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BACB30US14K40 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30US14K40: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON W/HOLE, grip_length: 2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN, head_height: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-371-5136, 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
BACB30US14K40
NSN: 5306-01-371-5136
FSC: 5306 — Bolts
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDOUBLE HEXAGON W/HOLE
grip_length2.490 INCHES MINIMUM AND 2.510 INCHES MAXIMUM IN
head_height0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.8730 INCHES MINIMUM AND 0.8740 INCHES MAXIMUM IN
thread_length1.337 INCHES NOMINAL IN
fastener_length3.822 INCHES MINIMUM AND 3.852 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
surface_treatmentALUMINUM OVERALL
width_between_flats0.922 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN
nominal_thread_diameter0.875 INCHES IN
NSN5306-01-371-5136
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30US14K40 · 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: 0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
•
FASTENER LENGTH: 3.822 INCHES MINIMUM AND 3.852 INCHES MAXIMUM IN
•
EXTENDED WASHER DIAMETER: 1.428 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
•
THREAD LENGTH: 1.337 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.875 INCHES IN
•
HEAD STYLE: DOUBLE HEXAGON W/HOLE
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.188 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
HEAD HEIGHT0.690 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN
FASTENER LENGTH3.822 INCHES MINIMUM AND 3.852 INCHES MAXIMUM IN
EXTENDED WASHER DIAMETER1.428 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
THREAD LENGTH1.337 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.875 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD DIRECTIONRIGHT-HAND
GRIP LENGTH2.490 INCHES MINIMUM AND 2.510 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 BACB30US14K40?
BACB30US14K40 is a BOLT,SHEAR.
What is the NSN for BACB30US14K40?
BACB30US14K40 is cataloged in the U.S. Government catalog under NSN 5306-01-371-5136. 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.