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BACB30FD4-25P — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30FD4-25P: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include head_style: DOUBLE HEXAGON W/HOLE, grip_length: 1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN, head_height: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, thread_length: 0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-439-2507, 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
BACB30FD4-25P
NSN: 5306-01-439-2507
FSC: 5306 — Bolts
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)
SPECIFICATIONS
head_styleDOUBLE HEXAGON W/HOLE
grip_length1.552 INCHES MINIMUM AND 1.572 INCHES MAXIMUM IN
head_height0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
thread_length0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
fastener_length2.032 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
width_between_flats0.306 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN
nominal_thread_diameter0.250 INCHES IN
extended_washer_diameter0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
minimum_tensile_strength180000 POUNDS PER SQUARE INCH LBS
NSN5306-01-439-2507
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30FD4-25P · 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: 0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.032 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL THREAD DIAMETER: 0.250 INCHES IN
TECHNICAL CHARACTERISTICS
EXTENDED WASHER THICKNESS0.059 INCHES MINIMUM AND 0.079 INCHES MAXIMUM IN
HEAD HEIGHT0.290 INCHES MINIMUM AND 0.310 INCHES MAXIMUM IN
FASTENER LENGTH2.032 INCHES MINIMUM AND 2.062 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONNAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.428 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN
THREAD LENGTH0.460 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEDOUBLE HEXAGON W/HOLE
THREAD DIRECTIONRIGHT-HAND
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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACB30FD4-25P?
BACB30FD4-25P is a BOLT,SHEAR.
What is the NSN for BACB30FD4-25P?
BACB30FD4-25P is cataloged in the U.S. Government catalog under NSN 5306-01-439-2507. 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.