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A203ARN04 — BOLT,MACHINE

✓ Government record, cited
— · BOLT SCREW
PRODUCT OVERVIEW

A203ARN04: BOLT,MACHINE.

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_direction: RIGHT-HAND, surface_treatment: ZINC OVERALL, part_name_assigned_by_controlling_agency: BOLT,HEXAGON HEAD. This part is cataloged in the U.S.

Government catalog under NSN 5306-01-582-7438, 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
A203ARN04
NSN: 5306-01-582-7438
FSC: 5306 — Bolts
CAGE: 1N5S7 — CRITICAL SOLUTIONS INTERNATIONAL, LLC (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_directionRIGHT-HAND
surface_treatmentZINC OVERALL
thread_series_designatorM
part_name_assigned_by_controlling_agencyBOLT,HEXAGON HEAD
NSN5306-01-582-7438
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: A203ARN04 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
HEAD STYLE: HEXAGON
•
THREAD DIRECTION: RIGHT-HAND
•
SURFACE TREATMENT: ZINC OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD SERIES DESIGNATOR: M
TECHNICAL CHARACTERISTICS
HEAD STYLEHEXAGON
THREAD DIRECTIONRIGHT-HAND
SURFACE TREATMENTZINC OVERALL
PART NAME ASSIGNED BY CONTROLLING AGENCYBOLT,HEXAGON HEAD
MATERIALSTEEL OVERALL
THREAD SERIES DESIGNATORM
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

No substitute or cross-reference records for this part.

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 A203ARN04?
A203ARN04 is a BOLT,MACHINE.
What is the NSN for A203ARN04?
A203ARN04 is cataloged in the U.S. Government catalog under NSN 5306-01-582-7438. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.