The Coupler,antenna, cataloged under National Stock Number 5985-01-604-1540, is classified within Federal Supply Class 5985 (Antennas, Waveguides, and Related Equipment) of the Electrical and Electronic Equipment Components group. The manufacturer of record is Sea Tel, Inc. Dba Cobham Satcom Div Cobham Satcom. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-604-1540 |
| Primary Part Number | 135890-1 |
| Item Name | Coupler,antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Sea Tel, Inc. Dba Cobham Satcom Div Cobham Satcom |
| Status | ACTIVE |
| Current Type | DC |
| Supplementary Features | RUGGED SHIELDED CASE; IDENTIFY PER SEATEL SPECIFICATION 122930 |
| Power Rating | 50.0 WATTS NOMINAL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL D — Destroy Item |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 135890-1 PRIMARY | Sea Tel, Inc. Dba Cobham Satcom Div Cobham Satcom (USA) |
NSN 5985-01-604-1540 is a Coupler,antenna, manufactured by Sea Tel, Inc. Dba Cobham Satcom Div Cobham Satcom, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-604-1540 has 1 manufacturer part number on file: 135890-1 (Sea Tel, Inc. Dba Cobham Satcom Div Cobham Satcom).
Key specifications for 135890-1: Overall Height: 22.35 MILLIMETERS NOMINAL MM; Current Type: DC; Supplementary Features: RUGGED SHIELDED CASE; IDENTIFY PER SEATEL SPECIFICATION 122930; Overall Width: 50.80 MILLIMETERS NOMINAL MM. 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 5985-01-604-1540 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.