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PartsTable / COMPONENT / Y2-1B438
Y2-1B438 ✓ 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 SCREW ASSEMBLY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: SCREW STEEL,VALVE CAM LEVER STEEL,SCREW 5/8-18 NF X 1.875. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-509-0470, 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
Y2-1B438
NSN: 5305-00-509-0470
FSC: 5305
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSCREW STEEL,VALVE CAM LEVER STEEL,SCREW 5/8-18 NF X 1.875
NSN5305-00-509-0470
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: Y2-1B438 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: SCREW STEEL,VALVE CAM LEVER STEEL,SCREW 5/8-18 NF X 1.875
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSCREW STEEL,VALVE CAM LEVER STEEL,SCREW 5/8-18 NF X 1.875
VERIFIED SUBSTITUTES & CROSS-REFERENCES 19
P62-12Interchangeable
interchangeable cross-reference
interchangeable
PB2024-24Interchangeable
interchangeable cross-reference
interchangeable
BU56PBInterchangeable
interchangeable cross-reference
interchangeable
MS17796Interchangeable
interchangeable cross-reference
interchangeable
B438Interchangeable
interchangeable cross-reference
interchangeable
3120PL0960818Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y2-1B438?
Y2-1B438 is a SCREW ASSEMBLY.
What parts can replace Y2-1B438?
There are 19 known substitutes for Y2-1B438: P62-12, PB2024-24, BU56PB and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y2-1B438?
Y2-1B438 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5305-00-509-0470. 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