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FEO-440 EF — NUT,SELF-LOCKING,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

FEO-440 EF: NUT,SELF-LOCKING,CLINCH.

The NUT,SELF-LOCKING,CLINCH is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303 OVERALL, nut_style: CLINCH, nut_height: 0.105 INCHES NOMINAL IN, temp_rating: -55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC, nut_diameter: 0.188 INCHES NOMINAL IN, pilot_length: 0.040 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 5310-00-351-4599, 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
FEO-440 EF
NSN: 5310-00-351-4599
NIINs: 003514599, 015023224
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialSTEEL COMP 303 OVERALL
nut_styleCLINCH
nut_height0.105 INCHES NOMINAL IN
temp_rating-55.0 CELSIUS MINIMUM AND 125.0 CELSIUS MAXIMUM DEGC
nut_diameter0.188 INCHES NOMINAL IN
pilot_length0.040 INCHES MAXIMUM IN
thread_class3B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
pilot_diameter0.166 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN
locking_featurePREVAILING TORQUE ALL METAL DESIGN
thread_directionRIGHT-HAND
surface_treatmentPASSIVATE OVERALL
NSN5310-00-351-4599
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: FEO-440 EF · 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
SUBSTITUTES & CROSS-REFERENCES 8
7601656-7Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
429503-01Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
FE0-440Reference document
Same NSN cross-reference
Reference document — Secondary reference
222939Reference document
Same NSN cross-reference
Reference document — Vendor item drawing reference
10121314Reference document
Same NSN cross-reference
Reference document — Informative reference only
70-846521-3Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is FEO-440 EF?
FEO-440 EF is a NUT,SELF-LOCKING,CLINCH.
What parts can replace FEO-440 EF?
There are 8 known substitutes for FEO-440 EF: 7601656-7, 429503-01, FE0-440 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for FEO-440 EF?
FEO-440 EF is cataloged in the U.S. Government catalog under NSN 5310-00-351-4599. This indicates validated use in U.S. government and defense supply chains.
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