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Technical Data Sheet
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A21506A — PIN,LOCKING,SCARIFI

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

A21506A: PIN,LOCKING,SCARIFI.

The PIN,LOCKING,SCARIFI is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5315-00-620-7121, 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
A21506A
NSN: 5315-00-620-7121
FSC: 5315 — Nails, Machine Keys, and Pins
CAGE: 72113 — ESCO CORPORATION (USA)
SPECIFICATIONS
Part NumberA21506A
NSN5315-00-620-7121
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A21506A · 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
3K1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is A21506A?
A21506A is a PIN,LOCKING,SCARIFI.
What parts can replace A21506A?
There is 1 known substitute for A21506A: 3K1. Substitute compatibility should be verified for your specific system.
What is the NSN for A21506A?
A21506A is cataloged in the U.S. Government catalog under NSN 5315-00-620-7121. This indicates validated use in U.S. government and defense supply chains.
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