MS9491-16 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS9491-16: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, head_style: HEXAGON, grip_length: 0.315 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN, head_height: 0.188 INCHES NOMINAL IN, thread_class: 3A A, thread_length: 0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5306-00-458-2233, 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

MS9491-16

NSN: 5306-00-458-2233
FSC: 5306 — Bolts
CAGE: 07482 — GENERAL ELECTRIC COMPANY (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
head_style	HEXAGON
grip_length	0.315 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN
head_height	0.188 INCHES NOMINAL IN
thread_class	3A A
thread_length	0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
surface_finish	32.0 MICROINCHES THREADS
fastener_length	1.250 INCHES NOMINAL IN
hardness_rating	248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL
thread_direction	RIGHT-HAND
features_provided	FINISHED HEAD
width_between_flats	0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN
NSN	5306-00-458-2233

COMPONENT DIAGRAM

KEY FEATURES

•

SURFACE FINISH: 32.0 MICROINCHES THREADS

•

HEAD HEIGHT: 0.188 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.250 INCHES NOMINAL IN

•

THREAD LENGTH: 0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN

•

HARDNESS RATING: 248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL

•

MATERIAL DOCUMENT AND CLASSIFICATION: AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL

TECHNICAL CHARACTERISTICS

SURFACE FINISH	32.0 MICROINCHES THREADS
SURFACE FINISH	32.0 MICROINCHES GRIP
SURFACE FINISH	32.0 MICROINCHES BEARING SURFACE OF HEAD
HEAD HEIGHT	0.188 INCHES NOMINAL IN
FASTENER LENGTH	1.250 INCHES NOMINAL IN
THREAD LENGTH	0.875 INCHES MINIMUM AND 0.935 INCHES MAXIMUM IN
HARDNESS RATING	248.0 BRINELL STANDARD MINIMUM AND 341.0 BRINELL STANDARD MAXIMUM OVERALL
MATERIAL DOCUMENT AND CLASSIFICATION	AMS 5731 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NOMINAL THREAD DIAMETER	0.312 INCHES IN
FEATURES PROVIDED	FINISHED HEAD

OTHER ITEMS IN FSC 5306 — Bolts

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

5306-00-004-7044 5306-00-007-6129 5306-00-008-7899 5306-00-009-4739 5306-00-118-7332 5306-00-151-1777 5306-00-255-4507 5306-01-101-2459

SUBSTITUTES & CROSS-REFERENCES 1

5306PL0625763Reference document

Same NSN cross-reference

Reference document — Informative reference only

LIFECYCLE

NSN statusActive· U.S. Government catalog

No demilitarization required

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FREQUENTLY ASKED QUESTIONS

What is MS9491-16?

MS9491-16 is a BOLT,MACHINE.

What parts can replace MS9491-16?

There is 1 known substitute for MS9491-16: 5306PL0625763. Substitute compatibility should be verified for your specific system.

What is the NSN for MS9491-16?

MS9491-16 is cataloged in the U.S. Government catalog under NSN 5306-00-458-2233. This indicates validated use in U.S. government and defense supply chains.

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