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Technical Data Sheet
PartsTable / COMPONENT / 520-030
520-030 ✓ 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 SWITCH,TOGGLE is a the manufacturer industrial component. Key specifications include special_features: 3 POLES;3 POSITIONS, end_item_identification: AIR CONDITIONER FTD-100. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-237-3337, 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
520-030
NSN: 5310-01-237-3337
FSC: 5310
CAGE: 58366 — KIRBY MORGAN DIVE SYSTEMS INC (USA)
SPECIFICATIONS
special_features3 POLES;3 POSITIONS
end_item_identificationAIR CONDITIONER FTD-100
NSN5310-01-237-3337
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 520-030 · 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 23
17023Interchangeable
interchangeable cross-reference
interchangeable
42610Interchangeable
interchangeable cross-reference
interchangeable
828-191Interchangeable
interchangeable cross-reference
interchangeable
7117067-1Interchangeable
interchangeable cross-reference
interchangeable
25179924003Interchangeable
interchangeable cross-reference
interchangeable
2H694Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 520-030?
520-030 is a SWITCH,TOGGLE.
What parts can replace 520-030?
There are 23 known substitutes for 520-030: 17023, 42610, 828-191 and 20 more. Substitute compatibility should be verified for your specific system.
Is 520-030 still available?
520-030 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