The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-407-6683, 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 Ems Technologies Inc Div Defense & Space Systems. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-01-407-6683 |
| Primary Part Number | 31395-150906(406-28) |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Ems Technologies Inc Div Defense & Space Systems |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT |
| Flange Quantity | 3 |
| Connection Method | COVER FLANGE |
| Flange Type | COVER |
| Flange Connecting Hole Diameter | 0.144 INCHES MINIMUM AND 0.147 INCHES MAXIMUM IN |
| Specification/standard Data | 94987-233815 MANUFACTURERS SOURCE CONTROL |
| Insertion Loss in Decibels | 0.3 |
| 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 |
|---|---|
| 31395-150906(406-28) PRIMARY | Ems Technologies Inc Div Defense & Space Systems (USA) |
| Reference | Meaning |
|---|---|
| 233815-1 | 1/2 Source control — Government-approved source U.S. Government activity |
NSN 5985-01-407-6683 is a Circulator,radio Frequency, manufactured by Ems Technologies Inc Div Defense & Space Systems, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-407-6683 has 1 manufacturer part number on file: 31395-150906(406-28) (Ems Technologies Inc Div Defense & Space Systems).
Key specifications for 31395-150906(406-28): Overall Height: 1.500 INCHES NOMINAL IN; FSC Application Data: ANTENNAS, WAVEGUIDES, AND RELATED EQUIPMENT; Flange Quantity: 3; Connection Method: COVER FLANGE. 8 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 5985-01-407-6683 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.