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Technical Data Sheet
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JF2221 — WASHER,SPRING TENSION

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

JF2221: WASHER,SPRING TENSION.

The WASHER,SPRING TENSION is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-646-9509, 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
JF2221
NSN: 5310-01-646-9509
FSC: 5310 — Nuts and Washers
CAGE: 5Q1M6 — J & J SPRING ENTERPRISES, LLC (USA)
SPECIFICATIONS
Part NumberJF2221
NSN5310-01-646-9509
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: JF2221 · 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
93-1742Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is JF2221?
JF2221 is a WASHER,SPRING TENSION.
What parts can replace JF2221?
There is 1 known substitute for JF2221: 93-1742. Substitute compatibility should be verified for your specific system.
What is the NSN for JF2221?
JF2221 is cataloged in the U.S. Government catalog under NSN 5310-01-646-9509. This indicates validated use in U.S. government and defense supply chains.
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