ST3M744-7D20 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

ST3M744-7D20: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include material: STEEL COMP XM-13 OVERALL, head_style: SPLINE DRIVE SHEAR HEAD, grip_length: 1.250 INCHES NOMINAL IN, head_height: 0.257 INCHES MINIMUM IN, thread_class: 3A A, grip_diameter: 0.671 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-477-5920, 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

ST3M744-7D20

NSN: 5306-01-477-5920
FSC: 5306 — Bolts
CAGE: 58998 — FASTENER INNOVATION TECHNOLOGY, INC. DBA F I T (USA)

SPECIFICATIONS

material	STEEL COMP XM-13 OVERALL
head_style	SPLINE DRIVE SHEAR HEAD
grip_length	1.250 INCHES NOMINAL IN
head_height	0.257 INCHES MINIMUM IN
thread_class	3A A
grip_diameter	0.671 INCHES MINIMUM AND 0.703 INCHES MAXIMUM IN
thread_length	0.453 INCHES NOMINAL IN
fastener_length	1.693 INCHES MINIMUM AND 1.713 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
head_minor_diameter	0.711 INCHES MINIMUM AND 0.717 INCHES MAXIMUM IN
end_item_identification	F18 E/F
NSN	5306-01-477-5920

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.257 INCHES MINIMUM IN

•

FASTENER LENGTH: 1.693 INCHES MINIMUM AND 1.713 INCHES MAXIMUM IN

•

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

•

THREAD LENGTH: 0.453 INCHES NOMINAL IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN

•

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

•

NOMINAL THREAD DIAMETER: 0.4375 INCHES IN

•

HEAD STYLE: SPLINE DRIVE SHEAR HEAD

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.257 INCHES MINIMUM IN
FASTENER LENGTH	1.693 INCHES MINIMUM AND 1.713 INCHES MAXIMUM IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION	QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
THREAD LENGTH	0.453 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER	0.106 INCHES MINIMUM AND 0.111 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.4375 INCHES IN
HEAD STYLE	SPLINE DRIVE SHEAR HEAD
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	1.250 INCHES NOMINAL IN

OTHER ITEMS IN FSC 5306 — Bolts

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

5306-00-001-1276 5306-00-001-1949 5306-00-001-1988 5306-00-001-1989 5306-00-001-1990 5306-00-001-1991 5306-00-001-1993 5306-00-001-2017

SUBSTITUTES & CROSS-REFERENCES 2

WC744-7D20Same NSN cross-reference

Same NSN cross-reference

Also cataloged under this NSN

122895-7D20Reference document

Same NSN cross-reference

Reference document — Secondary reference

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is ST3M744-7D20?

ST3M744-7D20 is a BOLT,CLOSE TOLERANCE.

What parts can replace ST3M744-7D20?

There are 2 known substitutes for ST3M744-7D20: WC744-7D20, 122895-7D20. Substitute compatibility should be verified for your specific system.

What is the NSN for ST3M744-7D20?

ST3M744-7D20 is cataloged in the U.S. Government catalog under NSN 5306-01-477-5920. This indicates validated use in U.S. government and defense supply chains.

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