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BF1910020 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BF1910020: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, head_height: 0.400 INCHES NOMINAL IN, thread_class: 2A A, thread_length: 1.125 INCHES NOMINAL IN, fastener_length: 1.219 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-188-0263, 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
BF1910020
NSN: 5306-00-188-0263
FSC: 5306 — Bolts
CAGE: 18990 — EAGLE CRUSHER CO INC DBA STEDMAN MACHINE CO (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
head_height0.400 INCHES NOMINAL IN
thread_class2A A
thread_length1.125 INCHES NOMINAL IN
fastener_length1.219 INCHES NOMINAL IN
thread_directionRIGHT-HAND
width_between_flats0.928 INCHES NOMINAL IN
nominal_thread_diameter0.625 INCHES IN
thread_quantity_per_inch11
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-00-188-0263
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BF1910020 · 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: 0.400 INCHES NOMINAL IN
•
FASTENER LENGTH: 1.219 INCHES NOMINAL IN
•
THREAD LENGTH: 1.125 INCHES NOMINAL IN
•
NOMINAL THREAD DIAMETER: 0.625 INCHES IN
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
WIDTH BETWEEN FLATS: 0.928 INCHES NOMINAL IN
•
THREAD CLASS: 2A A
TECHNICAL CHARACTERISTICS
HEAD HEIGHT0.400 INCHES NOMINAL IN
FASTENER LENGTH1.219 INCHES NOMINAL IN
THREAD LENGTH1.125 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER0.625 INCHES IN
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.928 INCHES NOMINAL IN
THREAD CLASS2A A
THREAD QUANTITY PER INCH11
MATERIALSTEEL 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

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BF1910020?
BF1910020 is a BOLT,MACHINE.
What is the NSN for BF1910020?
BF1910020 is cataloged in the U.S. Government catalog under NSN 5306-00-188-0263. 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.