VT1040-4-13 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

VT1040-4-13: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: TITANIUM ALLOY UNS R54520 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-548-4910, 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

VT1040-4-13

NSN: 5305-00-548-4910
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	TITANIUM ALLOY UNS R54520 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.452 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_length	0.400 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN
surface_finish	16.0 MICROINCHES THREADS
fastener_length	1.222 INCHES MINIMUM AND 1.268 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_style	OFFSET CRUCIFORM (TORQUE SET)
NSN	5305-00-548-4910

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES GRIP

•

FASTENER LENGTH: 1.222 INCHES MINIMUM AND 1.268 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.400 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE FINISH	16.0 MICROINCHES THREADS
FASTENER LENGTH	1.222 INCHES MINIMUM AND 1.268 INCHES MAXIMUM IN
THREAD LENGTH	0.400 INCHES MINIMUM AND 0.466 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	NAS621,COMP 6AL-4V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.802 INCHES MINIMUM AND 0.822 INCHES MAXIMUM IN
GRIP DIAMETER	0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN

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 1

C792-4-13Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

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 VT1040-4-13?

VT1040-4-13 is a SCREW,CLOSE TOLERANCE.

What parts can replace VT1040-4-13?

There is 1 known substitute for VT1040-4-13: C792-4-13. Substitute compatibility should be verified for your specific system.

What is the NSN for VT1040-4-13?

VT1040-4-13 is cataloged in the U.S. Government catalog under NSN 5305-00-548-4910. This indicates validated use in U.S. government and defense supply chains.

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