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Technical Data Sheet
PartsTable / COMPONENT / 7-25021
7-25021 ✓ 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 CONDUIT ASSEMBLY,METAL,RIGID is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY BODY, hole_diameter: 0.173 INCHES NOMINAL IN, overall_height: 0.125 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN, voltage_rating: 24.000 VOLTS NOMINAL, recess_diameter: 0.250 INCHES NOMINAL IN, outside_diameter: 0.407 INCHES MINIMUM AND 0.469 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 5310-00-533-9533, 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
7-25021
NSN: 5310-00-533-9533
FSC: 5310
CAGE: 30554 — DEPARTMENT OF DEFENSE PROJECT MANAGER-MOBILE ELECTRIC POWER (USA)
SPECIFICATIONS
materialALUMINUM ALLOY BODY
hole_diameter0.173 INCHES NOMINAL IN
overall_height0.125 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
voltage_rating24.000 VOLTS NOMINAL
recess_diameter0.250 INCHES NOMINAL IN
outside_diameter0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
style_designatorFINISHING
material_thickness0.025 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
end_item_identificationTRUCK,FORKLIFT
material_document_and_classificationAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
NSN5310-00-533-9533
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 7-25021 · 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
•
RECESS DIAMETER: 0.250 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI ASSN STD ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: STEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL
•
MATERIAL THICKNESS: 0.025 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: FINISHING
•
HOLE DIAMETER: 0.173 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
RECESS DIAMETER0.250 INCHES NOMINAL IN
OVERALL HEIGHT0.125 INCHES MINIMUM AND 0.300 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONAISI ASSN STD ALL MATERIAL RESPONSES OVERALL
MATERIALSTEEL COMP 1010 OR STEEL COMP 1011 OR STEEL COMP 1013 OR STEEL COMP 1015 OVERALL
MATERIAL THICKNESS0.025 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN
STYLE DESIGNATORFINISHING
HOLE DIAMETER0.173 INCHES NOMINAL IN
OUTSIDE DIAMETER0.407 INCHES MINIMUM AND 0.469 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
TR725-02Interchangeable
interchangeable cross-reference
interchangeable
693-1Interchangeable
interchangeable cross-reference
interchangeable
VS-755-1Interchangeable
interchangeable cross-reference
interchangeable
7-25021Interchangeable
interchangeable cross-reference
interchangeable
25021Interchangeable
interchangeable cross-reference
interchangeable
72502Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7-25021?
7-25021 is a CONDUIT ASSEMBLY,METAL,RIGID.
What parts can replace 7-25021?
There are 10 known substitutes for 7-25021: TR725-02, 693-1, VS-755-1 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 7-25021?
7-25021 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-533-9533. 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