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F12409-4 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

F12409-4: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: NICKEL ALLOY NUT, nut_style: PLATE, nut_height: 0.344 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN, nut_length: 1.218 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-215-0109, 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
F12409-4
NSN: 5310-01-215-0109
FSC: 5310 — Nuts and Washers
CAGE: 019L2 — ESNA, LLC (USA)
SPECIFICATIONS
materialNICKEL ALLOY NUT
nut_stylePLATE
nut_height0.344 INCHES MINIMUM AND 0.371 INCHES MAXIMUM IN
nut_length1.218 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
plate_width0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
locking_featurePREVAILING TORQUE ALL METAL DESIGN
plate_thickness0.026 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
special_featuresWEAPON SYSTEM PERFORMANCE OR OPERATIONS
thread_directionRIGHT-HAND
NSN5310-01-215-0109
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F12409-4 · 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
•
PLATE THICKNESS: 0.026 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
•
NUT LENGTH: 1.218 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
PRECIOUS MATERIAL: SILVER
•
PLATE WIDTH: 0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
•
CRITICALITY CODE JUSTIFICATION: FEAT
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
PLATE THICKNESS0.026 INCHES MINIMUM AND 0.038 INCHES MAXIMUM IN
NUT LENGTH1.218 INCHES MINIMUM AND 1.292 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
PRECIOUS MATERIALSILVER
PLATE WIDTH0.515 INCHES MINIMUM AND 0.545 INCHES MAXIMUM IN
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
CRITICALITY CODE JUSTIFICATIONFEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5525 ASSN STD SINGLE MATERIAL RESPONSE SHELL
MATERIAL DOCUMENT AND CLASSIFICATIONAMS 5709 ASSN STD SINGLE MATERIAL RESPONSE NUT
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 5
10110168Reference document
Same NSN cross-reference
Reference document — Informative reference only
J1100P04AReference document
Same NSN cross-reference
Reference document — Secondary reference
F50859-4Reference document
Same NSN cross-reference
Reference document — Secondary reference
J1100P04Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
J1100P04BReference document
Same NSN cross-reference
Reference document — Secondary reference
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 F12409-4?
F12409-4 is a NUT,SELF-LOCKING,PLATE.
What parts can replace F12409-4?
There are 5 known substitutes for F12409-4: 10110168, J1100P04A, F50859-4 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for F12409-4?
F12409-4 is cataloged in the U.S. Government catalog under NSN 5310-01-215-0109. This indicates validated use in U.S. government and defense supply chains.
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