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G18421L4-4-13 — NUT ASSEMBLY,SELF-LOCKING,GANG C

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

G18421L4-4-13: NUT ASSEMBLY,SELF-LOCKING,GANG C.

NUT ASSEMBLY,SELF-LOCKING,GANG C. Key specifications include material: STEEL COMP 302 CLIP, nut_style: GANG CHANNEL, SELF LOCKING, lubrication: DRY FILM LUBRICANT, nut_quantity: 13, thread_class: 3B, channel_style: STRAIGHT TYPE. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-262-4731, 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
G18421L4-4-13
NSN: 5310-01-262-4731
FSC: 5310 — Nuts and Washers
CAGE: 72962 — HARVARD INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 CLIP
nut_styleGANG CHANNEL, SELF LOCKING
lubricationDRY FILM LUBRICANT
nut_quantity13
thread_class3B
channel_styleSTRAIGHT TYPE
overall_width0.539 INCHES NOMINAL IN
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
special_featuresDRY FILM LUBRICANT
thread_directionRIGHT-HAND
nominal_thread_size0.250 INCHES IN
NSN5310-01-262-4731
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: G18421L4-4-13 · 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: 13
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.250 INCHES IN
•
LOCKING FEATURE: PREVAILING TORQUE ALL METAL DESIGN
•
ASSEMBLY OVERALL HEIGHT: 0.466 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
NUT QUANTITY13
OVERALL WIDTH0.539 INCHES NOMINAL IN
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.250 INCHES IN
LOCKING FEATUREPREVAILING TORQUE ALL METAL DESIGN
ASSEMBLY OVERALL HEIGHT0.466 INCHES NOMINAL IN
SPECIAL FEATURESDRY FILM LUBRICANT
NUT STYLEGANG CHANNEL, SELF LOCKING
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
10110237Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G18421L4-4-13?
G18421L4-4-13 is a NUT ASSEMBLY,SELF-LOCKING,GANG C.
What parts can replace G18421L4-4-13?
There is 1 known substitute for G18421L4-4-13: 10110237. Substitute compatibility should be verified for your specific system.
What is the NSN for G18421L4-4-13?
G18421L4-4-13 is cataloged in the U.S. Government catalog under NSN 5310-01-262-4731. This indicates validated use in U.S. government and defense supply chains.
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