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Technical Data Sheet
PartsTable / COMPONENT / 509E219BB PIECE 8
509E219BB PIECE 8 ✓ 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,COTTER is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-839-5821, 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
509E219BB PIECE 8
NSN: 5315-00-839-5821
FSC: 5315
CAGE: 03502 — GENERAL ELECTRIC CO NAVAL AND DRIVE TURBINE SYSTEMS DEPT (USA)
SPECIFICATIONS
Part Number509E219BB PIECE 8
NSN5315-00-839-5821
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 509E219BB PIECE 8 · 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 26
101130Interchangeable
interchangeable cross-reference
interchangeable
FFS92Interchangeable
interchangeable cross-reference
interchangeable
457-5672Interchangeable
interchangeable cross-reference
interchangeable
MS28137-117Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-24066/4DInterchangeable
interchangeable cross-reference
interchangeable
633574Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 509E219BB PIECE 8?
509E219BB PIECE 8 is a PIN,COTTER.
What parts can replace 509E219BB PIECE 8?
There are 26 known substitutes for 509E219BB PIECE 8: 101130, FFS92, 457-5672 and 23 more. Substitute compatibility should be verified for your specific system.
Is 509E219BB PIECE 8 still available?
509E219BB PIECE 8 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