The Attenuator,variable, cataloged under National Stock Number 5985-01-267-7169, 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 Robinson Laboratories Inc Dba Herley New England. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-01-267-7169 |
| Primary Part Number | MP4090 |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Robinson Laboratories Inc Dba Herley New England |
| Status | ACTIVE |
| Terminal Type and Quantity | 2 CONNECTOR, COAXIAL, FEMALE |
| 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 |
|---|---|
| MP4090 PRIMARY | Robinson Laboratories Inc Dba Herley New England (USA) |
| 037-003499-001 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| AM7708-97 | 5/9 Secondary reference Skyworks Solutions, Inc. |
| KW02103-T-1 | 5/9 Secondary reference 3m Company Div Electro and Communications Business |
| 034-003499-001 | 5/9 Secondary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| KW02103-T-1 | 5/9 Secondary reference Minnesota Mining and Mfg Co 3m Company |
| KW02103-T-1 | C/1 Advisory reference — outside the item-of-supply concept 3m Company |
NSN 5985-01-267-7169 is a Attenuator,variable, manufactured by Robinson Laboratories Inc Dba Herley New England, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-01-267-7169 has 2 manufacturer part numbers on file: MP4090 (Robinson Laboratories Inc Dba Herley New England), 037-003499-001 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for MP4090: Special Features: 8BAND; End Item Identification: AN/ALQ-161; Terminal Type and Quantity: 2 CONNECTOR, COAXIAL, FEMALE. 1 specification is 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 5985-01-267-7169 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.