The Antenna, cataloged under National Stock Number 5985-01-126-2099, 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 Microwave Engineering Corporation. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 10 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-126-2099 |
| Primary Part Number | C390-188 |
| Item Name | Antenna |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Microwave Engineering Corporation |
| Status | ACTIVE |
| Mounting Hole Quantity | 4 |
| Beam Scanning Method | FIXED SINGLE ANTENNA ELEMENT |
| Terminal Type | CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT |
| Design Type | SPIRAL SINGLE ANTENNA ELEMENT |
| Overall Diameter | 3.030 INCHES NOMINAL IN |
| Mounting Method | UNTHREADED HOLE(S) |
| Radiation Pattern | OMNIDIRECTIONAL SINGLE ANTENNA ELEMENT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| SM-A-877051-1 | Microwave Engineering Corporation (USA) |
| C390-188 PRIMARY | Microwave Engineering Corporation (USA) |
| SM-A-877051-1 REV M | Edo Communications and Countermeasures Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| AS01505AR | 5/1 Secondary reference U.S. Government activity |
| SM-A-877051-1REVG | 5/9 Secondary reference Edo Communications and Countermeasures Systems Inc |
| SM-A-877051-1 REVJ | 5/9 Secondary reference U.S. Government activity |
| SM-A-877051-1 REV H | 5/9 Secondary reference Edo Communications and Countermeasures Systems Inc |
| AS-2892A/APR-39(V) | 5/2 Secondary reference U.S. Government activity |
| AM-440-1 | 5/1 Secondary reference Edo Communications and Countermeasures Systems Inc |
| SM-A-877051-1 REC H | 5/9 Secondary reference U.S. Government activity |
| SM-A-877051-1 REVK | 5/9 Secondary reference U.S. Government activity |
| SM-A-877051-1 | 3/2 Design control — primary reference U.S. Government activity |
| SM-A-877051-1REVG | 5/9 Secondary reference U.S. Government activity |
NSN 5985-01-126-2099 is a Antenna, manufactured by Microwave Engineering Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-126-2099 has 3 manufacturer part numbers on file: SM-A-877051-1 (Microwave Engineering Corporation), C390-188 (Microwave Engineering Corporation), SM-A-877051-1 REV M (Edo Communications and Countermeasures Systems Inc).
Key specifications for C390-188: Mounting Hole Quantity: 4; Beam Scanning Method: FIXED SINGLE ANTENNA ELEMENT; Terminal Type: CONNECTOR, RECEPTACLE SINGLE ANTENNA ELEMENT; Design Type: SPIRAL SINGLE ANTENNA ELEMENT. 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 5985-01-126-2099 has DEMIL Code Q. 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.