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220233 — Technical Data Sheet

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— · 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 special_features: DRAIN COUPLING; INSERT HOSE BARB 1/2IN. INNER DIAMETER; FOR USE ON THE PLASMA THAWING SYSTEM, NSN: 6640-01-510-3136 IN, part_name_assigned_by_controlling_agency: COUPLING DRAIN F/THAWING SYS MODEL DH4 ID 1/2IN IN.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System under NSN 5310-01-211-0696, 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
220233
NSN: 5310-01-211-0696
FSC: 5310
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
special_featuresDRAIN COUPLING; INSERT HOSE BARB 1/2IN. INNER DIAMETER; FOR USE ON THE PLASMA THAWING SYSTEM, NSN: 6640-01-510-3136 IN
part_name_assigned_by_controlling_agencyCOUPLING DRAIN F/THAWING SYS MODEL DH4 ID 1/2IN IN
NSN5310-01-211-0696
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 220233 · 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
•
HOLE DIAMETER: 0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: RECTANGULAR
•
OVERALL DIAMETER: 0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
•
PERIPHERAL SHAPE STYLE: ROUND
•
THICKNESS: 0.0598 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CENTER HOLE SHAPE STYLEROUND
HOLE DIAMETER0.198 INCHES MINIMUM AND 0.208 INCHES MAXIMUM IN
MATERIALSTEEL OVERALL
SURFACE TREATMENTCADMIUM OVERALL
CROSS-SECTIONAL SHAPE STYLERECTANGULAR
OVERALL DIAMETER0.678 INCHES MINIMUM AND 0.698 INCHES MAXIMUM IN
PERIPHERAL SHAPE STYLEROUND
THICKNESS0.0598 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONVS 1-3-1-22,FSCM 62983 MFR REF SINGLE TREATMENT RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 2
6640NCM071873InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
4910InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 220233?
220233 is a WASHER,FLAT.
What parts can replace 220233?
There are 2 known substitutes for 220233: 6640NCM071873, 4910. Substitute compatibility should be verified for your specific system.
What is the NSN for 220233?
220233 is cataloged in the Federal Logistics Information System under NSN 5310-01-211-0696. 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: September 2026