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F49281-4 — NUT,SELF-LOCKING,PLATE

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

F49281-4: NUT,SELF-LOCKING,PLATE.

The NUT,SELF-LOCKING,PLATE is a the manufacturer industrial component. Key specifications include material: IRON ALLOY 660 NUT, nut_style: PLATE, nut_height: 0.450 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN, nut_length: 1.296 INCHES MAXIMUM IN, lubrication: DRY FILM LUBRICANT, plate_width: 0.658 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-285-9055, 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
F49281-4
NSN: 5310-00-285-9055
FSC: 5310 — Nuts and Washers
CAGE: 15653 — HOWMET GLOBAL FASTENING SYSTEMS INC (USA)
SPECIFICATIONS
materialIRON ALLOY 660 NUT
nut_stylePLATE
nut_height0.450 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN
nut_length1.296 INCHES MAXIMUM IN
lubricationDRY FILM LUBRICANT
plate_width0.658 INCHES MAXIMUM IN
temp_rating-65.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF
thread_class3B
thread_seriesUNIFIED NATIONAL JOINT FINE (UNJF)
overall_height0.765 INCHES MAXIMUM IN
hardness_rating55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM
locking_featurePREVAILING TORQUE ALL METAL DESIGN
NSN5310-00-285-9055
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: F49281-4 · 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: 0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
NUT LENGTH: 1.296 INCHES MAXIMUM IN
•
THREAD SERIES: UNIFIED NATIONAL JOINT FINE (UNJF)
•
PLATE WIDTH: 0.658 INCHES MAXIMUM IN
•
TEMP RATING: -65.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF
•
MOUNTING HOLE ARRANGEMENT STYLE: 2 HOLES
TECHNICAL CHARACTERISTICS
LUBRICATIONDRY FILM LUBRICANT
OVERALL HEIGHT0.765 INCHES MAXIMUM IN
PLATE THICKNESS0.030 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
NUT LENGTH1.296 INCHES MAXIMUM IN
THREAD SERIESUNIFIED NATIONAL JOINT FINE (UNJF)
PLATE WIDTH0.658 INCHES MAXIMUM IN
TEMP RATING-65.0 FAHRENHEIT MINIMUM AND 225.0 FAHRENHEIT MAXIMUM DEGF
MOUNTING HOLE ARRANGEMENT STYLE2 HOLES
HARDNESS RATING55.0 SHORE DUROMETER A MINIMUM AND 65.0 SHORE DUROMETER A MAXIMUM
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-S-5059 MIL SPEC ALL MATERIAL RESPONSES SHELL
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
ST3M493C4MReference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Shelf-life managedAcquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is F49281-4?
F49281-4 is a NUT,SELF-LOCKING,PLATE.
What parts can replace F49281-4?
There is 1 known substitute for F49281-4: ST3M493C4M. Substitute compatibility should be verified for your specific system.
What is the NSN for F49281-4?
F49281-4 is cataloged in the U.S. Government catalog under NSN 5310-00-285-9055. This indicates validated use in U.S. government and defense supply chains.
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