_quantity_per_inch12
NSN5306-00-752-1692
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 347B1 · 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: 0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.000 INCHES MINIMUM IN
•
NOMINAL THREAD DIAMETER: 0.562 INCHES IN
•
FEATURES PROVIDED: FINISHED HEAD
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
GRIP LENGTH: 0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.459 INCHES MINIMUM AND 0.479 INCHES MAXIMUM IN
FASTENER LENGTH1.365 INCHES MINIMUM AND 1.385 INCHES MAXIMUM IN
THREAD LENGTH1.000 INCHES MINIMUM IN
NOMINAL THREAD DIAMETER0.562 INCHES IN
FEATURES PROVIDEDFINISHED HEAD
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH0.365 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
THREAD CLASS3A A
SUBSTITUTES & CROSS-REFERENCES 3
10X547Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
213766Reference document
Same NSN cross-reference
Reference document — Secondary reference
5306007521692Reference 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 347B1?
347B1 is a BOLT,MACHINE.
What parts can replace 347B1?
There are 3 known substitutes for 347B1: 10X547, 213766, 5306007521692. Substitute compatibility should be verified for your specific system.
What is the NSN for 347B1?
347B1 is cataloged in the U.S. Government catalog under NSN 5306-00-752-1692. 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.