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21C8024P18 — NUT,PLAIN,EXTENDED WASHER,HEXAGO

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

21C8024P18: NUT,PLAIN,EXTENDED WASHER,HEXAGO.

NUT,PLAIN,EXTENDED WASHER,HEXAGO. Key specifications include nut_style: HEXAGON, thread_direction: RIGHT-HAND, counterbore_diameter: 0.187 INCHES NOMINAL NUT IN, part_name_assigned_by_controlling_agency: NUT. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-662-0441, 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
21C8024P18
NSN: 5310-01-662-0441
FSC: 5310 — Nuts and Washers
CAGE: 5QE71 — RHINESTAHL CORPORATION DBA RHINESTAHL (USA)
SPECIFICATIONS
nut_styleHEXAGON
thread_directionRIGHT-HAND
counterbore_diameter0.187 INCHES NOMINAL NUT IN
part_name_assigned_by_controlling_agencyNUT
NSN5310-01-662-0441
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21C8024P18 · 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 DIRECTION: RIGHT-HAND
•
COUNTERBORE DIAMETER: 0.187 INCHES NOMINAL NUT IN
•
NUT STYLE: HEXAGON
TECHNICAL CHARACTERISTICS
THREAD DIRECTIONRIGHT-HAND
COUNTERBORE DIAMETER0.187 INCHES NOMINAL NUT IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNUT
NUT STYLEHEXAGON
SUBSTITUTES & CROSS-REFERENCES 1
21C8024Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21C8024P18?
21C8024P18 is a NUT,PLAIN,EXTENDED WASHER,HEXAGO.
What parts can replace 21C8024P18?
There is 1 known substitute for 21C8024P18: 21C8024. Substitute compatibility should be verified for your specific system.
What is the NSN for 21C8024P18?
21C8024P18 is cataloged in the U.S. Government catalog under NSN 5310-01-662-0441. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.