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C00309 ✓ 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 HOSE ASSEMBLY,METALLIC is a the manufacturer industrial component. Key specifications include diameter: 0.281 INCHES NOMINAL IN, overall_width: 0.500 INCHES NOMINAL IN, connection_type: UNTHREADED EXTERNAL HOSE FIRST END, inside_diameter: 1.250 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-435-8633, 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
C00309
NSN: 5340-00-435-8633
FSC: 5340
CAGE: 75272 — KICKHAEFER MANUFACTURING COMPANY, LLC DBA KICKHAEFER MANUFACTURING CO (USA)
SPECIFICATIONS
diameter0.281 INCHES NOMINAL IN
overall_width0.500 INCHES NOMINAL IN
connection_typeUNTHREADED EXTERNAL HOSE FIRST END
inside_diameter1.250 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.025 INCHES NOMINAL IN
loop_inside_diameter0.187 INCHES NOMINAL IN
cross-sectional_shape_styleROUND
measuring_method_and_length9.500 INCHES NOMINAL OVERALL IN
distance_from_loop_center_to_tongue_end0.718 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.468 INCHES NOMINAL IN
NSN5340-00-435-8633
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: C00309 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
•
DIAMETER: 0.281 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.187 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.718 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.468 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.025 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.281 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.187 INCHES NOMINAL IN
OVERALL WIDTH0.500 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.718 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
TONGUE HOLE TYPEROUND, UNTHREADED
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.468 INCHES NOMINAL IN
MATERIAL THICKNESS0.025 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
PA1020Interchangeable
interchangeable cross-reference
interchangeable
60-886Interchangeable
interchangeable cross-reference
interchangeable
LS1174-2Interchangeable
interchangeable cross-reference
interchangeable
31780Interchangeable
interchangeable cross-reference
interchangeable
QQ-A-200/3Interchangeable
interchangeable cross-reference
interchangeable
LS1174Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C00309?
C00309 is a HOSE ASSEMBLY,METALLIC.
What parts can replace C00309?
There are 8 known substitutes for C00309: PA1020, 60-886, LS1174-2 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for C00309?
C00309 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-435-8633. 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