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Technical Data Sheet
PartsTable / COMPONENT / 99123117
99123117 ✓ 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 PIN,LOCK is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-413-3730, 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
99123117
NSN: 5315-01-413-3730
FSC: 5315
CAGE: 71871 — ALFA LAVAL INC (USA)
SPECIFICATIONS
Part Number99123117
NSN5315-01-413-3730
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 99123117 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
MS35389-1Interchangeable
interchangeable cross-reference
interchangeable
509561Interchangeable
interchangeable cross-reference
interchangeable
4.10-6Interchangeable
interchangeable cross-reference
interchangeable
C5552Interchangeable
interchangeable cross-reference
interchangeable
19CGAInterchangeable
interchangeable cross-reference
interchangeable
BYA10D1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 99123117?
99123117 is a PIN,LOCK.
What parts can replace 99123117?
There are 15 known substitutes for 99123117: MS35389-1, 509561, 4.10-6 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 99123117?
99123117 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-01-413-3730. 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