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BM3326-6-20 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BM3326-6-20: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN, head_height: 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-406-2978, 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
BM3326-6-20
NSN: 5306-01-406-2978
FSC: 5306 — Bolts
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
head_height0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
thread_length0.814 INCHES NOMINAL IN
fastener_length2.039 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
width_between_flats0.439 INCHES NOMINAL IN
end_item_identificationF-15S
NSN5306-01-406-2978
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BM3326-6-20 · 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
•
EXTENDED WASHER THICKNESS: 0.081 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.039 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.814 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: PH13-8MO MFR REF SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.375 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.081 INCHES MINIMUM AND 0.101 INCHES MAXIMUM IN
HEAD HEIGHT0.378 INCHES MINIMUM AND 0.398 INCHES MAXIMUM IN
FASTENER LENGTH2.039 INCHES MINIMUM AND 2.069 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.639 INCHES MINIMUM AND 0.649 INCHES MAXIMUM IN
THREAD LENGTH0.814 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONPH13-8MO MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.375 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD DIRECTIONRIGHT-HAND
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 7
S11-1059-6-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S371-6-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
11831-6-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS3060-6-20Reference document
Same NSN cross-reference
Reference document — Secondary reference
74328-6-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M571-6-20Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 BM3326-6-20?
BM3326-6-20 is a BOLT,SHEAR.
What parts can replace BM3326-6-20?
There are 7 known substitutes for BM3326-6-20: S11-1059-6-20, S371-6-20, 11831-6-20 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BM3326-6-20?
BM3326-6-20 is cataloged in the U.S. Government catalog under NSN 5306-01-406-2978. 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.