BACB30LU8-20X — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BACB30LU8-20X: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: STEEL COMP E4340 OR STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.927 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN, thread_length: 0.735 INCHES NOMINAL IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-175-3672, 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

BACB30LU8-20X

NSN: 5305-01-175-3672
FSC: 5305 — Screws
CAGE: 81205 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

material	STEEL COMP E4340 OR STEEL COMP 8740 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.927 INCHES MINIMUM AND 1.019 INCHES MAXIMUM IN
thread_length	0.735 INCHES NOMINAL IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
shoulder_length	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.514 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5305-01-175-3672

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM FIRST SHOULDER IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TYPE 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

SHOULDER DIAMETER: 0.514 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.735 INCHES NOMINAL IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

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: 0.500 INCHES IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.970 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN
SHOULDER LENGTH	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416,TYPE 2 CL 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.514 INCHES MINIMUM AND 0.515 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.735 INCHES NOMINAL IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
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	0.500 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: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is BACB30LU8-20X?

BACB30LU8-20X is a SCREW,SHOULDER.

What is the NSN for BACB30LU8-20X?

BACB30LU8-20X is cataloged in the U.S. Government catalog under NSN 5305-01-175-3672. This indicates validated use in U.S. government and defense supply chains.

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