The Isolator,radio Frequency Reflect, cataloged under National Stock Number 5985-01-254-8135, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-254-8135 |
| Item Name | Isolator,radio Frequency Reflect |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | MICROWAVE EQUIPMENT |
| Length | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Flange Quantity | 1 |
| Precious Material | SILVER |
| Flange Type | COVER |
| Flange Connecting Hole Diameter | 0.116 INCHES MINIMUM IN |
| Frequency Range Rating | +32.89 TO 33.39 GIGAHERTZ |
| Flange Connecting Hole Spacing | SPACED ON 0.500 IN. BY 0.530 IN. MTG CTRS IN |
| Flange Connection Facility Quantity | 4 |
| Flange Connecting Hole Thread Size | 4-40 |
| Precious Material and Location | MATING SURFACES SILVER |
| Width | 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN |
| Usage Design | LANDING CONTROL CENTRAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 418-15-I | 5/9 Secondary reference Morehouse Industries Inc |
| 17-19167-1 | 3/9 Design control — primary reference U.S. Government activity |
| 17-19167-1 | C/1 Advisory reference — outside the item-of-supply concept Textron Systems Corporation Dba Textron Systems Corp |
NSN 5985-01-254-8135 is a Isolator,radio Frequency Reflect, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-254-8135: Overall Height: 0.747 INCHES MINIMUM AND 0.753 INCHES MAXIMUM IN; FSC Application Data: MICROWAVE EQUIPMENT; Length: 0.745 INCHES MINIMUM AND 0.755 INCHES MAXIMUM IN; Flange Quantity: 1. 13 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.