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KFW387 ✓ Verified by PartsTable
— · NUT WASHER
WHAT YOU NEED TO KNOW
Match nut grade to bolt grade for full strength Lock nuts prevent loosening under vibration
Don't mix grades — weakens the joint
PRODUCT OVERVIEW

The WASHER,SHOULDERED is a the manufacturer industrial component. Key specifications include material: CELLULOSE OVERALL, hole_diameter: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN, shoulder_height: 0.026 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN, outside_diameter: 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN, style_designator: SHOULDERED, shoulder_diameter: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-543-5964, 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
KFW387
NSN: 5310-00-543-5964
FSC: 5310
CAGE: 92219 — TATTNALL, COUNTY OF DBA TATTNALL COUNTY SHERIFFS OFFICE (USA)
SPECIFICATIONS
materialCELLULOSE OVERALL
hole_diameter0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
shoulder_height0.026 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
outside_diameter0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
style_designatorSHOULDERED
shoulder_diameter0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
material_thickness0.060 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
NSN5310-00-543-5964
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: KFW387 · 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
•
STYLE DESIGNATOR: SHOULDERED
•
SHOULDER HEIGHT: 0.026 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
•
HOLE DIAMETER: 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
•
SHOULDER DIAMETER: 0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
•
MATERIAL: CELLULOSE OVERALL
•
MATERIAL THICKNESS: 0.060 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSHOULDERED
SHOULDER HEIGHT0.026 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN
OUTSIDE DIAMETER0.375 INCHES MINIMUM AND 0.395 INCHES MAXIMUM IN
HOLE DIAMETER0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN
SHOULDER DIAMETER0.298 INCHES MINIMUM AND 0.308 INCHES MAXIMUM IN
MATERIALCELLULOSE OVERALL
MATERIAL THICKNESS0.060 INCHES MINIMUM AND 0.068 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
ASTM B438Interchangeable
interchangeable cross-reference
interchangeable
PL-2D3-981 ITEMInterchangeable
interchangeable cross-reference
interchangeable
PB2432-16Interchangeable
interchangeable cross-reference
interchangeable
183003Interchangeable
interchangeable cross-reference
interchangeable
N1156PC102Interchangeable
interchangeable cross-reference
interchangeable
416Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is KFW387?
KFW387 is a WASHER,SHOULDERED.
What parts can replace KFW387?
There are 16 known substitutes for KFW387: ASTM B438, PL-2D3-981 ITEM, PB2432-16 and 13 more. Substitute compatibility should be verified for your specific system.
Is KFW387 still available?
KFW387 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026