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BACB30LE4K11 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30LE4K11: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, head_height: 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN, thread_class: 3A A, thread_length: 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN, fastener_length: 0.6875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-654-6300, 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
BACB30LE4K11
NSN: 5306-01-654-6300
FSC: 5306 — Bolts
CAGE: 77272 — THE BOEING COMPANY (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
head_height0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
thread_class3A A
thread_length0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
fastener_length0.6875 INCHES NOMINAL IN
thread_directionRIGHT-HAND
surface_treatmentALUMINUM OVERALL
width_between_flats0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN
end_item_identification1520-01-457-5179
nominal_thread_diameter0.250 INCHES IN
extended_washer_diameter0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
NSN5306-01-654-6300
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30LE4K11 · 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
•
EXTENDED WASHER THICKNESS: 0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
•
FASTENER LENGTH: 0.6875 INCHES NOMINAL IN
•
EXTENDED WASHER DIAMETER: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: SAE-AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON W/HOLE
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.032 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
HEAD HEIGHT0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
FASTENER LENGTH0.6875 INCHES NOMINAL IN
EXTENDED WASHER DIAMETER0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
THREAD LENGTH0.312 INCHES MINIMUM AND 0.327 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONSAE-AMS5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD DIRECTIONRIGHT-HAND
WIDTH BETWEEN FLATS0.347 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN
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

No substitute or cross-reference records for this part.

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 BACB30LE4K11?
BACB30LE4K11 is a BOLT,MACHINE.
What is the NSN for BACB30LE4K11?
BACB30LE4K11 is cataloged in the U.S. Government catalog under NSN 5306-01-654-6300. This indicates validated use in U.S. government and defense supply chains.
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