749940-1 — SCREW,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

749940-1: SCREW,MACHINE.

The SCREW,MACHINE is a the manufacturer industrial component. Key specifications include head_style: FLAT CHAMFER, head_height: 0.038 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN, thread_class: 3A A, head_diameter: 0.090 INCHES NOMINAL IN, thread_length: 0.438 INCHES MINIMUM IN, screw_material: STEEL COMP 416. This part is cataloged in the U.S.

Government catalog under NSN 5305-00-376-3306, 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

749940-1

NSN: 5305-00-376-3306
FSC: 5305 — Screws
CAGE: 19315 — HONEYWELL INTL INC DEFENSE AVIONICS SYSTEMS FORMER BENDIX NAVIGATION AND CONTROL SYSTEMS (USA)

SPECIFICATIONS

head_style	FLAT CHAMFER
head_height	0.038 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
thread_class	3A A
head_diameter	0.090 INCHES NOMINAL IN
thread_length	0.438 INCHES MINIMUM IN
screw_material	STEEL COMP 416
fastener_length	0.500 INCHES NOMINAL IN
hardness_rating	38.0 ROCKWELL C NOMINAL
thread_direction	RIGHT-HAND
internal_drive_style	CROSS RECESS TYPE 1
nominal_thread_diameter	0.060 INCHES IN
thread_quantity_per_inch	80
NSN	5305-00-376-3306

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.038 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN

•

FASTENER LENGTH: 0.500 INCHES NOMINAL IN

•

SCREW MATERIAL DOCUMENT AND CLASSIFICATION: QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE

•

THREAD LENGTH: 0.438 INCHES MINIMUM IN

•

HARDNESS RATING: 38.0 ROCKWELL C NOMINAL

•

NOMINAL THREAD DIAMETER: 0.060 INCHES IN

•

HEAD STYLE: FLAT CHAMFER

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.038 INCHES MINIMUM AND 0.041 INCHES MAXIMUM IN
FASTENER LENGTH	0.500 INCHES NOMINAL IN
SCREW MATERIAL DOCUMENT AND CLASSIFICATION	QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE
THREAD LENGTH	0.438 INCHES MINIMUM IN
HARDNESS RATING	38.0 ROCKWELL C NOMINAL
NOMINAL THREAD DIAMETER	0.060 INCHES IN
HEAD STYLE	FLAT CHAMFER
THREAD DIRECTION	RIGHT-HAND
SCREW MATERIAL	STEEL COMP 416
INTERNAL DRIVE STYLE	CROSS RECESS TYPE 1

OTHER ITEMS IN FSC 5305 — Screws

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

5305-00-001-5016 5305-00-001-9160 5305-00-001-9629 5305-00-001-9742 5305-00-001-9768 5305-00-003-4306 5305-00-003-6694 5305-00-003-6753

SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Terminal item — no further procurement; issued until stock is exhaustedNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 749940-1?

749940-1 is a SCREW,MACHINE.

What is the NSN for 749940-1?

749940-1 is cataloged in the U.S. Government catalog under NSN 5305-00-376-3306. This indicates validated use in U.S. government and defense supply chains.

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749940-1 — SCREW,MACHINE

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