The Plate,mounting,antenna Coupler, cataloged under National Stock Number 5985-00-981-6491, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-981-6491 |
| Item Name | Plate,mounting,antenna Coupler |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Status | ACTIVE |
| FSC Application Data | ANTENNAS,WAVEGUIDES,ANDRELATED EQUIPMENT |
| Mounting Facility Quantity | 4 |
| Mounting Method | UNTHREADED HOLE(S) |
| Mounting Hole Diameter | 0.182 INCHES NOMINAL IN |
| Basic Shape Style | SQUARE |
| Material | ALUMINUM ALLOY |
| Mounting Hole Type | PLAIN |
| 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 |
|---|---|
| 3321-087 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5985-00-981-6491 is a Plate,mounting,antenna Coupler, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
Key specifications for 5985-00-981-6491: FSC Application Data: ANTENNAS,WAVEGUIDES,ANDRELATED EQUIPMENT; Mounting Facility Quantity: 4; Mounting Method: UNTHREADED HOLE(S); Mounting Hole Diameter: 0.182 INCHES NOMINAL IN. 7 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 5985-00-981-6491 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.