The Switch,radio Frequency Transmiss, cataloged under National Stock Number 5985-01-359-8277, 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 Northrop Grumman Systems Corporation. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-359-8277 |
| Primary Part Number | A34U90008-1 |
| Item Name | Switch,radio Frequency Transmiss |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Voltage Standing Wave Ratio | 1.40 SINGLE |
| Voltage Standing Wave Ratio | 9190.00 FIRST |
| Voltage Standing Wave Ratio | 9310.00 SECOND |
| Pole Quantity | 1 |
| Coupling Position Quantity | 3 |
| Minimum Crosstalk Rating in Decibels | 70.0 SINGLE |
| Switch Type | NONTRANSFER |
| Insertion Loss in Decibels | 0.40 SINGLE |
| Actuator Operating Method | RELAY |
| Frequency Rating | 9190.0 MEGAHERTZ MINIMUM AND 9310.0 MEGAHERTZ MAXIMUM FIRST FREQUENCY CROSSTALK REFERENCE |
| Frequency Rating | 9190.0 MEGAHERTZ MINIMUM AND 9310.0 MEGAHERTZ MAXIMUM SINGLE FREQUENCY OPERATING |
| Frequency Rating | 9310.0 MEGAHERTZ MAXIMUM FIRST FREQUENCY OPERATING |
| Terminal Type and Quantity | 2 TAB, SOLDER LUG AND 3 RECEPTACLE, COAXIAL |
| Coaxial Connector Series Designation | SMA |
| Throw Quantity | 2 |
| 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 |
|---|---|
| A34U90008-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A34U90008-1 | 5/9 Secondary reference Amphenol Corporation Div Amphenol Rf |
| N303-10179-3 | 5/9 Secondary reference Arrowsmith Shelburne Inc |
| A34U90008-1 | 5/9 Secondary reference Arrowsmith Shelburne Inc |
NSN 5985-01-359-8277 is a Switch,radio Frequency Transmiss, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-359-8277 has 1 manufacturer part number on file: A34U90008-1 (Northrop Grumman Systems Corporation).
Key specifications for A34U90008-1: Overall Height: 0.500 INCHES NOMINAL IN; Voltage Standing Wave Ratio: 1.40 SINGLE; Voltage Standing Wave Ratio: 9190.00 FIRST; Voltage Standing Wave Ratio: 9310.00 SECOND. 15 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.