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Technical Data Sheet
206120 ✓ 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 RETAINER,BEARING is a the manufacturer industrial component. Key specifications include material: LEATHER OR RUBBER SYNTHETIC SEALING ELEMENT, case_style: SQUARE, seal_width: 0.359 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN, housing_bore_diameter: 1.499 INCHES NOMINAL IN, sealing_element_style: ANGULAR, accommodated_shaft_diameter: 1.000 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-5624, 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
206120
NSN: 5310-00-209-5624
FSC: 5310
CAGE: 96487 — VALCOR ENGINEERING CORPORATION (USA)
SPECIFICATIONS
materialLEATHER OR RUBBER SYNTHETIC SEALING ELEMENT
case_styleSQUARE
seal_width0.359 INCHES MINIMUM AND 0.422 INCHES MAXIMUM IN
housing_bore_diameter1.499 INCHES NOMINAL IN
sealing_element_styleANGULAR
accommodated_shaft_diameter1.000 INCHES NOMINAL IN
accommodated_shaft_maximum_rated_speed2000 FEET PER MINUTE FT
NSN5310-00-209-5624
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 206120 · 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
PERIPHERAL SHAPE STYLE: ROUND
CENTER HOLE SHAPE STYLE: ROUND
SURFACE TREATMENT: ANODIZE OVERALL
MATERIAL: ALUMINUM ALLOY 2024 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THICKNESS: 0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-355 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PERIPHERAL SHAPE STYLEROUND
CENTER HOLE SHAPE STYLEROUND
SURFACE TREATMENTANODIZE OVERALL
MATERIALALUMINUM ALLOY 2024 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
THICKNESS0.015 INCHES MINIMUM AND 0.047 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-355 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
OVERALL DIAMETER0.375 INCHES NOMINAL IN
HOLE DIAMETER0.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
206120Interchangeable
interchangeable cross-reference
interchangeable
05086ABInterchangeable
interchangeable cross-reference
interchangeable
3921P11Interchangeable
interchangeable cross-reference
interchangeable
504B5-73-48Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 206120?
206120 is a RETAINER,BEARING.
What parts can replace 206120?
There are 4 known substitutes for 206120: 206120, 05086AB, 3921P11 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 206120?
206120 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-209-5624. This indicates validated use in U.S. government and defense supply chains.
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