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Technical Data Sheet
PartsTable / COMPONENT / 16018-B-4
16018-B-4 ✓ 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 FERRULE,HANDLE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, hole_diameter: 0.141 INCHES NOMINAL0.141 INCHES NOMINAL IN, overall_height: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN, mounting_method: SLIPS-ONSLIPS-ON, outside_diameter: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN, style_designator: ROUND. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-915-2372, 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
16018-B-4
NSN: 5340-00-915-2372
FSC: 5340
CAGE: 1YGB8 — CAREY MANUFACTURING CO, INC DBA AMATOM ELECTRONIC HARDWARE DIV AMATOM ELECTRONIC HARDWARE (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
hole_diameter0.141 INCHES NOMINAL0.141 INCHES NOMINAL IN
overall_height0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
mounting_methodSLIPS-ONSLIPS-ON
outside_diameter0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
style_designatorROUND
surface_treatmentNICKEL OVERALL
material_document_and_classificationQQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationQQ-N-290,CLASS 1,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN5340-00-915-2372
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 16018-B-4 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
•
SURFACE TREATMENT: NICKEL OVERALL
•
MATERIAL: COPPER ALLOY OVERALL
•
HOLE DIAMETER: 0.141 INCHES NOMINAL0.141 INCHES NOMINAL IN
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-N-290,CLASS 1,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
MOUNTING METHOD: SLIPS-ONSLIPS-ON
•
STYLE DESIGNATOR: ROUND
•
OUTSIDE DIAMETER: 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTNICKEL OVERALL
MATERIALCOPPER ALLOY OVERALL
HOLE DIAMETER0.141 INCHES NOMINAL0.141 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-N-290,CLASS 1,TYPE 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
MOUNTING METHODSLIPS-ONSLIPS-ON
STYLE DESIGNATORROUND
OVERALL HEIGHT0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
OUTSIDE DIAMETER0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,ALLOY 360,1/2H FED SPEC SINGLE MATERIAL RESPONSE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
5015-297Upgraded Successor
successor cross-reference
successor
90-312Upgraded Successor
successor cross-reference
successor
2950-0038Interchangeable
interchangeable cross-reference
interchangeable
903-012Interchangeable
interchangeable cross-reference
interchangeable
241-20026Interchangeable
interchangeable cross-reference
interchangeable
220-1103-00Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 16018-B-4?
16018-B-4 is a FERRULE,HANDLE.
What parts can replace 16018-B-4?
There are 14 known substitutes for 16018-B-4: 5015-297, 90-312, 2950-0038 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 16018-B-4?
16018-B-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-915-2372. 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