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PartsTable / COMPONENT / 207493
207493 ✓ 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 BALL,VALVE,PORTED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 303, port_diameter: 0.250 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 5310-00-638-0218, 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
207493
NSN: 5310-00-638-0218
FSC: 5310
CAGE: 78062 — SARGENT AEROSPACE & DEFENSE, LLC DBA SARGENT CONTROLS & AEROSPACE DIV SARGENT CONTROLS & AEROSPACE (USA)
SPECIFICATIONS
materialSTEEL COMP 303
port_diameter0.250 INCHES NOMINAL IN
NSN5310-00-638-0218
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 207493 · 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
•
HOLE DIAMETER: 1.160 INCHES MINIMUM AND 1.170 INCHES MAXIMUM IN
•
MATERIAL THICKNESS: 0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
•
STYLE DESIGNATOR: KEY
•
OUTSIDE DIAMETER: 1.345 INCHES MINIMUM AND 1.355 INCHES MAXIMUM IN
•
INTERNAL STRAIGHT KEY WIDTH: 0.100 INCHES NOMINAL IN
•
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY: 0.575 INCHES NOMINAL IN
•
MATERIAL: COPPER ALLOY OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
HOLE DIAMETER1.160 INCHES MINIMUM AND 1.170 INCHES MAXIMUM IN
MATERIAL THICKNESS0.005 INCHES MINIMUM AND 0.015 INCHES MAXIMUM IN
STYLE DESIGNATORKEY
OUTSIDE DIAMETER1.345 INCHES MINIMUM AND 1.355 INCHES MAXIMUM IN
INTERNAL STRAIGHT KEY WIDTH0.100 INCHES NOMINAL IN
DISTANCE FROM CENTERLINE TO TOP OF INTERNAL KEY0.575 INCHES NOMINAL IN
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTCADMIUM OVERALL
INTERNAL KEY QUANTITY1
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
235120Interchangeable
interchangeable cross-reference
interchangeable
207493Interchangeable
interchangeable cross-reference
interchangeable
21158Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 207493?
207493 is a BALL,VALVE,PORTED.
What parts can replace 207493?
There are 3 known substitutes for 207493: 235120, 207493, 21158. Substitute compatibility should be verified for your specific system.
What is the NSN for 207493?
207493 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-638-0218. 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