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Technical Data Sheet
PartsTable / COMPONENT / DIN912M6X40-8.8B4N
DIN912M6X40-8.8B4N ✓ 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 DIN912M6X40-8.8B4N is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-437-6344, 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
DIN912M6X40-8.8B4N
NSN: 5305-01-437-6344
FSC: 5305
CAGE: 1CJ86 — BOSSARD INTL INC (USA)
SPECIFICATIONS
Part NumberDIN912M6X40-8.8B4N
NSN5305-01-437-6344
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: DIN912M6X40-8.8B4N · 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
•
EXTERNAL THREAD TOLERANCE CLASS: 6G G
•
SURFACE TREATMENT: CADMIUM OR ZINC OVERALL
•
THREAD SERIES DESIGNATOR: M
•
FASTENER LENGTH: 40.0 MILLIMETERS NOMINAL MM
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 6.0 MILLIMETERS MM
•
HEAD STYLE: FLAT FILLISTER
•
THREAD PITCH IN MILLIMETERS: 1.0
TECHNICAL CHARACTERISTICS (FLIS)
EXTERNAL THREAD TOLERANCE CLASS6G G
SURFACE TREATMENTCADMIUM OR ZINC OVERALL
THREAD SERIES DESIGNATORM
FASTENER LENGTH40.0 MILLIMETERS NOMINAL MM
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER6.0 MILLIMETERS MM
HEAD STYLEFLAT FILLISTER
THREAD PITCH IN MILLIMETERS1.0
THREAD LENGTH24.0 MILLIMETERS NOMINAL MM
HEAD HEIGHT6.0 MILLIMETERS NOMINAL MM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
72-503Interchangeable
interchangeable cross-reference
interchangeable
71-688Interchangeable
interchangeable cross-reference
interchangeable
BA53Interchangeable
interchangeable cross-reference
interchangeable
MILB18Interchangeable
interchangeable cross-reference
interchangeable
8051Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is DIN912M6X40-8.8B4N?
DIN912M6X40-8.8B4N is a DIN912M6X40-8.8B4N.
What parts can replace DIN912M6X40-8.8B4N?
There are 23 known substitutes for DIN912M6X40-8.8B4N: 72-503, 71-688, BA53 and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for DIN912M6X40-8.8B4N?
DIN912M6X40-8.8B4N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-01-437-6344. 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