BACB30LU-4D-35 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

BACB30LU-4D-35: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT COUNTERSUNK, thread_class: 3A A, head_diameter: 0.511 INCHES NOMINAL IN, thread_length: 0.375 INCHES MINIMUM IN, screw_material: STEEL, fastener_length: 2.562 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-680-5889, 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

BACB30LU-4D-35

NSN: 5305-00-680-5889
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

head_style	FLAT COUNTERSUNK
thread_class	3A A
head_diameter	0.511 INCHES NOMINAL IN
thread_length	0.375 INCHES MINIMUM IN
screw_material	STEEL
fastener_length	2.562 INCHES NOMINAL IN
hardness_rating	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
thread_direction	RIGHT-HAND
countersink_angle	100.0 DEGREES NOMINAL
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.250 INCHES IN
screw_surface_treatment	CADMIUM
NSN	5305-00-680-5889

COMPONENT DIAGRAM

KEY FEATURES

•

SCREW SURFACE TREATMENT: CADMIUM

•

FASTENER LENGTH: 2.562 INCHES NOMINAL IN

•

THREAD LENGTH: 0.375 INCHES MINIMUM IN

•

HARDNESS RATING: 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

SPECIFICATION/STANDARD DATA: 81205-BACB30AB MANUFACTURERS STANDARD

TECHNICAL CHARACTERISTICS

SCREW SURFACE TREATMENT	CADMIUM
FASTENER LENGTH	2.562 INCHES NOMINAL IN
THREAD LENGTH	0.375 INCHES MINIMUM IN
HARDNESS RATING	36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	81205-BACB30AB MANUFACTURERS STANDARD
SCREW MATERIAL	STEEL
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH LBS

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 1

BACB30ABP4-35Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

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 BACB30LU-4D-35?

BACB30LU-4D-35 is a SCREW,MACHINE.

What parts can replace BACB30LU-4D-35?

There is 1 known substitute for BACB30LU-4D-35: BACB30ABP4-35. Substitute compatibility should be verified for your specific system.

What is the NSN for BACB30LU-4D-35?

BACB30LU-4D-35 is cataloged in the U.S. Government catalog under NSN 5305-00-680-5889. This indicates validated use in U.S. government and defense supply chains.

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