HT239PB5-6 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT239PB5-6: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL, grip_length: 0.734 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, head_diameter: 0.442 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN, surface_finish: 63.0 MICROINCHES GRIP. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-047-2426, 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

HT239PB5-6

NSN: 5305-00-047-2426
FSC: 5305 — Screws
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)

SPECIFICATIONS

material	STEEL COMP 4140 OR STEEL COMP E4340 OR STEEL COMP 6150 OR STEEL COMP 8735 OR STEEL COMP 8740 OVERALL
grip_length	0.734 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
head_diameter	0.442 INCHES MINIMUM AND 0.473 INCHES MAXIMUM IN
surface_finish	63.0 MICROINCHES GRIP
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
internal_drive_style	HIGH-TORQUE
nominal_thread_diameter	0.3125 INCHES IN
minimum_tensile_strength	160000 POUNDS PER SQUARE INCH LBS
part_name_assigned_by_controlling_agency	NAVY SPECIAL PROJECT
NSN	5305-00-047-2426

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 63.0 MICROINCHES GRIP

•

NOMINAL THREAD DIAMETER: 0.3125 INCHES IN

•

GRIP LENGTH: 0.734 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN

•

GRIP DIAMETER: 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN

•

MINIMUM TENSILE STRENGTH: 160000 POUNDS PER SQUARE INCH LBS

•

INTERNAL DRIVE STYLE: HIGH-TORQUE

•

COUNTERSINK ANGLE: 99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM

TECHNICAL CHARACTERISTICS

SURFACE FINISH	63.0 MICROINCHES GRIP
SURFACE FINISH	63.0 MICROINCHES THREADS
NOMINAL THREAD DIAMETER	0.3125 INCHES IN
GRIP LENGTH	0.734 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN
GRIP DIAMETER	0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
MINIMUM TENSILE STRENGTH	160000 POUNDS PER SQUARE INCH LBS
INTERNAL DRIVE STYLE	HIGH-TORQUE
COUNTERSINK ANGLE	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
PART NAME ASSIGNED BY CONTROLLING AGENCY	NAVY SPECIAL PROJECT
THREAD CLASS	3A A

SUBSTITUTES & CROSS-REFERENCES 4

HT8043-5-6Reference document

Same NSN cross-reference

Reference document — Secondary reference

BM19025-56Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

106750-5-6Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

A147-5-6Same 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 HT239PB5-6?

HT239PB5-6 is a SCREW,CLOSE TOLERANCE.

What parts can replace HT239PB5-6?

There are 4 known substitutes for HT239PB5-6: HT8043-5-6, BM19025-56, 106750-5-6 and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for HT239PB5-6?

HT239PB5-6 is cataloged in the U.S. Government catalog under NSN 5305-00-047-2426. This indicates validated use in U.S. government and defense supply chains.

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