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MB84-5D43 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

MB84-5D43: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, thread_length: 0.526 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-285-9178, 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
MB84-5D43
NSN: 5306-00-285-9178
FSC: 5306 — Bolts
CAGE: 73197 — HI-SHEAR CORPORATION (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
head_styleDOUBLE HEXAGON W/HOLE
head_height0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
thread_length0.526 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
fastener_length3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
surface_treatmentPASSIVATE OVERALL
width_between_flats0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
extended_washer_diameter0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
minimum_tensile_strength220000 POUNDS PER SQUARE INCH LBS
NSN5306-00-285-9178
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: MB84-5D43 · 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: 0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.526 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
•
SHANK UNTHREADED HOLE DIAMETER: 3.143 INCHES MINIMUM AND 3.178 INCHES MAXIMUM FIRST HOLE IN
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON W/HOLE
•
WIDTH BETWEEN FLATS: 0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.338 INCHES MINIMUM AND 0.358 INCHES MAXIMUM IN
FASTENER LENGTH3.224 INCHES MINIMUM AND 3.254 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER0.521 INCHES MINIMUM AND 0.531 INCHES MAXIMUM IN
THREAD LENGTH0.526 INCHES MINIMUM AND 0.576 INCHES MAXIMUM IN
SHANK UNTHREADED HOLE DIAMETER3.143 INCHES MINIMUM AND 3.178 INCHES MAXIMUM FIRST HOLE IN
NOMINAL THREAD DIAMETER0.312 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
WIDTH BETWEEN FLATS0.367 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN
GRIP DIAMETER0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
SURFACE TREATMENTPASSIVATE OVERALL
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 7
ST3M571-5D43Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
VS3060-5D43Reference document
Same NSN cross-reference
Reference document — Secondary reference
74328-5D43Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
AIC752-5D43Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
S11-1059-5D43Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
GS1030-5D43Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is MB84-5D43?
MB84-5D43 is a BOLT,SHEAR.
What parts can replace MB84-5D43?
There are 7 known substitutes for MB84-5D43: ST3M571-5D43, VS3060-5D43, 74328-5D43 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for MB84-5D43?
MB84-5D43 is cataloged in the U.S. Government catalog under NSN 5306-00-285-9178. 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.