HT4027-6-6 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4027-6-6: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY 718 OVERALL, head_style: FILLISTER COUNTERSUNK, grip_length: 0.375 INCHES NOMINAL IN, head_height: 0.018 INCHES MAXIMUM IN, point_style: FLAT, point_length: 0.052 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-591-0368, 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

HT4027-6-6

NSN: 5305-01-591-0368
FSC: 5305 — Screws
CAGE: 56878 — SPS TECHNOLOGIES, LLC DBA PB FASTENERS (USA)

SPECIFICATIONS

material	NICKEL ALLOY 718 OVERALL
head_style	FILLISTER COUNTERSUNK
grip_length	0.375 INCHES NOMINAL IN
head_height	0.018 INCHES MAXIMUM IN
point_style	FLAT
point_length	0.052 INCHES NOMINAL IN
thread_class	3A A
grip_diameter	0.374 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
head_diameter	0.510 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
thread_length	0.641 INCHES NOMINAL IN
fastener_length	1.001 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
NSN	5305-01-591-0368

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.018 INCHES MAXIMUM IN

•

POINT LENGTH: 0.052 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.001 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.641 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

POINT CHAMFER ANGLE: 45.0 DEGREES NOMINAL

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.018 INCHES MAXIMUM IN
POINT LENGTH	0.052 INCHES NOMINAL IN
FASTENER LENGTH	1.001 INCHES MINIMUM AND 1.031 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	AMS 2700 ASSN STD SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.641 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
POINT CHAMFER ANGLE	45.0 DEGREES NOMINAL
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	FILLISTER COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 2

ST3M557-6-6Reference document

Same NSN cross-reference

Reference document — Vendor item drawing reference

WC4027-6-6Same 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 HT4027-6-6?

HT4027-6-6 is a SCREW,CLOSE TOLERANCE.

What parts can replace HT4027-6-6?

There are 2 known substitutes for HT4027-6-6: ST3M557-6-6, WC4027-6-6. Substitute compatibility should be verified for your specific system.

What is the NSN for HT4027-6-6?

HT4027-6-6 is cataloged in the U.S. Government catalog under NSN 5305-01-591-0368. This indicates validated use in U.S. government and defense supply chains.

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