The Circulator,radio Frequency, cataloged under National Stock Number 5985-01-349-5499, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 5 specifications, cited from the U.S. Government catalog. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-349-5499 |
| Item Name | Circulator,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Precious Material | GOLD |
| Impedance Rating in Ohms | 50.0 NOMINAL |
| Frequency Range Rating | +8.5 TO 9.6 GIGAHERTZ |
| Insertion Loss in Decibels | 0.6 |
| Precious Material and Location | TAB SURFACE GOLD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 61205-90029 | 3/2 Design control — primary reference U.S. Government activity |
| XD8596-C | 5/9 Secondary reference Ocean Microwave Corp |
| 2735D0040-01 | C/1 Advisory reference — outside the item-of-supply concept Frequency Electronics Inc |
| CP241 | 5/9 Secondary reference Crane Electronics, Inc. Dba Stc Microwave Systems Div Signal Technology Corporation |
| 61205-90029 | C/1 Advisory reference — outside the item-of-supply concept Anaren, Inc. Div Anaren Microwave Inc |
| 2735D0040-01 | 5/9 Secondary reference Fei Microwave Inc |
NSN 5985-01-349-5499 is a Circulator,radio Frequency, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4120-01-426-5940. Verify interchangeability with system specifications before substitution.
Key specifications for 5985-01-349-5499: Overall Height: 0.135 INCHES MAXIMUM IN; Precious Material: GOLD; Overall Length: 0.475 INCHES NOMINAL IN; Overall Width: 0.345 INCHES MINIMUM AND 0.350 INCHES MAXIMUM IN. 5 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 5985-01-349-5499 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.