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Technical Data Sheet
PartsTable / COMPONENT / 2508X
2508X ✓ 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 RING,RETAINING is a the manufacturer industrial component. Key specifications include material: STEEL, ring_style: HOOKED, usage_design: INTERNAL, inside_diameter: 2.064 INCHES NOMINAL IN, outside_diameter: 2.250 INCHES NOMINAL IN, material_diameter: 0.093 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-281-6670, 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
2508X
NSN: 5325-00-281-6670
FSC: 5325
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL
ring_styleHOOKED
usage_designINTERNAL
inside_diameter2.064 INCHES NOMINAL IN
outside_diameter2.250 INCHES NOMINAL IN
material_diameter0.093 INCHES NOMINAL IN
casehardening_indicatorNOT CASEHARDENED
cross-sectional_shape_styleROUND
NSN5325-00-281-6670
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 2508X · 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
•
MATERIAL: STEEL
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
OUTSIDE DIAMETER: 2.250 INCHES NOMINAL IN
•
CROSS-SECTIONAL SHAPE STYLE: ROUND
•
RING STYLE: HOOKED
•
INSIDE DIAMETER: 2.064 INCHES NOMINAL IN
•
USAGE DESIGN: INTERNAL
•
MATERIAL DIAMETER: 0.093 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL
CASEHARDENING INDICATORNOT CASEHARDENED
OUTSIDE DIAMETER2.250 INCHES NOMINAL IN
CROSS-SECTIONAL SHAPE STYLEROUND
RING STYLEHOOKED
INSIDE DIAMETER2.064 INCHES NOMINAL IN
USAGE DESIGNINTERNAL
MATERIAL DIAMETER0.093 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
28405Interchangeable
interchangeable cross-reference
interchangeable
3435A3PC3Interchangeable
interchangeable cross-reference
interchangeable
3435AUPC3Interchangeable
interchangeable cross-reference
interchangeable
41230-00Interchangeable
interchangeable cross-reference
interchangeable
4190018Interchangeable
interchangeable cross-reference
interchangeable
A-A-2165Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2508X?
2508X is a RING,RETAINING.
What parts can replace 2508X?
There are 15 known substitutes for 2508X: 28405, 3435A3PC3, 3435AUPC3 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2508X?
2508X is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-281-6670. 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: July 2026