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BM17019-3-50X — BOLT,SHOULDER

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BM17019-3-50X: BOLT,SHOULDER.

The BOLT,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: DOUBLE HEXAGON, head_height: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-141-7889, 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
BM17019-3-50X
NSN: 5306-01-141-7889
FSC: 5306 — Bolts
CAGE: 97928 — HUCK INTL INC (USA)
SPECIFICATIONS
materialSTEEL COMP XM-13 OVERALL
head_styleDOUBLE HEXAGON
head_height0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
thread_class3A A
thread_length0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
shoulder_shapeROUND FIRST SHOULDER
fastener_length3.440 INCHES MINIMUM AND 3.487 INCHES MAXIMUM IN
shoulder_length3.115 INCHES MINIMUM AND 3.135 INCHES MAXIMUM FIRST SHOULDER IN
thread_directionRIGHT-HAND
shoulder_diameter0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatmentPASSIVATE OVERALL
width_between_flats0.376 INCHES MAXIMUM IN
NSN5306-01-141-7889
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BM17019-3-50X · 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: 0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.440 INCHES MINIMUM AND 3.487 INCHES MAXIMUM IN
•
SHOULDER LENGTH: 3.115 INCHES MINIMUM AND 3.135 INCHES MAXIMUM FIRST SHOULDER IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
SHOULDER DIAMETER: 0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER IN
•
THREAD LENGTH: 0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
•
SHOULDER SHAPE: ROUND FIRST SHOULDER
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.130 INCHES MINIMUM AND 0.150 INCHES MAXIMUM IN
FASTENER LENGTH3.440 INCHES MINIMUM AND 3.487 INCHES MAXIMUM IN
SHOULDER LENGTH3.115 INCHES MINIMUM AND 3.135 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER0.2021 INCHES MINIMUM AND 0.2026 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH0.305 INCHES MINIMUM AND 0.372 INCHES MAXIMUM IN
SHOULDER SHAPEROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.190 INCHES IN
HEAD STYLEDOUBLE HEXAGON
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 5
S11-1061-3-50Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
ST3M497-3-50Reference document
Same NSN cross-reference
Reference document — Secondary reference
VS3037-3-50Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MA5497-3-50Reference document
Same NSN cross-reference
Reference document — Secondary reference
109450-3-50Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 BM17019-3-50X?
BM17019-3-50X is a BOLT,SHOULDER.
What parts can replace BM17019-3-50X?
There are 5 known substitutes for BM17019-3-50X: S11-1061-3-50, ST3M497-3-50, VS3037-3-50 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BM17019-3-50X?
BM17019-3-50X is cataloged in the U.S. Government catalog under NSN 5306-01-141-7889. 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.