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Technical Data Sheet
PartsTable / COMPONENT / BM17019-5-7Y
BM17019-5-7Y ✓ 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,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: DOUBLE HEXAGON, head_height: 0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-046-0512, 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
BM17019-5-7Y
NSN: 5306-01-046-0512
FSC: 5306
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleDOUBLE HEXAGON
head_height0.177 INCHES MINIMUM AND 0.197 INCHES MAXIMUM IN
thread_class3A A
thread_length0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN
shoulder_length0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
width_between_flats0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_diameter0.312 INCHES IN
NSN5306-01-046-0512
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BM17019-5-7Y · 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 STYLE: DOUBLE HEXAGON
•
THREAD LENGTH: 0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
•
SHOULDER LENGTH: 0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD QUANTITY PER INCH: 24
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
SPECIFICATION/STANDARD DATA: 76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
TECHNICAL CHARACTERISTICS (FLIS)
HEAD STYLEDOUBLE HEXAGON
THREAD LENGTH0.441 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
FASTENER LENGTH0.889 INCHES MINIMUM AND 0.936 INCHES MAXIMUM IN
SHOULDER DIAMETER0.3427 INCHES MINIMUM AND 0.3432 INCHES MAXIMUM FIRST SHOULDER IN
SHOULDER LENGTH0.428 INCHES MINIMUM AND 0.448 INCHES MAXIMUM FIRST SHOULDER IN
THREAD QUANTITY PER INCH24
SHOULDER SHAPEROUND FIRST SHOULDER
SPECIFICATION/STANDARD DATA76301-ST3-507 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
THREAD SERIES DESIGNATORUNIFIED NATIONAL JOINT FINE (UNJF)
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
119-2157Interchangeable
interchangeable cross-reference
interchangeable
70163Interchangeable
interchangeable cross-reference
interchangeable
HP5507-5-7Interchangeable
Same NIIN cross-reference
interchangeable
MB89-5-7Interchangeable
Same NIIN cross-reference
interchangeable
VS3038-5-7Interchangeable
Same NIIN cross-reference
interchangeable
109451-5-7Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is BM17019-5-7Y?
BM17019-5-7Y is a BOLT,SHOULDER.
What parts can replace BM17019-5-7Y?
There are 9 known substitutes for BM17019-5-7Y: 119-2157, 70163, HP5507-5-7 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BM17019-5-7Y?
BM17019-5-7Y is cataloged in the Federal Logistics Information System (FLIS) under NSN 5306-01-046-0512. 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.
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Last verified: July 2026