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Technical Data Sheet

1660 N PC NO 12 — Technical Data Sheet

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— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The NUT,PLAIN,HEXAGON is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5310-01-386-2102, 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
1660 N PC NO 12
NSN: 5310-01-386-2102
FSC: 5310
CAGE: 35795 — LESLIE CONTROLS, INC. DBA LESLIE CONTROLS INC (USA)
SPECIFICATIONS
Part Number1660 N PC NO 12
NSN5310-01-386-2102
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 1660 N PC NO 12 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
26562InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
327-13InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
M112InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
717-011969InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
26582InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
5F9241InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1660 N PC NO 12?
1660 N PC NO 12 is a NUT,PLAIN,HEXAGON.
What parts can replace 1660 N PC NO 12?
There are 18 known substitutes for 1660 N PC NO 12: 26562, 327-13, M112 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1660 N PC NO 12?
1660 N PC NO 12 is cataloged in the Federal Logistics Information System under NSN 5310-01-386-2102. This indicates validated use in U.S. government and defense supply chains.
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