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909721 — KEY,MACHINE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

909721: KEY,MACHINE.

The KEY,MACHINE is a the manufacturer industrial component. Key specifications include material: RUBBER, end_item_identification: THREAT EMMITTER. This part is cataloged in the U.S.

Government catalog under NSN 5315-01-211-4898, 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
909721
NSN: 5315-01-211-4898
NIINs: 012114898, 016516820
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 21444 — REXNORD INDUSTRIES LLC (USA)
SPECIFICATIONS
materialRUBBER
end_item_identificationTHREAT EMMITTER
NSN5315-01-211-4898
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 909721 · 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
504214 PIECE 2049Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 909721?
909721 is a KEY,MACHINE.
What parts can replace 909721?
There is 1 known substitute for 909721: 504214 PIECE 2049. Substitute compatibility should be verified for your specific system.
What is the NSN for 909721?
909721 is cataloged in the U.S. Government catalog under NSN 5315-01-211-4898. This indicates validated use in U.S. government and defense supply chains.
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