The Attenuator,variable, cataloged under National Stock Number 5985-00-857-9873, 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 Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5985-00-857-9873 |
| Primary Part Number | 5426-40A |
| Item Name | Attenuator,variable |
| FSC / FSG | 5985 / 59 — Antennas, Waveguides, and Related Equipment |
| Manufacturer | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc |
| Status | ACTIVE |
| Mounting Facility Type and Quantity | 4 THREADED HOLE(S) |
| Frequency Range | 4.400 GIGAHERTZ MINIMUM AND 5.000 GIGAHERTZ MAXIMUM |
| Mounting Facility Pattern | FOUR POSITION RECTANGULAR |
| Center to Center Distance Between Mounting Facilities Parallel to Length | 1.500 INCHES NOMINAL IN |
| Overall Attenuation Range in Decibels | +0.0 TO 40.0 |
| Overall Attenuation Accuracy in Decibels | -0.50 TO 0.50 |
| Attenuation Variation Method | CONTINUOUS |
| Center to Center Distance Between Mounting Facilities Parallel to Width | 1.500 INCHES NOMINAL IN |
| Application Design | TRANSMISSION LINE |
| Power Rating | 10.0 WATTS AVERAGE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 5426-40A PRIMARY | Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc (USA) |
| Reference | Meaning |
|---|---|
| 378-0528-00 | 5/9 Secondary reference U.S. Government activity |
NSN 5985-00-857-9873 is a Attenuator,variable, manufactured by Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc, classified under FSC 5985, Antennas, Waveguides, and Related Equipment. Status: active.
NSN 5985-00-857-9873 has 1 manufacturer part number on file: 5426-40A (Antenna & Radome Research Associates Corp Dba Arra Inc Div Arra Inc).
Key specifications for 5426-40A: Mounting Facility Type and Quantity: 4 THREADED HOLE(S); Frequency Range: 4.400 GIGAHERTZ MINIMUM AND 5.000 GIGAHERTZ MAXIMUM; Mounting Facility Pattern: FOUR POSITION RECTANGULAR; Center to Center Distance Between Mounting Facilities Parallel to Length: 1.500 INCHES NOMINAL IN. 10 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.
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.