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KFB3-440-12ET — NUT,PLAIN,CLINCH

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

KFB3-440-12ET: NUT,PLAIN,CLINCH.

The NUT,PLAIN,CLINCH is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, nut_height: 0.176 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN, nut_diameter: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN, thread_class: 2B, thread_series: UNIFIED NATIONAL COARSE (UNC), thread_direction: RIGHT-HAND. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-398-7067, 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
KFB3-440-12ET
NSN: 5310-01-398-7067
FSC: 5310 — Nuts and Washers
CAGE: 46384 — PENN ENGINEERING & MANUFACTURING CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
nut_height0.176 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
nut_diameter0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
thread_class2B
thread_seriesUNIFIED NATIONAL COARSE (UNC)
thread_directionRIGHT-HAND
nominal_thread_size0.112 INCHES IN
thread_quantity_per_inch40
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-01-398-7067
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: KFB3-440-12ET · 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
•
THREAD SERIES: UNIFIED NATIONAL COARSE (UNC)
•
THREAD DIRECTION: RIGHT-HAND
•
NOMINAL THREAD SIZE: 0.112 INCHES IN
•
NUT DIAMETER: 0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
•
NUT HEIGHT: 0.176 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
•
THREAD CLASS: 2B
•
THREAD QUANTITY PER INCH: 40
TECHNICAL CHARACTERISTICS
THREAD SERIESUNIFIED NATIONAL COARSE (UNC)
THREAD DIRECTIONRIGHT-HAND
NOMINAL THREAD SIZE0.112 INCHES IN
NUT DIAMETER0.215 INCHES MINIMUM AND 0.225 INCHES MAXIMUM IN
NUT HEIGHT0.176 INCHES MINIMUM AND 0.182 INCHES MAXIMUM IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
THREAD CLASS2B
THREAD QUANTITY PER INCH40
MATERIALCOPPER ALLOY OVERALL
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
KFB3-440-12Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 KFB3-440-12ET?
KFB3-440-12ET is a NUT,PLAIN,CLINCH.
What parts can replace KFB3-440-12ET?
There is 1 known substitute for KFB3-440-12ET: KFB3-440-12. Substitute compatibility should be verified for your specific system.
What is the NSN for KFB3-440-12ET?
KFB3-440-12ET is cataloged in the U.S. Government catalog under NSN 5310-01-398-7067. This indicates validated use in U.S. government and defense supply chains.
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