BACB30LL4-15X — SCREW,SHOULDER

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BACB30LL4-15X: SCREW,SHOULDER.

The SCREW,SHOULDER is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.688 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN, thread_length: 0.516 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN, shoulder_shape: ROUND FIRST SHOULDER. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-170-1348, 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

BACB30LL4-15X

NSN: 5305-01-170-1348
FSC: 5305 — Screws
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.688 INCHES MINIMUM AND 0.756 INCHES MAXIMUM IN
thread_length	0.516 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN
shoulder_shape	ROUND FIRST SHOULDER
fastener_length	1.464 INCHES MINIMUM AND 1.494 INCHES MAXIMUM IN
shoulder_length	0.825 INCHES MINIMUM AND 0.845 INCHES MAXIMUM FIRST SHOULDER IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
shoulder_diameter	0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER IN
surface_treatment	CADMIUM AND CHROMATE OVERALL
NSN	5305-01-170-1348

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.464 INCHES MINIMUM AND 1.494 INCHES MAXIMUM IN

•

SHOULDER LENGTH: 0.825 INCHES MINIMUM AND 0.845 INCHES MAXIMUM FIRST SHOULDER IN

•

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

•

SHOULDER DIAMETER: 0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER IN

•

THREAD LENGTH: 0.516 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN

•

SHOULDER SHAPE: ROUND FIRST SHOULDER

•

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

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.464 INCHES MINIMUM AND 1.494 INCHES MAXIMUM IN
SHOULDER LENGTH	0.825 INCHES MINIMUM AND 0.845 INCHES MAXIMUM FIRST SHOULDER IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TYPE 2 CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
SHOULDER DIAMETER	0.2641 INCHES MINIMUM AND 0.2651 INCHES MAXIMUM FIRST SHOULDER IN
THREAD LENGTH	0.516 INCHES MINIMUM AND 0.566 INCHES MAXIMUM IN
SHOULDER SHAPE	ROUND FIRST SHOULDER
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5737 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 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 BACB30LL4-15X?

BACB30LL4-15X is a SCREW,SHOULDER.

What is the NSN for BACB30LL4-15X?

BACB30LL4-15X is cataloged in the U.S. Government catalog under NSN 5305-01-170-1348. This indicates validated use in U.S. government and defense supply chains.

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