DF4057-495-43 — SCREW,EXTERNALLY RELIEVED BODY

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

DF4057-495-43: SCREW,EXTERNALLY RELIEVED BODY.

The SCREW,EXTERNALLY RELIEVED BODY is a the manufacturer industrial component. Key specifications include material: STEEL COMP 304 OVERALL, head_style: HEADLESS (SETSCREW), head_height: 0.500 INCHES NOMINAL IN, thread_class: 2A A, head_diameter: 0.750 INCHES NOMINAL IN, thread_length: 0.500 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-409-0298, 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

DF4057-495-43

NSN: 5305-01-409-0298
FSC: 5305 — Screws
CAGE: 43689 — HUNTINGTON INGALLS INC DIV NEWPORT NEWS SHIPBUILDING (USA)

SPECIFICATIONS

material	STEEL COMP 304 OVERALL
head_style	HEADLESS (SETSCREW)
head_height	0.500 INCHES NOMINAL IN
thread_class	2A A
head_diameter	0.750 INCHES NOMINAL IN
thread_length	0.500 INCHES NOMINAL IN
fastener_length	1.800 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
internal_drive_style	SLOT
nominal_thread_diameter	0.250 INCHES IN
first_diameter_from_head	0.188 INCHES NOMINAL IN
NSN	5305-01-409-0298

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.500 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.800 INCHES NOMINAL IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.500 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763, COND B, FINISH B FED SPEC SINGLE MATERIAL RESPONSE OVERALL

•

FIRST DIAMETER FROM HEAD: 0.188 INCHES NOMINAL IN

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: HEADLESS (SETSCREW)

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.500 INCHES NOMINAL IN
FASTENER LENGTH	1.800 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.500 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763, COND B, FINISH B FED SPEC SINGLE MATERIAL RESPONSE OVERALL
FIRST DIAMETER FROM HEAD	0.188 INCHES NOMINAL IN
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	HEADLESS (SETSCREW)
THREAD DIRECTION	RIGHT-HAND
DISTANCE FROM LARGEST BEARING SURFACE OF HEAD TO END OF FIRST DIAMETER	1.300 INCHES NOMINAL 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

438-6404477-43Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required

Ready to buy DF4057-495-43?

Compare prices from verified sellers on eBay

Buy on eBay →

As an eBay Partner, PartsTable may earn a commission. Your price is not affected.

FREQUENTLY ASKED QUESTIONS

What is DF4057-495-43?

DF4057-495-43 is a SCREW,EXTERNALLY RELIEVED BODY.

What parts can replace DF4057-495-43?

There is 1 known substitute for DF4057-495-43: 438-6404477-43. Substitute compatibility should be verified for your specific system.

What is the NSN for DF4057-495-43?

DF4057-495-43 is cataloged in the U.S. Government catalog under NSN 5305-01-409-0298. This indicates validated use in U.S. government and defense supply chains.

Community Feedback

DF4057-495-43 — SCREW,EXTERNALLY RELIEVED BODY

Request a Quote — DF4057-495-43