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Technical Data Sheet
PartsTable / COMPONENT / 5620-23-16
5620-23-16 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include material: PLASTIC PHENOLIC OVERALL, thickness: 0.011 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN, hole_diameter: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN, overall_diameter: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-827-7111, 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
5620-23-16
NSN: 5310-00-827-7111
FSC: 5310
CAGE: 86928 — SEASTROM MANUFACTURING CO INC (USA)
SPECIFICATIONS
materialPLASTIC PHENOLIC OVERALL
thickness0.011 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
hole_diameter0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
overall_diameter0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
cross-sectional_shape_styleRECTANGULAR
material_document_and_classificationMIL-P-79 TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN5310-00-827-7111
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 5620-23-16 · 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
•
CENTER HOLE SHAPE STYLE: ROUND
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-P-79 TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL: PLASTIC PHENOLIC OVERALL
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
•
THICKNESS: 0.011 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
•
OVERALL DIAMETER: 0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE SHAPE STYLEROUND
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-79 TYPE FBE MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
MATERIALPLASTIC PHENOLIC OVERALL
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.094 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN
THICKNESS0.011 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
OVERALL DIAMETER0.209 INCHES MINIMUM AND 0.229 INCHES MAXIMUM IN
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
105979Interchangeable
interchangeable cross-reference
interchangeable
10593Interchangeable
interchangeable cross-reference
interchangeable
105693Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5620-23-16?
5620-23-16 is a WASHER,FLAT.
What parts can replace 5620-23-16?
There are 3 known substitutes for 5620-23-16: 105979, 10593, 105693. Substitute compatibility should be verified for your specific system.
What is the NSN for 5620-23-16?
5620-23-16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-827-7111. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026