The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-00-931-2003, 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 Kontron Europe Gmbh. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5985-00-931-2003 |
| Primary Part Number | C994100105 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Kontron Europe Gmbh |
| Status | ACTIVE |
| Length | 1.625 INCHES NOMINAL IN |
| Flange Quantity | 2 |
| Flange Type | COVER |
| Flange Connecting Hole Diameter | 0.164 INCHES NOMINAL IN |
| Frequency Range Rating | +85.0 TO 96.0 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 1.352 IN. BY 1.352 IN. MTG CENTERS IN |
| Flange Connection Facility Quantity | 4 |
| Flange Connecting Hole Thread Size | 8-32 |
| Width | 1.625 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| C994100105 | Kontron Europe Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| C994100105 | 3/9 Design control — primary reference Systron-Donner Corp Microwave/instrument Div |
NSN 5985-00-931-2003 is a Isolator,radio Frequency Reflect, manufactured by Kontron Europe Gmbh, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-931-2003 has 1 manufacturer part number on file: C994100105 (Kontron Europe Gmbh).
Key specifications for C994100105: Overall Height: 1.873 INCHES NOMINAL IN; Length: 1.625 INCHES NOMINAL IN; Flange Quantity: 2; Flange Type: COVER. 9 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 5985-00-931-2003 has DEMIL Code B. 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.