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PartsTable / COMPONENT / SE-209010
SE-209010 ✓ 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,SPRING TENSION is a the manufacturer industrial component. Key specifications include material: STEEL UNS K08500 OVERALL, hole_diameter: 4.240 INCHES MINIMUM IN, overall_height: 0.125 INCHES NOMINAL IN, outside_diameter: 4.750 INCHES MAXIMUM IN, material_thickness: 0.030 INCHES NOMINAL IN, material_document_and_classification: ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-306-4868, 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
SE-209010
NSN: 5310-01-306-4868
FSC: 5310
CAGE: 0RK88 — KOCSIS TECHNOLOGIES INC DBA KOCSIS TECHNOLOGIES INC (USA)
SPECIFICATIONS
materialSTEEL UNS K08500 OVERALL
hole_diameter4.240 INCHES MINIMUM IN
overall_height0.125 INCHES NOMINAL IN
outside_diameter4.750 INCHES MAXIMUM IN
material_thickness0.030 INCHES NOMINAL IN
material_document_and_classificationASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN5310-01-306-4868
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: SE-209010 · 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
•
MATERIAL: STEEL UNS K08500 OVERALL
•
HOLE DIAMETER: 4.240 INCHES MINIMUM IN
•
MATERIAL THICKNESS: 0.030 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
•
OUTSIDE DIAMETER: 4.750 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL HEIGHT0.125 INCHES NOMINAL IN
MATERIALSTEEL UNS K08500 OVERALL
HOLE DIAMETER4.240 INCHES MINIMUM IN
MATERIAL THICKNESS0.030 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A228 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
OUTSIDE DIAMETER4.750 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
4244851Interchangeable
interchangeable cross-reference
interchangeable
7520014244851Interchangeable
interchangeable cross-reference
interchangeable
H-171Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SE-209010?
SE-209010 is a WASHER,SPRING TENSION.
What parts can replace SE-209010?
There are 3 known substitutes for SE-209010: 4244851, 7520014244851, H-171. Substitute compatibility should be verified for your specific system.
What is the NSN for SE-209010?
SE-209010 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-306-4868. 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