The Coupler,directional, cataloged under National Stock Number 5985-01-321-8561, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Krytar, Inc. Dba Krytar Inc Div Krytar. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-321-8561 |
| Primary Part Number | 1818W1 |
| Item Name | Coupler,directional |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Krytar, Inc. Dba Krytar Inc Div Krytar |
| Status | ACTIVE |
| FSC Application Data | COMMUNICATION EQUIPMENT |
| Usage Design | MAIN LINE AND SECONDARY LINE TERMINAL FITTING |
| Power Loss in Decibels | 16.0 |
| Design Type | BIDIRECTIONAL |
| Radio Frequency Rating | 2.0 GIGAHERTZ MINIMUM AND 18.0 GIGAHERTZ MAXIMUM |
| Unit Type | COAXIAL LINE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 1818W1 PRIMARY | Krytar, Inc. Dba Krytar Inc Div Krytar (USA) |
NSN 5985-01-321-8561 is a Coupler,directional, manufactured by Krytar, Inc. Dba Krytar Inc Div Krytar, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-321-8561 has 1 manufacturer part number on file: 1818W1 (Krytar, Inc. Dba Krytar Inc Div Krytar).
Key specifications for 1818W1: Overall Height: 0.530 INCHES NOMINAL IN; FSC Application Data: COMMUNICATION EQUIPMENT; Usage Design: MAIN LINE AND SECONDARY LINE TERMINAL FITTING; Power Loss in Decibels: 16.0. 6 specifications are documented in the U.S. Government catalog.
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 5985-01-321-8561 has DEMIL Code D. Demilitarization may be required before disposal or transfer to non-military entities.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.