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G18421L6-3-18 — NUT ASSEMBLY,SELF-LOCKING,GANG C

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

G18421L6-3-18: NUT ASSEMBLY,SELF-LOCKING,GANG C.

NUT ASSEMBLY,SELF-LOCKING,GANG C. Key specifications include material: IRON ALLOY 660 OVERALL, nut_style: GANG CHANNEL, SELF LOCKING, lubrication: DRY FILM LUBRICANT, nut_spacing: 2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN, temp_rating: 450.0 FAHRENHEIT NOMINAL DEGF, nut_quantity: 32. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-370-8283, 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
G18421L6-3-18
NSN: 5310-01-370-8283
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 OVERALL
nut_styleGANG CHANNEL, SELF LOCKING
lubricationDRY FILM LUBRICANT
nut_spacing2.240 INCHES MINIMUM AND 2.260 INCHES MAXIMUM IN
temp_rating450.0 FAHRENHEIT NOMINAL DEGF
nut_quantity32
thread_class3B
channel_styleSTRAIGHT TYPE
overall_width0.474 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
channel_height0.250 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
NSN5310-01-370-8283
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G18421L6-3-18 · 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
•
LUBRICATION: DRY FILM LUBRICANT
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
NUT QUANTITY: 32
•
TEMP RATING: 450.0 FAHRENHEIT NOMINAL DEGF
•
NUT COUNTERBORE DEPTH: 0.375 INCHES MINIMUM FIRST END IN
•
FEATURES PROVIDED: FLOATING NUT
•
CHANNEL HEIGHT: 0.250 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NUT QUANTITY32
TEMP RATING450.0 FAHRENHEIT NOMINAL DEGF
OVERALL WIDTH0.474 INCHES NOMINAL IN
NUT COUNTERBORE DEPTH0.375 INCHES MINIMUM FIRST END IN
FEATURES PROVIDEDFLOATING NUT
CHANNEL HEIGHT0.250 INCHES MAXIMUM IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.190 INCHES IN
OTHER ITEMS IN FSC 5310 — Nuts and Washers
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5310-00-000-0040 5310-00-000-0077 5310-00-000-0079 5310-00-000-1146 5310-00-000-3815 5310-00-000-4532 5310-00-000-4540
SUBSTITUTES & CROSS-REFERENCES 1
3M463C18A32Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
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 G18421L6-3-18?
G18421L6-3-18 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace G18421L6-3-18?
There is 1 known substitute for G18421L6-3-18: 3M463C18A32. Substitute compatibility should be verified for your specific system.
What is the NSN for G18421L6-3-18?
G18421L6-3-18 is cataloged in the U.S. Government catalog under NSN 5310-01-370-8283. This indicates validated use in U.S. government and defense supply chains.
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