The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-294-0137, 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 Microlab/fxr Llc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-294-0137 |
| Primary Part Number | N157C |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microlab/fxr Llc |
| Status | ACTIVE |
| Controlling Agency | GENERAL DYNAMICS |
| Overall Diameter | 1.530 INCHES NOMINAL IN |
| Trade Designation | CONNECTOR RECEPTACLE |
| Identifying Number | 654VE7443-1 DRAWING NO. |
| Connector Quantity | 2 |
| Frequency Range Rating | +2.0 TO 4.0 GIGAHERTZ |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| N157C | Microlab/fxr Llc (USA) |
| Reference | Meaning |
|---|---|
| 654VE7443-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-01-294-0137 is a Isolator,radio Frequency Reflect, manufactured by Microlab/fxr Llc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-294-0137 has 1 manufacturer part number on file: N157C (Microlab/fxr Llc).
Key specifications for N157C: Controlling Agency: GENERAL DYNAMICS; Overall Diameter: 1.530 INCHES NOMINAL IN; Trade Designation: CONNECTOR RECEPTACLE; Identifying Number: 654VE7443-1 DRAWING NO.. 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.
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.