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Technical Data Sheet
PartsTable / COMPONENT / BM3326-6-14
BM3326-6-14 ✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN, head_height: 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-332-4486, 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
BM3326-6-14
NSN: 5306-00-332-4486
FSC: 5306
CAGE: 97928 — HUCK INTL INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN
head_height0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3740 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
thread_length0.589 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN
fastener_length1.474 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
nominal_thread_diameter0.375 INCHES IN
NSN5306-00-332-4486
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BM3326-6-14 · 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
•
WIDTH BETWEEN FLATS: 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
•
FASTENER LENGTH: 1.474 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
•
THREAD SERIES DESIGNATOR: UNF
•
SURFACE TREATMENT: PASSIVATE OVERALL
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
•
EXTENDED WASHER DIAMETER: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
•
THREAD QUANTITY PER INCH: 24
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS (FLIS)
WIDTH BETWEEN FLATS0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
FASTENER LENGTH1.474 INCHES MINIMUM AND 1.504 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNF
SURFACE TREATMENTPASSIVATE OVERALL
MATERIALSTEEL CORROSION RESISTING OVERALL
EXTENDED WASHER DIAMETER0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
THREAD QUANTITY PER INCH24
NOMINAL THREAD DIAMETER0.375 INCHES IN
THREAD LENGTH0.589 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
W68X7Interchangeable
interchangeable cross-reference
interchangeable
68F7-16X1-4Interchangeable
interchangeable cross-reference
interchangeable
140291Interchangeable
interchangeable cross-reference
interchangeable
74328-6-14Interchangeable
Same NIIN cross-reference
interchangeable
ST3M571-6-14Interchangeable
Same NIIN cross-reference
interchangeable
VS3060-6-14Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM3326-6-14?
BM3326-6-14 is a BOLT,CLOSE TOLERANCE.
What parts can replace BM3326-6-14?
There are 9 known substitutes for BM3326-6-14: W68X7, 68F7-16X1-4, 140291 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BM3326-6-14?
BM3326-6-14 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-00-332-4486. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026