The Attenuator,variable, cataloged under National Stock Number 5985-01-690-8986, 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 Engineering Systems Development Corp Dba ESD Corporation. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 — Antennas, Waveguides, and Related Equipment (FSG 59) |
| Manufacturers | Engineering Systems Development Corp Dba ESD Corporation (CAGE 3CKD3); Micross Components, Llc Dba Corfin Industries Llc (CAGE 0ZG10) |
| Parameter | Value |
|---|---|
| NSN | 5985-01-690-8986 |
| Primary Part Number | 561R945H02 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Engineering Systems Development Corp Dba ESD Corporation |
| Status | ACTIVE |
| 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 |
|---|---|
| 561R945H02 | Engineering Systems Development Corp Dba ESD Corporation (USA) |
| 561R945H02 | Micross Components, Llc Dba Corfin Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 561R945H02 | 3/2 Design control — primary reference U.S. Government activity |
| 561R945 | D/9 Drawing number reference only U.S. Government activity |
NSN 5985-01-690-8986 is a Attenuator,variable, manufactured by Engineering Systems Development Corp Dba ESD Corporation, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-690-8986 has 2 manufacturer part numbers on file: 561R945H02 (Engineering Systems Development Corp Dba ESD Corporation), 561R945H02 (Micross Components, Llc Dba Corfin Industries Llc).
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 5985-01-690-8986 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.