HT4067-4-20A — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4067-4-20A: SCREW,CLOSE TOLERANCE.

The SCREW,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: FLAT COUNTERSUNK UNDERCUT, grip_length: 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN, head_height: 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-240-7397, 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

HT4067-4-20A

NSN: 5305-01-240-7397
FSC: 5305 — Screws
CAGE: 97928 — HUCK INTL INC (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK UNDERCUT
grip_length	1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN
head_height	0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN
head_diameter	0.501 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES BEARING SURFACE OF HEAD
fastener_length	1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN
special_features	FURNISHED WITH RUBBER O-RING
thread_direction	RIGHT-HAND
NSN	5305-01-240-7397

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.071 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
FASTENER LENGTH	1.704 INCHES MINIMUM AND 1.734 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	MIL-C-83488 TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.444 INCHES MINIMUM AND 0.494 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
HEAD STYLE	FLAT COUNTERSUNK UNDERCUT

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 2

3M925C4-20ASame NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

642AS1631-8Reference 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 HT4067-4-20A?

HT4067-4-20A is a SCREW,CLOSE TOLERANCE.

What parts can replace HT4067-4-20A?

There are 2 known substitutes for HT4067-4-20A: 3M925C4-20A, 642AS1631-8. Substitute compatibility should be verified for your specific system.

What is the NSN for HT4067-4-20A?

HT4067-4-20A is cataloged in the U.S. Government catalog under NSN 5305-01-240-7397. This indicates validated use in U.S. government and defense supply chains.

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