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21684 ✓ Verified by PartsTable
Lindy · 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

<b>Compact racing wheel with foot pedals and vibration feedback technology.</b>. Key specifications include width: 1.560 INCHES NOMINAL IN, length: 12.000 INCHES NOMINAL IN, material: PLASTIC POLYVINYL CHLORIDE (PVC), securing_device_type: SPECIAL, peripheral_shape_style: BAND TYPE, end_item_identification: 6920-01-185-9279 AMTC SYSTEM RETSRADIO CONTROL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5315-00-132-6105, 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
21684
NSN: 5315-00-132-6105
FSC: 5315
CAGE: 78640 — MITSUBISHI CATERPILLAR FORKLIFT AMERICA, INC (USA)
SPECIFICATIONS
width1.560 INCHES NOMINAL IN
length12.000 INCHES NOMINAL IN
materialPLASTIC POLYVINYL CHLORIDE (PVC)
securing_device_typeSPECIAL
peripheral_shape_styleBAND TYPE
end_item_identification6920-01-185-9279 AMTC SYSTEM RETSRADIO CONTROL
cross-sectional_shape_styleFLAT
NSN5315-00-132-6105
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 21684 · Lindy ⚠ 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
•
FIRST END LOCATION: SMALL END
•
PIN OVERALL LENGTH: 0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END LOCATIONSMALL END
PIN OVERALL LENGTH0.550 INCHES MINIMUM AND 0.570 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
99121684Interchangeable
interchangeable cross-reference
interchangeable
21684Interchangeable
interchangeable cross-reference
interchangeable
F3307239-3Interchangeable
interchangeable cross-reference
interchangeable
3010008327895Interchangeable
interchangeable cross-reference
interchangeable
T632Interchangeable
interchangeable cross-reference
interchangeable
9365598Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 21684?
21684 is a FLANGE,COMPANION,VEHICULAR UNIVE manufactured by Lindy.
What parts can replace 21684?
There are 12 known substitutes for 21684: 99121684, 21684, F3307239-3 and 9 more. Substitute compatibility should be verified for your specific system.
Is 21684 still available?
21684 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