The Coupler,rotary,radio Frequency, cataloged under National Stock Number 5985-01-052-3811, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5985-01-052-3811 |
| Item Name | Coupler,rotary,radio Frequency |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| Supplementary Features | CONSISTS OF 1 CHOKE,1 WAVEGUIDE ADAPTER,1 TRANSITION,4 INSERT,1 TUNING STUB,1 PLATE,5 GOSSET,1 COVER FLANGE; PRIME PER MIL-P-8585,COLOR Y; DIP BRAZE PER MIL-B-7883,TYPE V,GRADE B,METHOD II (F-106,TEMPER F); CHEMICAL FILM PER MIL-C-5541,CLASS 3,(F-21,METHOD IIIB); MARK PER F-100,METHOD II,CLASS I,HGT .12,COLOR BLACK |
| Unit Type | WAVEGUIDE |
| Material | ALUMINUM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 877921-1 | 3/2 Design control — primary reference U.S. Government activity |
| 877921 | D/9 Drawing number reference only U.S. Government activity |
NSN 5985-01-052-3811 is a Coupler,rotary,radio Frequency, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-01-052-3811: Supplementary Features: CONSISTS OF 1 CHOKE,1 WAVEGUIDE ADAPTER,1 TRANSITION,4 INSERT,1 TUNING STUB,1 PLATE,5 GOSSET,1 COVER FLANGE; PRIME PER MIL-P-8585,COLOR Y; DIP BRAZE PER MIL-B-7883,TYPE V,GRADE B,METHOD II (F-106,TEMPER F); CHEMICAL FILM PER MIL-C-5541,CLASS 3,(F-21,METHOD IIIB); MARK PER F-100,METHOD II,CLASS I,HGT .12,COLOR BLACK; Unit Type: WAVEGUIDE; End Item Identification: 5840-00-153-3842,RADAR SET,AN/GPN-12; Material: ALUMINUM. 3 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 5985-01-052-3811 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.