HT4027-3-7 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4027-3-7: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING OVERALL, head_style: OVAL COUNTERSUNK, thread_class: 3A A, head_diameter: 0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN, thread_length: 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN, fastener_length: 0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-487-6877, 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

HT4027-3-7

NSN: 5305-01-487-6877
FSC: 5305 — Screws
CAGE: 06950 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)

SPECIFICATIONS

material	STEEL CORROSION RESISTING OVERALL
head_style	OVAL COUNTERSUNK
thread_class	3A A
head_diameter	0.2966 INCHES MINIMUM AND 0.3016 INCHES MAXIMUM IN
thread_length	0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
fastener_length	0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
nominal_thread_diameter	0.190 INCHES IN
thread_quantity_per_inch	28
thread_series_designator	UNIFIED NATIONAL JOINT FINE (UNJF)
material_document_and_classification	23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NSN	5305-01-487-6877

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: 23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: OVAL COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM

•

THREAD CLASS: 3A A

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.765 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN
THREAD LENGTH	0.380 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	23-118 FSCM 76301 MFR REF SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	OVAL COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
THREAD CLASS	3A A
THREAD QUANTITY PER INCH	28
MATERIAL	STEEL CORROSION RESISTING OVERALL

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

ST3M557-3-7Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is HT4027-3-7?

HT4027-3-7 is a SCREW,CLOSE TOLERANCE.

What parts can replace HT4027-3-7?

There is 1 known substitute for HT4027-3-7: ST3M557-3-7. Substitute compatibility should be verified for your specific system.

What is the NSN for HT4027-3-7?

HT4027-3-7 is cataloged in the U.S. Government catalog under NSN 5305-01-487-6877. This indicates validated use in U.S. government and defense supply chains.

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