The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-030-9871, 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 Merrimac Industries, Inc. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-030-9871 |
| Primary Part Number | FIW2300-18298 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Merrimac Industries, Inc |
| Status | ACTIVE |
| Flange Quantity | 1 |
| Flange Type | SLEEVE |
| Flange Connecting Hole Diameter | 3.700 MILLIMETERS NOMINAL MM |
| Frequency Range Rating | +15.5 TO 17.5 GIGAHERTZ |
| Flange Connection Facility Quantity | 4 |
| 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 |
|---|---|
| U177-E10-X2 | Siemens Schweiz Ag Dba Siemens Switzerland Ltd. (CHE) |
| FIW2300-18298 PRIMARY | Merrimac Industries, Inc (USA) |
NSN 5985-01-030-9871 is a Isolator,radio Frequency Reflect, manufactured by Merrimac Industries, Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-030-9871 has 2 manufacturer part numbers on file: U177-E10-X2 (Siemens Schweiz Ag Dba Siemens Switzerland Ltd.), FIW2300-18298 (Merrimac Industries, Inc).
Key specifications for FIW2300-18298: Overall Height: 12.700 MILLIMETERS NOMINAL MM; Flange Quantity: 1; Flange Type: SLEEVE; Overall Length: 39.530 MILLIMETERS MAXIMUM MM. 5 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 5985-01-030-9871 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.