HT4057-4-16 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4057-4-16: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN, head_diameter: 0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-158-6770, 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

HT4057-4-16

NSN: 5305-01-158-6770
FSC: 5305 — Screws
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.456 INCHES MINIMUM AND 0.508 INCHES MAXIMUM IN
thread_length	0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
fastener_length	1.454 INCHES MINIMUM AND 1.484 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	ALUMINUM AND CHROMATE OVERALL
internal_drive_style	HIGH-TORQUE
NSN	5305-01-158-6770

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 1.454 INCHES MINIMUM AND 1.484 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488 TYPE2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 23-112 TYPE C FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	1.454 INCHES MINIMUM AND 1.484 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83488 TYPE2 CLASS 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	23-112 TYPE C FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM IN
GRIP DIAMETER	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
SURFACE TREATMENT	ALUMINUM AND CHROMATE OVERALL

SUBSTITUTES & CROSS-REFERENCES 3

ST3M733-4L16Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M733-4-16Reference document

Same NSN cross-reference

Reference document — Secondary reference

HT4057-4-16AReference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HT4057-4-16?

HT4057-4-16 is a SCREW,CLOSE TOLERANCE.

What parts can replace HT4057-4-16?

There are 3 known substitutes for HT4057-4-16: ST3M733-4L16, ST3M733-4-16, HT4057-4-16A. Substitute compatibility should be verified for your specific system.

What is the NSN for HT4057-4-16?

HT4057-4-16 is cataloged in the U.S. Government catalog under NSN 5305-01-158-6770. This indicates validated use in U.S. government and defense supply chains.

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