HT4075D4-7-21 — SCREW,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

HT4075D4-7-21: 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, grip_length: 0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN, head_diameter: 0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5305-01-267-9291, 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

HT4075D4-7-21

NSN: 5305-01-267-9291
FSC: 5305 — Screws
CAGE: 17446 — HUCK INTERNATIONAL, INC (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	FLAT COUNTERSUNK
grip_length	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.249 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN
head_diameter	0.497 INCHES MINIMUM AND 0.507 INCHES MAXIMUM IN
thread_length	0.453 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
fastener_length	0.890 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
special_features	THD HOLE IN HD 0.138-32 UNJC-3B; DIST FM TOP OF HD TO INJECTION PORT 0.210 IN. INJECTION PORT 0.120 IN. LG BY 0.060 IN. W IN
thread_direction	RIGHT-HAND
countersink_angle	99.0 DEGREES MINIMUM AND 101.0 DEGREES MAXIMUM
features_provided	FINISHED HEAD
NSN	5305-01-267-9291

COMPONENT DIAGRAM

KEY FEATURES

•

FASTENER LENGTH: 0.890 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN

•

SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL

•

THREAD LENGTH: 0.453 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5629 UNS S13800 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.250 INCHES IN

•

FEATURES PROVIDED: FINISHED HEAD

•

HEAD STYLE: FLAT COUNTERSUNK

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

FASTENER LENGTH	0.890 INCHES MINIMUM AND 0.938 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.453 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 UNS S13800 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.250 INCHES IN
FEATURES PROVIDED	FINISHED HEAD
HEAD STYLE	FLAT COUNTERSUNK
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	73197-HT4075 MANUFACTURERS STANDARD
GRIP LENGTH	0.490 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN

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

No substitute or cross-reference records for this part.

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 HT4075D4-7-21?

HT4075D4-7-21 is a SCREW,CLOSE TOLERANCE.

What is the NSN for HT4075D4-7-21?

HT4075D4-7-21 is cataloged in the U.S. Government catalog under NSN 5305-01-267-9291. This indicates validated use in U.S. government and defense supply chains.

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HT4075D4-7-21 — SCREW,CLOSE TOLERANCE

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