The Mixer Stage,frequency, cataloged under National Stock Number 6625-01-221-1964, is classified within Federal Supply Class 6625 (Electrical and Electronic Properties Measuring and Testing Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Keysight Technologies Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-01-221-1964 |
| Primary Part Number | 11971A |
| Item Name | Mixer Stage,frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Keysight Technologies Inc |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Average Power Rating Per Channel | 100.0 MILLIWATTS INPUT |
| Frequency Per Channel | 26.5 GIGAHERTZ MINIMUM OPERATING CHANNEL AND 40.0 GIGAHERTZ MAXIMUM OPERATING CHANNEL |
| Criticality Code Justification | FEAT |
| Basic Shape Style | IRREGULAR |
| Average Life Measurement | NOT RATED |
| Installation Design | MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | Y |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 2.6000 lbs |
| Cube | 0.9460 cu ft |
| Part Number | Manufacturer |
|---|---|
| 11971A PRIMARY | Keysight Technologies Inc (USA) |
| Reference | Meaning |
|---|---|
| 11971A | 5/9 Secondary reference Hewlett-Packard Company Dba HP |
| 11971A | 3/9 Design control — primary reference Keysight Technologies, Inc. |
NSN 6625-01-221-1964 is a Mixer Stage,frequency, manufactured by Keysight Technologies Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-221-1964 has 1 manufacturer part number on file: 11971A (Keysight Technologies Inc).
Key specifications for 11971A: Circuit Construction Type: SOLID STATE; Overall Height: 1.400 INCHES NOMINAL IN; Inclosure Type: ENCASED; Average Power Rating Per Channel: 100.0 MILLIWATTS INPUT. 8 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.