The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-186-0729, 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 E and M Laboratories Div of Trak Microwave Corp. 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 | 5985-00-186-0729 |
| Primary Part Number | X143LT1 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | E and M Laboratories Div of Trak Microwave Corp |
| Status | ACTIVE |
| Flange Type | CHOKE |
| Flange Connecting Hole Diameter | 0.250 INCHES NOMINAL IN |
| Connector Quantity | 1 |
| Frequency Range Rating | +9.1 TO 9.7 MEGAHERTZ |
| Flange Connection Facility Quantity | 8 |
| Flange Connecting Hole Thread Size | 8.32 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| X143LT1 PRIMARY | E and M Laboratories Div of Trak Microwave Corp (USA) |
NSN 5985-00-186-0729 is a Isolator,radio Frequency Reflect, manufactured by E and M Laboratories Div of Trak Microwave Corp, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-186-0729 has 1 manufacturer part number on file: X143LT1 (E and M Laboratories Div of Trak Microwave Corp).
Key specifications for X143LT1: Overall Height: 1.500 INCHES NOMINAL IN; Flange Type: CHOKE; Overall Length: 2.250 INCHES NOMINAL IN; Overall Width: 1.620 INCHES NOMINAL IN. 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 5985-00-186-0729 has DEMIL Code Q. 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.