BACB30LU6-62 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BACB30LU6-62: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN, head_diameter: 0.691 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-435-8304, 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

BACB30LU6-62

NSN: 5305-01-435-8304
FSC: 5305 — Screws
CAGE: 1RC86 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV CITY OF INDUSTRY OPERATIONS (USA)

SPECIFICATIONS

material	STEEL COMP E4340 OR STEEL COMP 8740 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	3.865 INCHES MINIMUM AND 3.885 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN
head_diameter	0.691 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN
thread_length	0.578 INCHES NOMINAL IN
surface_finish	32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length	4.438 INCHES MINIMUM AND 4.468 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5305-01-435-8304

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

FASTENER LENGTH: 4.438 INCHES MINIMUM AND 4.468 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL

•

THREAD LENGTH: 0.578 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
FASTENER LENGTH	4.438 INCHES MINIMUM AND 4.468 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416, TYPE 2, CLASS 2 FED SPEC ALL TREATMENT RESPONSES OVERALL
THREAD LENGTH	0.578 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-5000 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 2ND MATERIAL RESPONSE OR AMS 6322 ASSN STD 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

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 BACB30LU6-62?

BACB30LU6-62 is a SCREW,CLOSE TOLERANCE.

What is the NSN for BACB30LU6-62?

BACB30LU6-62 is cataloged in the U.S. Government catalog under NSN 5305-01-435-8304. This indicates validated use in U.S. government and defense supply chains.

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