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Technical Data Sheet
PartsTable / COMPONENT / 56X146
56X146 ✓ 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. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-623-0866, 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
56X146
NSN: 5325-00-623-0866
FSC: 5325
CAGE: 08752 — PARKER-HANNIFIN CORP FLUIDPOWER GROUP MOBILE HYDRAULICS DIV (USA)
SPECIFICATIONS
Part Number56X146
NSN5325-00-623-0866
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 56X146 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
899-23Interchangeable
interchangeable cross-reference
interchangeable
73403Interchangeable
interchangeable cross-reference
interchangeable
903025Interchangeable
interchangeable cross-reference
interchangeable
5275-12Interchangeable
interchangeable cross-reference
interchangeable
AES14R086625DR2A31Interchangeable
interchangeable cross-reference
interchangeable
A131490Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 56X146?
56X146 is a RING,RETAINING.
What parts can replace 56X146?
There are 9 known substitutes for 56X146: 899-23, 73403, 903025 and 6 more. Substitute compatibility should be verified for your specific system.
Is 56X146 still available?
56X146 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026