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Technical Data Sheet
PartsTable / COMPONENT / A3725
A3725 ✓ 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 MICROCIRCUIT,LINEAR is a the manufacturer industrial component. Key specifications include material: STEEL COMP 1117 OVERALL, body_width: 1.145 INCHES MAXIMUM IN, body_height: 0.500 INCHES MAXIMUM IN, body_length: 1.145 INCHES MAXIMUM IN, hole_diameter: 0.266 INCHES NOMINAL IN, outside_diameter: 1.250 INCHES NOMINAL 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 5310-00-350-6759, 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
A3725
NSN: 5310-00-350-6759
FSC: 5310
CAGE: 81130 — WHITNEY CHAIN OPERATION POWER TRANSMISSION DIV DRESSER INDUSTRIES INC (USA)
SPECIFICATIONS
materialSTEEL COMP 1117 OVERALL
body_width1.145 INCHES MAXIMUM IN
body_height0.500 INCHES MAXIMUM IN
body_length1.145 INCHES MAXIMUM IN
hole_diameter0.266 INCHES NOMINAL IN
outside_diameter1.250 INCHES NOMINAL IN
style_designatorCONVEX
features_providedMONOLITHIC AND POSITIVE OUTPUTS AND NEGATIVE OUTPUTS AND HIGH SPEED
inclosure_materialPLASTIC
material_thickness0.188 INCHES NOMINAL IN
storage_temp_range-55.0 TO 125.0 CELSIUS DEGC
operating_temp_range-25.0 TO 85.0 CELSIUS DEGC
NSN5310-00-350-6759
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: A3725 · 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 1117 OVERALL
•
STYLE DESIGNATOR: CONVEX
•
MATERIAL DOCUMENT AND CLASSIFICATION: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL
•
MATERIAL THICKNESS: 0.188 INCHES NOMINAL IN
•
HOLE DIAMETER: 0.266 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.250 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALSTEEL COMP 1117 OVERALL
STYLE DESIGNATORCONVEX
MATERIAL DOCUMENT AND CLASSIFICATION66 FED STD SINGLE MATERIAL RESPONSE OVERALL
MATERIAL THICKNESS0.188 INCHES NOMINAL IN
HOLE DIAMETER0.266 INCHES NOMINAL IN
OUTSIDE DIAMETER1.250 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
462672-1Interchangeable
interchangeable cross-reference
interchangeable
A3725Interchangeable
interchangeable cross-reference
interchangeable
1027-01Interchangeable
interchangeable cross-reference
interchangeable
319970Interchangeable
interchangeable cross-reference
interchangeable
A17685Interchangeable
Same NIIN cross-reference
interchangeable
8720070Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A3725?
A3725 is a MICROCIRCUIT,LINEAR.
What parts can replace A3725?
There are 7 known substitutes for A3725: 462672-1, A3725, 1027-01 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A3725?
A3725 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-350-6759. 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