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BACB30US10K20 — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30US10K20: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 1.24 INCHES MINIMUM AND 1.26 INCHES MAXIMUM IN, head_height: 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.6226 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-642-7972, 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
BACB30US10K20
NSN: 5306-01-642-7972
FSC: 5306 — Bolts
CAGE: 1RC86 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CITY OF INDUSTRY OPERATIONS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length1.24 INCHES MINIMUM AND 1.26 INCHES MAXIMUM IN
head_height0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.6226 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN
thread_length0.970 INCHES NOMINAL IN
surface_finish32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length2.205 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
special_featuresITEM IS FAA CERTIFIED
thread_directionRIGHT-HAND
surface_treatmentALUMINUM OVERALL
NSN5306-01-642-7972
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30US10K20 · 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
•
SURFACE FINISH: 32.0 MICROINCHES THREADS
•
EXTENDED WASHER THICKNESS: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
•
HEAD HEIGHT: 0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
•
FASTENER LENGTH: 2.205 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: ALUMINUM PIGMENTED COATING IAW BMS10-85,TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL
TECHNICAL CHARACTERISTICS
SURFACE FINISH32.0 MICROINCHES THREADS
SURFACE FINISH32.0 MICROINCHES GRIP
SURFACE FINISH32.0 MICROINCHES BEARING SURFACE OF HEAD
SURFACE FINISH32.0 MICROINCHES HEAD
EXTENDED WASHER THICKNESS0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN
HEAD HEIGHT0.520 INCHES MINIMUM AND 0.540 INCHES MAXIMUM IN
FASTENER LENGTH2.205 INCHES MINIMUM AND 2.235 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONALUMINUM PIGMENTED COATING IAW BMS10-85,TYPE I MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER1.04 INCHES MINIMUM AND 1.05 INCHES MAXIMUM IN
THREAD LENGTH0.970 INCHES NOMINAL 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: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BACB30US10K20?
BACB30US10K20 is a BOLT,SHEAR.
What is the NSN for BACB30US10K20?
BACB30US10K20 is cataloged in the U.S. Government catalog under NSN 5306-01-642-7972. 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.