PartsTable
Technical Data Sheet
26009593 ✓ 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,PROTECTIVE,DUST AND MOISTURE. Key specifications include material: PLASTIC, design_type: THREADED, thread_class: 2B, round_cap_outside_surface_condition: RIBBED, material_document_and_classification: L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE, thread_size_and_series/type_designator: 9/16-18 UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-146-4564, 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
26009593
NSN: 5340-01-146-4564
FSC: 5340
CAGE: K1156 — BAE SYSTEMS INTEGRATED SYSTEM TECHNOLOGIES LTD (GBR)
SPECIFICATIONS
materialPLASTIC
design_typeTHREADED
thread_class2B
round_cap_outside_surface_conditionRIBBED
material_document_and_classificationL-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
thread_size_and_series/type_designator9/16-18 UNF
tube_outside_diameter_for_which_designed0.375 INCHES NOMINAL IN
NSN5340-01-146-4564
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 26009593 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
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS: 2B
MATERIAL: PLASTIC
THREAD SIZE AND SERIES/TYPE DESIGNATOR: 9/16-18 UNF
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.375 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITION: RIBBED
DESIGN TYPE: THREADED
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS L, GRADE 2 FED SPEC SINGLE MATERIAL RESPONSE
THREAD CLASS2B
MATERIALPLASTIC
THREAD SIZE AND SERIES/TYPE DESIGNATOR9/16-18 UNF
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.375 INCHES NOMINAL IN
ROUND CAP OUTSIDE SURFACE CONDITIONRIBBED
DESIGN TYPETHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 22
NAS817-6Upgraded Successor
successor cross-reference
successor
NAS835-6AUpgraded Successor
successor cross-reference
successor
10117546Upgraded Successor
successor cross-reference
successor
MIL-C-5501/3Upgraded Successor
successor cross-reference
successor
M5501/3-R8Upgraded Successor
successor cross-reference
successor
NAS814-8BUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 26009593?
26009593 is a CAP,PROTECTIVE,DUST AND MOISTURE.
What parts can replace 26009593?
There are 22 known substitutes for 26009593: NAS817-6, NAS835-6A, 10117546 and 19 more. Substitute compatibility should be verified for your specific system.
Is 26009593 still available?
26009593 is currently cancelled.
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