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PartsTable / COMPONENT / Y422-5003PN19
Y422-5003PN19 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,SELF-LOCKING,HEXAGON is a the manufacturer industrial component. Key specifications include end_item_identification: VALVE, HULL SPCL 16.00IPS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-537-5788, 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
Y422-5003PN19
NSN: 5310-01-537-5788
FSC: 5310
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
end_item_identificationVALVE, HULL SPCL 16.00IPS
NSN5310-01-537-5788
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: Y422-5003PN19 · OEM ⚠ VERIFY BEFORE ORDERING Grade matters for torque spec — don't mix grades. A Grade 5 nut on a Grade 8 bolt weakens the joint. Lock nuts, wing nuts, and castle nuts are NOT interchangeable with standard hex ✓ BROKER TIP Match nut to bolt thread class and material. Stainless bolt + zinc nut = galvanic corrosion. Always verify finish matches (plain, zinc, hot-dip galvanized) PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONVALVE, HULL SPCL 16.00IPS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
ESNA 09NU-149Interchangeable
interchangeable cross-reference
interchangeable
PL-999R0501 FIND 76L1Interchangeable
interchangeable cross-reference
interchangeable
PL-999R0501-D FIND 76Interchangeable
interchangeable cross-reference
interchangeable
09NE149Interchangeable
interchangeable cross-reference
interchangeable
09NE-149 (MONEL)Interchangeable
interchangeable cross-reference
interchangeable
845-7108795 ITEM 28Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y422-5003PN19?
Y422-5003PN19 is a NUT,SELF-LOCKING,HEXAGON.
What parts can replace Y422-5003PN19?
There are 11 known substitutes for Y422-5003PN19: ESNA 09NU-149, PL-999R0501 FIND 76L1, PL-999R0501-D FIND 76 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y422-5003PN19?
Y422-5003PN19 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-537-5788. 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