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Technical Data Sheet
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09NC4-420 — 09NC4-420

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

09NC4-420: 09NC4-420.

The 09NC4-420 is a the manufacturer industrial component. This part is cataloged in the U.S. Government catalog under NSN 5310-01-454-9370, 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
09NC4-420
NSN: 5310-01-454-9370
FSC: 5310 — Nuts and Washers
CAGE: 27687 — GREER STOP NUT, INC. (USA)
SPECIFICATIONS
Part Number09NC4-420
NSN5310-01-454-9370
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 09NC4-420 · 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
KEY FEATURES
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
THREAD CLASS: 3B
•
MATERIAL: NICKEL ALLOY K-500 OVERALL
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
THREAD CLASS3B
MATERIALNICKEL ALLOY K-500 OVERALL
SUBSTITUTES & CROSS-REFERENCES 1
243-6758311-MSAS-A109Reference 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 09NC4-420?
09NC4-420 is a 09NC4-420.
What parts can replace 09NC4-420?
There is 1 known substitute for 09NC4-420: 243-6758311-MSAS-A109. Substitute compatibility should be verified for your specific system.
What is the NSN for 09NC4-420?
09NC4-420 is cataloged in the U.S. Government catalog under NSN 5310-01-454-9370. This indicates validated use in U.S. government and defense supply chains.
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