The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-541-5598, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-541-5598 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Overall Diameter | 7.000 INCHES NOMINAL IN |
| Specification/standard Data | 12115-S+1026-5058 MANUFACTURERS SPECIFICATION CONTROL |
| Unit Type | WAVEGUIDE |
| Mounting Configuration | RECTANGULAR FLANGE,2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 1026-5058-1 | 3/9 Design control — primary reference Drs Icas, Llc |
| 1026-5058 | 7/9 Vendor item drawing reference Drs Icas, Llc |
NSN 5985-01-541-5598 is a Coupler,rotary,radio Frequency, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-541-5598: Overall Diameter: 7.000 INCHES NOMINAL IN; Specification/standard Data: 12115-S+1026-5058 MANUFACTURERS SPECIFICATION CONTROL; Unit Type: WAVEGUIDE; Special Features: WAVEGUIDE FLANGES ARE IAW MIL-DTL-3922/F2 EXCEPT ONE HAS EIGHT PLAIN HOLES AND ONE HAS EIGHT THREADED HOLES,DIAM.0.250-20 UNC-2B. 4 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 5985-01-541-5598 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.