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Technical Data Sheet
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2AN590 — Technical Data Sheet

✓ Verified by PartsTable
— · BOLT SCREW
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

The BOLT,MACHINE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, head_style: HEXAGON, thread_class: 2A A, fastener_length: 1.000 INCHES NOMINAL IN, thread_direction: RIGHT-HAND, nominal_thread_diameter: 0.312 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 5306-01-161-2566, 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
2AN590
NSN: 5306-01-161-2566
FSC: 5306
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL OVERALL
head_styleHEXAGON
thread_class2A A
fastener_length1.000 INCHES NOMINAL IN
thread_directionRIGHT-HAND
nominal_thread_diameter0.312 INCHES IN
thread_series_designatorUNIFIED NATIONAL COARSE (UNC)
NSN5306-01-161-2566
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2AN590 · 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
•
FASTENER LENGTH: 1.000 INCHES NOMINAL IN
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD DIAMETER: 0.312 INCHES IN
•
THREAD CLASS: 2A A
•
THREAD SERIES DESIGNATOR: UNIFIED NATIONAL COARSE (UNC)
•
HEAD STYLE: HEXAGON
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
FASTENER LENGTH1.000 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD DIAMETER0.312 INCHES IN
THREAD CLASS2A A
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC)
HEAD STYLEHEXAGON
MATERIALSTEEL OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
1166Upgraded SuccessorGOVERNMENT REGISTRY
successor cross-reference
successor
0R304InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SC403InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS954InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
J1224-T500InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B107.100InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2AN590?
2AN590 is a BOLT,MACHINE.
What parts can replace 2AN590?
There are 17 known substitutes for 2AN590: 1166, 0R304, SC403 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2AN590?
2AN590 is cataloged in the Federal Logistics Information System under NSN 5306-01-161-2566. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026