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BACB30US4K2H — BOLT,SHEAR

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

BACB30US4K2H: BOLT,SHEAR.

The BOLT,SHEAR is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, hole_type: DRILLED, head_style: DOUBLE HEXAGON EXTENDED WASHER, grip_length: 0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN, head_height: 0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-485-0733, 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
BACB30US4K2H
NSN: 5306-01-485-0733
FSC: 5306 — Bolts
CAGE: 5M902 — HOWMET GLOBAL FASTENING SYSTEMS INC. DIV VOI-SHAN PRODUCTS (USA)
SPECIFICATIONS
materialNICKEL ALLOY 718 OVERALL
hole_typeDRILLED
head_styleDOUBLE HEXAGON EXTENDED WASHER
grip_length0.115 INCHES MINIMUM AND 0.135 INCHES MAXIMUM IN
head_height0.225 INCHES MINIMUM AND 0.245 INCHES MAXIMUM IN
thread_class3A A
grip_diameter0.2481 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
hole_diameter0.036 INCHES MINIMUM AND 0.042 INCHES MAXIMUM IN
hole_quantity4
thread_length0.500 INCHES NOMINAL IN
fastener_length0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
thread_directionRIGHT-HAND
NSN5306-01-485-0733
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: BACB30US4K2H · 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: 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: BMS10-85 CAGE 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
EXTENDED WASHER DIAMETER: 0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.500 INCHES NOMINAL IN
•
HOLE CONFIGURATION STYLE: DOUBLE HEXAGON FLATS
•
MATERIAL DOCUMENT AND CLASSIFICATION: AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5962 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
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 LENGTH0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONBMS10-85 CAGE 81205 MFR REF SINGLE TREATMENT RESPONSE OVERALL
EXTENDED WASHER DIAMETER0.465 INCHES MINIMUM AND 0.475 INCHES MAXIMUM IN
THREAD LENGTH0.500 INCHES NOMINAL IN
HOLE CONFIGURATION STYLEDOUBLE HEXAGON FLATS
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5662 ASSN STD SINGLE MATERIAL RESPONSE OR AMS5962 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER0.250 INCHES IN
HEAD STYLEDOUBLE HEXAGON EXTENDED WASHER
SUBSTITUTES & CROSS-REFERENCES 3
BACB30EJ4H2Reference document
Same NSN cross-reference
Reference document — Secondary reference
EWBTM9-4H2Reference document
Same NSN cross-reference
Reference document — Secondary reference
BM9022-4H2Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 BACB30US4K2H?
BACB30US4K2H is a BOLT,SHEAR.
What parts can replace BACB30US4K2H?
There are 3 known substitutes for BACB30US4K2H: BACB30EJ4H2, EWBTM9-4H2, BM9022-4H2. Substitute compatibility should be verified for your specific system.
What is the NSN for BACB30US4K2H?
BACB30US4K2H is cataloged in the U.S. Government catalog under NSN 5306-01-485-0733. 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.