HT4054-3-1 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4054-3-1: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 8740 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3143 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN, head_diameter: 0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-131-8462, 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

HT4054-3-1

NSN: 5305-01-131-8462
FSC: 5305 — Screws
CAGE: 80539 — SPS TECHNOLOGIES, LLC DBA AEROSPACE FASTENERS GROUP DIV AEROSPACE - SANTA ANA (USA)

SPECIFICATIONS

material	STEEL COMP 8740 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.052 INCHES MINIMUM AND 0.072 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3143 INCHES MINIMUM AND 0.3145 INCHES MAXIMUM IN
head_diameter	0.339 INCHES MINIMUM AND 0.381 INCHES MAXIMUM IN
thread_length	0.376 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	0.448 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
hardness_rating	39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
NSN	5305-01-131-8462

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

FASTENER LENGTH: 0.448 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488 TY2 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.376 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN

•

HARDNESS RATING: 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
FASTENER LENGTH	0.448 INCHES MINIMUM AND 0.478 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83488 TY2 CL3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.376 INCHES MINIMUM AND 0.426 INCHES MAXIMUM IN
HARDNESS RATING	39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	MIL-S-6049 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND

SUBSTITUTES & CROSS-REFERENCES 2

HT4054-3-1ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

ST3M730-3-1Reference 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

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FREQUENTLY ASKED QUESTIONS

What is HT4054-3-1?

HT4054-3-1 is a SCREW,CLOSE TOLERANCE.

What parts can replace HT4054-3-1?

There are 2 known substitutes for HT4054-3-1: HT4054-3-1A, ST3M730-3-1. Substitute compatibility should be verified for your specific system.

What is the NSN for HT4054-3-1?

HT4054-3-1 is cataloged in the U.S. Government catalog under NSN 5305-01-131-8462. This indicates validated use in U.S. government and defense supply chains.

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