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121518 — ADAPTER,CONNECTOR

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

121518: ADAPTER,CONNECTOR.

The ADAPTER,CONNECTOR is a the manufacturer industrial component. Key specifications include outside_diameter: 6.875 INCHES NOMINAL IN, style_designator: CIRCULAR, aperture_diameter: 4.500 INCHES NOMINAL IN, end_item_identification: JUNCTION BOX, cross-sectional_thickness: 0.016 INCHES NOMINAL IN, cross-sectional_shape_style: SOLID SINGLE OR COMPOSITION. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-192-0460, 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
121518
NSN: 5330-00-192-0460
NIINs: 001920460, 010947655
FSC: 5330 — Packing and Gasket Materials
CAGE: 95802 — AIR SYSTEMS COMPONENTS INC DBA AIR SYSTEM COMPONENTS INC DIV TRION IAQ DIV (USA)
SPECIFICATIONS
outside_diameter6.875 INCHES NOMINAL IN
style_designatorCIRCULAR
aperture_diameter4.500 INCHES NOMINAL IN
end_item_identificationJUNCTION BOX
cross-sectional_thickness0.016 INCHES NOMINAL IN
cross-sectional_shape_styleSOLID SINGLE OR COMPOSITION
NSN5330-00-192-0460
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 121518 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
•
CROSS-SECTIONAL THICKNESS: 0.016 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: SOLID SINGLE OR COMPOSITION
•
OUTSIDE DIAMETER: 6.875 INCHES NOMINAL IN
•
APERTURE DIAMETER: 4.500 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL THICKNESS0.016 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLESOLID SINGLE OR COMPOSITION
OUTSIDE DIAMETER6.875 INCHES NOMINAL IN
APERTURE DIAMETER4.500 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
111741Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
HAZMAT per U.S. Government catalogNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 121518?
121518 is a ADAPTER,CONNECTOR.
What parts can replace 121518?
There is 1 known substitute for 121518: 111741. Substitute compatibility should be verified for your specific system.
What is the NSN for 121518?
121518 is cataloged in the U.S. Government catalog under NSN 5330-00-192-0460. This indicates validated use in U.S. government and defense supply chains.
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