MS9503-20 — BOLT,MACHINE

✓ Government record, cited

— · BOLT SCREW

PRODUCT OVERVIEW

MS9503-20: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 OVERALL, hole_type: DRILLED, head_style: HEXAGON, grip_length: 0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN, head_height: 0.219 INCHES NOMINAL IN, thread_class: 3A A. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-362-5481, 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

MS9503-20

NSN: 5306-01-362-5481
FSC: 5306 — Bolts
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)

SPECIFICATIONS

material	IRON ALLOY 660 OVERALL
hole_type	DRILLED
head_style	HEXAGON
grip_length	0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
head_height	0.219 INCHES NOMINAL IN
thread_class	3A A
hole_quantity	1
thread_length	1.000 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
fastener_length	1.625 INCHES NOMINAL IN
thread_direction	RIGHT-HAND
width_between_flats	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
nominal_thread_diameter	0.375 INCHES IN
NSN	5306-01-362-5481

COMPONENT DIAGRAM

KEY FEATURES

•

HEAD HEIGHT: 0.219 INCHES NOMINAL IN

•

FASTENER LENGTH: 1.625 INCHES NOMINAL IN

•

THREAD LENGTH: 1.000 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN

•

HOLE CONFIGURATION STYLE: HEXAGON FLATS

•

NOMINAL THREAD DIAMETER: 0.375 INCHES IN

•

HEAD STYLE: HEXAGON

•

THREAD DIRECTION: RIGHT-HAND

•

GRIP LENGTH: 0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN

TECHNICAL CHARACTERISTICS

HEAD HEIGHT	0.219 INCHES NOMINAL IN
FASTENER LENGTH	1.625 INCHES NOMINAL IN
THREAD LENGTH	1.000 INCHES MINIMUM AND 1.060 INCHES MAXIMUM IN
HOLE CONFIGURATION STYLE	HEXAGON FLATS
NOMINAL THREAD DIAMETER	0.375 INCHES IN
HEAD STYLE	HEXAGON
THREAD DIRECTION	RIGHT-HAND
GRIP LENGTH	0.565 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN
WIDTH BETWEEN FLATS	0.553 INCHES MINIMUM AND 0.564 INCHES MAXIMUM IN
THREAD CLASS	3A A

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

SAE-AS9503Reference document

Same NSN cross-reference

Reference document — Design control — primary 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 MS9503-20?

MS9503-20 is a BOLT,MACHINE.

What parts can replace MS9503-20?

There is 1 known substitute for MS9503-20: SAE-AS9503. Substitute compatibility should be verified for your specific system.

What is the NSN for MS9503-20?

MS9503-20 is cataloged in the U.S. Government catalog under NSN 5306-01-362-5481. This indicates validated use in U.S. government and defense supply chains.

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