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122-5589566-25 — 122-5589566-25

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

122-5589566-25: 122-5589566-25.

The 122-5589566-25 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-453-5937, 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
122-5589566-25
NSN: 5315-01-453-5937
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 53711 — NAVAL SEA SYSTEMS COMMAND (USA)
SPECIFICATIONS
Part Number122-5589566-25
NSN5315-01-453-5937
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 122-5589566-25 · 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
KEY FEATURES
•
PIN OVERALL DIAMETER: 0.5000 INCHES NOMINAL IN
•
PIN OVERALL LENGTH: 2.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
PIN OVERALL DIAMETER0.5000 INCHES NOMINAL IN
PIN OVERALL LENGTH2.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 2
1/2 DIA X 2 1/2 LGReference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
122-5589566 PC 25Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 122-5589566-25?
122-5589566-25 is a 122-5589566-25.
What parts can replace 122-5589566-25?
There are 2 known substitutes for 122-5589566-25: 1/2 DIA X 2 1/2 LG, 122-5589566 PC 25. Substitute compatibility should be verified for your specific system.
What is the NSN for 122-5589566-25?
122-5589566-25 is cataloged in the U.S. Government catalog under NSN 5315-01-453-5937. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.