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10510745 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The WASHER,LOCK is a the manufacturer industrial component. Key specifications include color: BLACK OVERALL, material: STEEL OVERALL, hole_diameter: 0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN, outside_diameter: 0.334 INCHES NOMINAL IN, style_designator: SPLIT HELICAL-RIGHT HAND, surface_treatment: PASSIVATE AND ZINC AND ALUMINUM ALLOY OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-130-9867, 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
10510745
NSN: 5340-01-130-9867
FSC: 5340
CAGE: 56161 — GENERAL DYNAMICS LAND SYSTEMS CANADACORP (CAN)
SPECIFICATIONS
colorBLACK OVERALL
materialSTEEL OVERALL
hole_diameter0.193 INCHES MINIMUM AND 0.200 INCHES MAXIMUM IN
outside_diameter0.334 INCHES NOMINAL IN
style_designatorSPLIT HELICAL-RIGHT HAND
surface_treatmentPASSIVATE AND ZINC AND ALUMINUM ALLOY OVERALL
material_thickness0.047 INCHES NOMINAL IN
end_item_identification017201069
material_document_and_classificationAISI 1055-1065 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyNUMBER 10 MEDIUM SPLIT LOCK WASHER
NSN5340-01-130-9867
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10510745 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONCH-47, ROTARY WING AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
DUO-CHEKInterchangeable
interchangeable cross-reference
interchangeable
137584L0Interchangeable
interchangeable cross-reference
interchangeable
7584LInterchangeable
interchangeable cross-reference
interchangeable
195G10Interchangeable
interchangeable cross-reference
interchangeable
BK35Interchangeable
interchangeable cross-reference
interchangeable
718-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10510745?
10510745 is a WASHER,LOCK.
What parts can replace 10510745?
There are 16 known substitutes for 10510745: DUO-CHEK, 137584L0, 7584L and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10510745?
10510745 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-130-9867. 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