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140-8718 — WASHER,FLAT

✓ Government record, cited
— · NUT WASHER
PRODUCT OVERVIEW

140-8718: WASHER,FLAT.

The WASHER,FLAT is a the manufacturer industrial component. Key specifications include special_features: LOADER,SCOOP, end_item_identification: FUEL SYSTEM;217-0109 PUMP GP-FUEL INJECTION;S/N:CPT1-UP;PART OF 179-1797 ENGINE AR-PRIMARY, part_name_assigned_by_controlling_agency: WASHER. This part is cataloged in the U.S.

Government catalog under NSN 5310-01-471-4640, 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
140-8718
NSN: 5310-01-471-4640
NIINs: 014714640, 015173412
FSC: 5310 — Nuts and Washers
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
special_featuresLOADER,SCOOP
end_item_identificationFUEL SYSTEM;217-0109 PUMP GP-FUEL INJECTION;S/N:CPT1-UP;PART OF 179-1797 ENGINE AR-PRIMARY
part_name_assigned_by_controlling_agencyWASHER
NSN5310-01-471-4640
COMPONENT DIAGRAM
NUT & WASHER — GRADE MATCHING REQUIRED Hex NUT CROSS-SECTION WASHER OD: — SIZE: — MATERIAL: — PN: 140-8718 · 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
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONNHA IS FUEL SYSTEM INJECTION FUEL PUMP GROUP,PN 142-5-71;END ITEM IS MODEL CS-433C TYPE I, VIBRATING ROLLER,CATERPILLAR DIRECT VENDOR DELIVERY (DVD)PROGRAM
SUBSTITUTES & CROSS-REFERENCES 1
10472924Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 140-8718?
140-8718 is a WASHER,FLAT.
What parts can replace 140-8718?
There is 1 known substitute for 140-8718: 10472924. Substitute compatibility should be verified for your specific system.
What is the NSN for 140-8718?
140-8718 is cataloged in the U.S. Government catalog under NSN 5310-01-471-4640. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.