Panduit NKFP91BN1NKM001 NetKey 1 Fiber Pigtail OS2 LC 1m 12-Color Kit

The Panduit NKFP91BN1NKM001 NetKey pigtail kit delivers field-termination flexibility for single-mode fiber installations that demand color-coded organization and repeatable LC connector performance. Each kit contains twelve 1-meter pigtails with OS2 9/125µm fiber, 900µm buffered cable, and factory-polished LC simplex connectors on one end—the opposite end stripped and ready for fusion splicing to backbone trunks, cassettes, or distribution cables. The twelve-color assortment maps directly to TIA-598-C fiber identification standards, simplifying traceability in high-density racks where a single 12-fiber trunk fans out to individual patch panels or equipment ports.

Key Features

• 12-Color Kit: One pigtail in each TIA-598-C color (blue, orange, green, brown, slate, white, red, black, yellow, violet, rose, aqua) for organized breakout of 12-fiber trunks
• OS2 Single-Mode Fiber: 9/125µm core/cladding with ≤0.4 dB/km attenuation at 1310nm and ≤0.3 dB/km at 1550nm, supporting 10GBASE-LR, 40GBASE-LR4, and 100GBASE-LR4 over multi-kilometer spans
• Factory-Terminated LC Connector: Pre-polished simplex LC on equipment end eliminates field polishing, ensures insertion loss below 0.3 dB per TIA-604-10-A (FOCIS-10)
• 900µm Buffered Cable: Tight-buffered construction adds mechanical protection over bare 250µm fiber, withstands handling during slack management and tray routing
• 1-Meter Length: Optimal for rack-to-rack crossconnects, cassette module fan-outs, and patch panel terminations without excessive slack
• Riser Rated (CMR): Meets NFPA 262 / UL 1666 flame test for vertical tray installations in non-plenum spaces, compliant with NEC Article 770
• Fusion-Splice Ready: Pigtail end stripped to 250µm fiber with 900µm buffer removed, pre-measured for quick fusion splicing to trunk cables or cassette modules

Single-mode OS2 fiber is the backbone of modern data center and campus interconnects. The 9µm core diameter supports laser transmission at 1310nm and 1550nm wavelengths with minimal modal dispersion, enabling 10 Gbps links beyond 10 km and 40/100 Gbps links over 2–10 km without inline amplification. Unlike OM3/OM4 multimode fiber (limited to 300–550 meters at 10G), OS2 pigtails future-proof horizontal and backbone cabling for next-generation optics without costly fiber replacement. The Panduit NKFP91BN1NKM001 kit's twelve-color assortment aligns with TIA-598-C position assignments: fiber 1 = blue, fiber 2 = orange, fiber 3 = green, and so on through fiber 12 = aqua. When splicing a 12-fiber distribution cable to a cassette module or patch panel, this one-to-one color mapping eliminates cross-connection errors and accelerates troubleshooting—technicians trace circuits visually rather than relying solely on cable labels or tone generators.

The 900µm tight-buffered construction balances flexibility and durability. Bare 250µm fiber (the outer cladding dimension of OS2 cable) is fragile and requires rigid protection in splice trays; 900µm buffer adds a secondary layer of acrylate or PVC coating that absorbs bend stress and resists abrasion during tray routing and slack coiling. This design is standard for pigtails and intra-rack jumpers where cables undergo repeated handling but do not require the crush resistance of armored trunk cable. The factory-terminated LC connector on each pigtail ships with a dust cap and has been factory-polished to a physical-contact (PC) endface geometry—measured insertion loss is documented on Panduit's certificate of compliance and typically remains below 0.25 dB across the kit. Field polishing LC connectors demands specialized tooling (fiber cleavers, polishing pucks, inspection microscopes) and introduces variability in endface geometry; pre-terminated pigtails shift that precision to the factory and deliver consistent optical performance on every termination.

Riser-rated (CMR) cable jacket meets NFPA 262 and UL 1666 flame propagation limits for vertical installations in non-plenum spaces—cable trays in equipment rooms, risers between floors, and intra-building backbones that do not share airflow with HVAC return plenums. The yellow PVC jacket provides high visibility in crowded cable trays and matches the TIA-598-C convention for single-mode fiber (yellow = OS2). Each 1-meter pigtail includes approximately 10 cm of exposed 250µm fiber on the splice end, pre-stripped and cleaned for immediate fusion splicing to backbone cables, pre-terminated cassettes, or MTP/MPO fan-out modules. Installers can complete twelve terminations in under 30 minutes using a portable fusion splicer and heat-shrink splice protectors, compared to 90+ minutes for field-connectorized LC terminations with epoxy/polish methods.

The Panduit NKFP91BN1NKM001 kit conforms to TIA/EIA 568-C.3 optical fiber cabling standards, IEC 61755-3-1 connector interface specifications, and FOCIS-10 (TIA-604-10-A) LC connector geometry requirements. RoHS compliant construction eliminates lead, mercury, cadmium, and hexavalent chromium. Packaged as a single kit with twelve individually bagged pigtails; carton quantity is 20 kits (240 total pigtails) for bulk deployments across data centers, telecommunications rooms, and equipment distribution areas. This kit is purpose-built for integrators who demand factory-grade connector performance, standards-based color coding, and rapid field termination without sacrificing optical budget or long-term reliability.