5749540 FIND 26 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

5749540 FIND 26: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 321 OR STEEL COMP 347 OVERALL, head_style: HEXAGON, grip_length: 4.17 INCHES MINIMUM AND 4.20 INCHES MAXIMUM IN, head_height: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN, thread_class: 3A A, grip_diameter: 0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-521-8071, 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

5749540 FIND 26

NSN: 5306-01-521-8071
FSC: 5306 — Bolts
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)

SPECIFICATIONS

material	STEEL COMP 321 OR STEEL COMP 347 OVERALL
head_style	HEXAGON
grip_length	4.17 INCHES MINIMUM AND 4.20 INCHES MAXIMUM IN
head_height	0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
thread_class	3A A
grip_diameter	0.371 INCHES MINIMUM AND 0.374 INCHES MAXIMUM IN
thread_length	0.640 INCHES NOMINAL IN
fastener_length	4.8125 INCHES MINIMUM AND 4.8593 INCHES MAXIMUM IN
thread_direction	RIGHT-HAND
surface_treatment	PASSIVATE OVERALL
width_between_flats	0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN
nominal_thread_diameter	0.3750 INCHES IN
NSN	5306-01-521-8071

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN

•

FASTENER LENGTH: 4.8125 INCHES MINIMUM AND 4.8593 INCHES MAXIMUM IN

•

THREAD LENGTH: 0.640 INCHES NOMINAL IN

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5645 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS 5646 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL

•

NOMINAL THREAD DIAMETER: 0.3750 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

•

SPECIFICATION/STANDARD DATA: 80205-NAS501 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.203 INCHES MINIMUM AND 0.235 INCHES MAXIMUM IN
FASTENER LENGTH	4.8125 INCHES MINIMUM AND 4.8593 INCHES MAXIMUM IN
THREAD LENGTH	0.640 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5645 NATIONAL STD/SPEC 1ST MATERIAL RESPONSE OR AMS 5646 NATIONAL STD/SPEC 2ND MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.3750 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
SPECIFICATION/STANDARD DATA	80205-NAS501 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
GRIP LENGTH	4.17 INCHES MINIMUM AND 4.20 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM 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

248-5749540 FIND 26Reference document

Same NSN cross-reference

Reference document — Secondary reference

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 5749540 FIND 26?

5749540 FIND 26 is a BOLT,MACHINE.

What parts can replace 5749540 FIND 26?

There is 1 known substitute for 5749540 FIND 26: 248-5749540 FIND 26. Substitute compatibility should be verified for your specific system.

What is the NSN for 5749540 FIND 26?

5749540 FIND 26 is cataloged in the U.S. Government catalog under NSN 5306-01-521-8071. This indicates validated use in U.S. government and defense supply chains.

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