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Technical Data Sheet
PartsTable / COMPONENT / Y109101004N
Y109101004N ✓ 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 COMP 1018, design_type: SOLID, style_designator: SEAT, end_item_identification: USED ON THE TARAWA CLASS LHA, material_document_and_classification: ASTM A108, GRADE 1018 ASSN STD SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-481-6023, 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
Y109101004N
NSN: 5325-01-481-6023
FSC: 5325
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1018
design_typeSOLID
style_designatorSEAT
end_item_identificationUSED ON THE TARAWA CLASS LHA
material_document_and_classificationASTM A108, GRADE 1018 ASSN STD SINGLE MATERIAL RESPONSE
NSN5325-01-481-6023
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: Y109101004N · 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 13
72953-01Interchangeable
interchangeable cross-reference
interchangeable
72953Interchangeable
interchangeable cross-reference
interchangeable
73440Interchangeable
interchangeable cross-reference
interchangeable
RR-412Interchangeable
interchangeable cross-reference
interchangeable
Y109101004N ITEM 50Interchangeable
interchangeable cross-reference
interchangeable
Y109101004N ITEM 52Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y109101004N?
Y109101004N is a RING,RETAINING.
What parts can replace Y109101004N?
There are 13 known substitutes for Y109101004N: 72953-01, 72953, 73440 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y109101004N?
Y109101004N is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-01-481-6023. 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