HT3N-4P — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT3N-4P: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: FLAT COUNTERSUNK, grip_length: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN, head_diameter: 0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-151-7979, 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

HT3N-4P

NSN: 5305-00-151-7979
FSC: 5305 — Screws
CAGE: L4528 — LISI AEROSPACE CANADA CORP DIV HI SHEAR HOLDINGS INC (CAN)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
head_diameter	0.3765 INCHES MINIMUM AND 0.3813 INCHES MAXIMUM IN
thread_length	0.406 INCHES NOMINAL IN
fastener_length	0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
surface_treatment	CADMIUM AND CHROMATE OVERALL
internal_drive_style	HIGH-TORQUE
NSN	5305-00-151-7979

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416 TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.406 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.190 INCHES IN

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.640 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-416 TY 2, CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.406 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.190 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN
GRIP DIAMETER	0.1885 INCHES MINIMUM AND 0.1895 INCHES MAXIMUM IN
SURFACE TREATMENT	CADMIUM AND CHROMATE OVERALL

OTHER ITEMS IN FSC 5305 — Screws

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

5305-00-000-0094 5305-00-000-1397 5305-00-000-2625 5305-00-000-3669 5305-00-000-3830 5305-00-000-3831

SUBSTITUTES & CROSS-REFERENCES 4

3M123-3-4PSame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

HT3N4HSReference document

Same NSN cross-reference

Reference document — Secondary reference

HT1029A3-4PReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

HT123-3-4PReference document

Same NSN cross-reference

Reference document — Advisory reference — outside the item-of-supply concept

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 HT3N-4P?

HT3N-4P is a SCREW,CLOSE TOLERANCE.

What parts can replace HT3N-4P?

There are 4 known substitutes for HT3N-4P: 3M123-3-4P, HT3N4HS, HT1029A3-4P and 1 more. Substitute compatibility should be verified for your specific system.

What is the NSN for HT3N-4P?

HT3N-4P is cataloged in the U.S. Government catalog under NSN 5305-00-151-7979. This indicates validated use in U.S. government and defense supply chains.

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