74B450985-2001 — BOLT,CLOSE TOLERANCE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

74B450985-2001: BOLT,CLOSE TOLERANCE.

The BOLT,CLOSE TOLERANCE is a the manufacturer industrial component. Key specifications include head_style: UNDERCUT HEXAGON, grip_length: 0.938 INCHES NOMINAL IN, head_height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN, thread_length: 0.438 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-107-6590, 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

74B450985-2001

NSN: 5306-01-107-6590
FSC: 5306 — Bolts
CAGE: 76301 — THE BOEING COMPANY DIV DEFENSE (USA)

SPECIFICATIONS

head_style	UNDERCUT HEXAGON
grip_length	0.938 INCHES NOMINAL IN
head_height	0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN
thread_length	0.438 INCHES NOMINAL IN
fastener_length	1.376 INCHES NOMINAL IN
special_features	15 DEG ANGLE GROUND HEAD ON ONE SIDE
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_between_flats	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
nominal_thread_diameter	0.312 INCHES IN
NSN	5306-01-107-6590

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN

•

FASTENER LENGTH: 1.376 INCHES NOMINAL IN

•

THREAD LENGTH: 0.438 INCHES NOMINAL IN

•

SHANK UNTHREADED HOLE DIAMETER: 0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS5731 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS5737 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.312 INCHES IN

•

HEAD STYLE: UNDERCUT HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
FASTENER LENGTH	1.376 INCHES NOMINAL IN
THREAD LENGTH	0.438 INCHES NOMINAL IN
SHANK UNTHREADED HOLE DIAMETER	0.076 INCHES MINIMUM AND 0.086 INCHES MAXIMUM FIRST HOLE IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS5731 NATIONAL SPEC SINGLE MATERIAL RESPONSE OR AMS5737 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES IN
HEAD STYLE	UNDERCUT HEXAGON
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	80205-NAS6305 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
GRIP LENGTH	0.938 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 1

10115725Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is 74B450985-2001?

74B450985-2001 is a BOLT,CLOSE TOLERANCE.

What parts can replace 74B450985-2001?

There is 1 known substitute for 74B450985-2001: 10115725. Substitute compatibility should be verified for your specific system.

What is the NSN for 74B450985-2001?

74B450985-2001 is cataloged in the U.S. Government catalog under NSN 5306-01-107-6590. This indicates validated use in U.S. government and defense supply chains.

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