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N0303 15990 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

N0303 15990: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-01-383-8941, 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
N0303 15990
NSN: 5315-01-383-8941
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 25567 — THE GORMAN-RUPP COMPANY DIV GORMAN-RUPP (USA)
SPECIFICATIONS
Part NumberN0303 15990
NSN5315-01-383-8941
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: N0303 15990 · 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
SUBSTITUTES & CROSS-REFERENCES 1
N00303Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N0303 15990?
N0303 15990 is a KEY,MACHINE.
What parts can replace N0303 15990?
There is 1 known substitute for N0303 15990: N00303. Substitute compatibility should be verified for your specific system.
What is the NSN for N0303 15990?
N0303 15990 is cataloged in the U.S. Government catalog under NSN 5315-01-383-8941. This indicates validated use in U.S. government and defense supply chains.
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