BACB30L4U3 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BACB30L4U3: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: UNDERCUT HEXAGON, grip_length: 0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN, head_height: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2496 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-209-9375, 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

BACB30L4U3

NSN: 5306-01-209-9375
FSC: 5306 — Bolts
CAGE: 06725 — SPS TECHNOLOGIES, LLC DBA AIR INDUSTRIES COMPANY DIV AIR INDUSTRIES COMPANY (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
head_style	UNDERCUT HEXAGON
grip_length	0.178 INCHES MINIMUM AND 0.198 INCHES MAXIMUM IN
head_height	0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2490 INCHES MINIMUM AND 0.2496 INCHES MAXIMUM IN
thread_length	0.364 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES GRIP
fastener_length	0.562 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
special_features	ITEM IS FAA CERTIFIED
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
NSN	5306-01-209-9375

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.562 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.364 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
HEAD HEIGHT	0.110 INCHES MINIMUM AND 0.140 INCHES MAXIMUM IN
FASTENER LENGTH	0.562 INCHES MINIMUM AND 0.592 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.364 INCHES MINIMUM AND 0.414 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	MS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	UNDERCUT HEXAGON
THREAD DIRECTION	RIGHT-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 1

BACB30LJ4U3Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 BACB30L4U3?

BACB30L4U3 is a BOLT,CLOSE TOLERANCE.

What parts can replace BACB30L4U3?

There is 1 known substitute for BACB30L4U3: BACB30LJ4U3. Substitute compatibility should be verified for your specific system.

What is the NSN for BACB30L4U3?

BACB30L4U3 is cataloged in the U.S. Government catalog under NSN 5306-01-209-9375. This indicates validated use in U.S. government and defense supply chains.

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