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PartsTable / COMPONENT / 411572PIECE7
411572PIECE7 ✓ 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 COMP 1075 OVERALL, hole_diameter: 4.563 INCHES MINIMUM AND 4.563 INCHES MINIMUM AND 4.603 INCHES MAXIMUM4.603 INCHES MAXIMUM IN, overall_height: 0.143 INCHES MINIMUM AND 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM0.153 INCHES MAXIMUM IN, outside_diameter: 5.440 INCHES MINIMUM AND 5.440 INCHES MINIMUM AND 5.450 INCHES MAXIMUM5.450 INCHES MAXIMUM IN, style_designator: SPRING TENSION, material_thickness: 0.048 INCHES MINIMUM AND 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM0.052 INCHES MAXIMUM 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 5310-01-018-7033, 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
411572PIECE7
NSN: 5310-01-018-7033
FSC: 5310
CAGE: 99185 — EATON CORPORATION DBA AIRFLEX DIV DIV AIRFLEX (USA)
SPECIFICATIONS
materialSTEEL COMP 1075 OVERALL
hole_diameter4.563 INCHES MINIMUM AND 4.563 INCHES MINIMUM AND 4.603 INCHES MAXIMUM4.603 INCHES MAXIMUM IN
overall_height0.143 INCHES MINIMUM AND 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM0.153 INCHES MAXIMUM IN
outside_diameter5.440 INCHES MINIMUM AND 5.440 INCHES MINIMUM AND 5.450 INCHES MAXIMUM5.450 INCHES MAXIMUM IN
style_designatorSPRING TENSION
material_thickness0.048 INCHES MINIMUM AND 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM0.052 INCHES MAXIMUM IN
NSN5310-01-018-7033
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 411572PIECE7 · 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 COMP 1075 OVERALL
•
STYLE DESIGNATOR: SPRING TENSION
•
HOLE DIAMETER: 4.563 INCHES MINIMUM AND 4.563 INCHES MINIMUM AND 4.603 INCHES MAXIMUM4.603 INCHES MAXIMUM IN
•
OUTSIDE DIAMETER: 5.440 INCHES MINIMUM AND 5.440 INCHES MINIMUM AND 5.450 INCHES MAXIMUM5.450 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.048 INCHES MINIMUM AND 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM0.052 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1075 OVERALL
STYLE DESIGNATORSPRING TENSION
OVERALL HEIGHT0.143 INCHES MINIMUM AND 0.143 INCHES MINIMUM AND 0.153 INCHES MAXIMUM0.153 INCHES MAXIMUM IN
HOLE DIAMETER4.563 INCHES MINIMUM AND 4.563 INCHES MINIMUM AND 4.603 INCHES MAXIMUM4.603 INCHES MAXIMUM IN
OUTSIDE DIAMETER5.440 INCHES MINIMUM AND 5.440 INCHES MINIMUM AND 5.450 INCHES MAXIMUM5.450 INCHES MAXIMUM IN
MATERIAL THICKNESS0.048 INCHES MINIMUM AND 0.048 INCHES MINIMUM AND 0.052 INCHES MAXIMUM0.052 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
305626Interchangeable
interchangeable cross-reference
interchangeable
M2087LInterchangeable
interchangeable cross-reference
interchangeable
M-2528Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 411572PIECE7?
411572PIECE7 is a WASHER,SPRING TENSION.
What parts can replace 411572PIECE7?
There are 3 known substitutes for 411572PIECE7: 305626, M2087L, M-2528. Substitute compatibility should be verified for your specific system.
What is the NSN for 411572PIECE7?
411572PIECE7 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-01-018-7033. 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