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PartsTable / COMPONENT / 2493745
2493745 ✓ 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,FLAT is a the manufacturer industrial component. Key specifications include thickness: 0.032 INCHES NOMINAL IN, hole_diameter: 0.255 INCHES NOMINAL IN, overall_diameter: 1.100 INCHES NOMINAL IN, peripheral_shape_style: ROUND, center_hole_shape_style: ROUND, minimum_tensile_strength: 1500 POUNDS PER SQUARE INCH LBS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-717-3597, 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
2493745
NSN: 5310-00-717-3597
FSC: 5310
CAGE: 10001 — NAVAIR AND NAVSEA MANAGED ORIGINAL DESIGN ACTIVITY DWG NOT MATERIAL/PARTS SUPPLIER (USA)
SPECIFICATIONS
thickness0.032 INCHES NOMINAL IN
hole_diameter0.255 INCHES NOMINAL IN
overall_diameter1.100 INCHES NOMINAL IN
peripheral_shape_styleROUND
center_hole_shape_styleROUND
minimum_tensile_strength1500 POUNDS PER SQUARE INCH LBS
material_document_and_classificationMIL-P-19468,GROUP C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNAVY SPECIAL PROJECT
NSN5310-00-717-3597
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 2493745 · 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 DOCUMENT AND CLASSIFICATION: MIL-P-19468,GROUP C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CENTER HOLE SHAPE STYLE: ROUND
•
MINIMUM TENSILE STRENGTH: 1500 POUNDS PER SQUARE INCH LBS
•
PERIPHERAL SHAPE STYLE: ROUND
•
HOLE DIAMETER: 0.255 INCHES NOMINAL IN
•
OVERALL DIAMETER: 1.100 INCHES NOMINAL IN
•
THICKNESS: 0.032 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-P-19468,GROUP C MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CENTER HOLE SHAPE STYLEROUND
MINIMUM TENSILE STRENGTH1500 POUNDS PER SQUARE INCH LBS
PERIPHERAL SHAPE STYLEROUND
HOLE DIAMETER0.255 INCHES NOMINAL IN
PART NAME ASSIGNED BY CONTROLLING AGENCYNAVY SPECIAL PROJECT
OVERALL DIAMETER1.100 INCHES NOMINAL IN
THICKNESS0.032 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
54A50B164Interchangeable
interchangeable cross-reference
interchangeable
20454Interchangeable
interchangeable cross-reference
interchangeable
50711Interchangeable
interchangeable cross-reference
interchangeable
1650PL0701542Interchangeable
interchangeable cross-reference
interchangeable
19779Interchangeable
interchangeable cross-reference
interchangeable
8148650Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 2493745?
2493745 is a WASHER,FLAT.
What parts can replace 2493745?
There are 12 known substitutes for 2493745: 54A50B164, 20454, 50711 and 9 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 2493745?
2493745 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5310-00-717-3597. 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