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10243705 ✓ 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

CAP-PLUG,PROTECTIVE,DUST AND MOI. Key specifications include material: PLASTIC, POLYETHYLENE (PP), length_under_shoulder: 0.156 INCHES NOMINAL IN, open_end_inside_diameter: 0.260 INCHES NOMINAL IN, closed_end_overall_diameter: 0.370 INCHES NOMINAL IN, material_document_and_classification: L-+390, TYPE 1, GRADE 2, CLASS L FED SPEC SINGLE MATERIAL RESPONSE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-105-5715, 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
10243705
NSN: 5340-00-105-5715
FSC: 5340
CAGE: 18876 — US ARMY AVIATION AND MISSILE COMMAND (USA)
SPECIFICATIONS
materialPLASTIC, POLYETHYLENE (PP)
length_under_shoulder0.156 INCHES NOMINAL IN
open_end_inside_diameter0.260 INCHES NOMINAL IN
closed_end_overall_diameter0.370 INCHES NOMINAL IN
material_document_and_classificationL-+390, TYPE 1, GRADE 2, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
NSN5340-00-105-5715
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 10243705 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
KEY FEATURES
•
OPEN END INSIDE DIAMETER: 0.260 INCHES NOMINAL IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-+390, TYPE 1, GRADE 2, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
•
MATERIAL: PLASTIC, POLYETHYLENE (PP)
•
LENGTH UNDER SHOULDER: 0.156 INCHES NOMINAL IN
•
CLOSED END OVERALL DIAMETER: 0.370 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
OPEN END INSIDE DIAMETER0.260 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONL-+390, TYPE 1, GRADE 2, CLASS L FED SPEC SINGLE MATERIAL RESPONSE
MATERIALPLASTIC, POLYETHYLENE (PP)
LENGTH UNDER SHOULDER0.156 INCHES NOMINAL IN
CLOSED END OVERALL DIAMETER0.370 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
D1012Upgraded Successor
successor cross-reference
successor
1012-1Upgraded Successor
successor cross-reference
successor
51-006Upgraded Successor
successor cross-reference
successor
AN200K6ANG25Interchangeable
interchangeable cross-reference
interchangeable
K6ANG25Interchangeable
interchangeable cross-reference
interchangeable
6121Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 10243705?
10243705 is a CAP-PLUG,PROTECTIVE,DUST AND MOI.
What parts can replace 10243705?
There are 9 known substitutes for 10243705: D1012, 1012-1, 51-006 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 10243705?
10243705 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-105-5715. 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