The Mixer Stage,frequency, cataloged under National Stock Number 6625-00-166-7935, 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 Northrop Grumman Systems Corporation. Government technical data includes 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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. Unit of issue: EA.
| Parameter | Value |
|---|---|
| NSN | 6625-00-166-7935 |
| Primary Part Number | GD821H1 |
| Item Name | Mixer Stage,frequency |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Circuit Construction Type | SOLID STATE |
| Inclosure Type | ENCASED |
| Control Type | LOCAL |
| Frequency Per Channel | 10.0 MEGAHERTZ MINIMUM OPERATING CHANNEL AND 3500.0 MEGAHERTZ MAXIMUM OPERATING CHANNEL |
| Connection Type | AUDIO RECEPTACLE LEFT SIDE |
| Connection Type | TERMINAL BLOCK W/SCREW RIGHT SIDE |
| Connection Contact Type and Quantity | 2 RECEPTACLE, COAXIAL EXTERNAL |
| Operating Control Method | AUTOMATIC |
| Basic Shape Style | RECTANGULAR OR SQUARE |
| Average Life Measurement | NOT RATED |
| Environmental Protection | DUSTPROOF |
| Attenuation in Decibels | 40.0 |
| Installation Design | MODULE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Shelf Life Code | 0 |
| Criticality Code | X |
| Unit of Issue | EA |
| Acquisition advice code | JN |
| Weight | 1.3500 lbs |
| Cube | 0.0073 cu ft |
| Part Number | Manufacturer |
|---|---|
| GD821H1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 63N50 | 5/9 Secondary reference Wiltron Co |
NSN 6625-00-166-7935 is a Mixer Stage,frequency, manufactured by Northrop Grumman Systems Corporation, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-00-166-7935 has 1 manufacturer part number on file: GD821H1 (Northrop Grumman Systems Corporation).
Key specifications for GD821H1: Circuit Construction Type: SOLID STATE; Overall Height: 0.875 INCHES NOMINAL IN; Inclosure Type: ENCASED; Control Type: LOCAL. 13 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 6625-00-166-7935 has DEMIL Code B. 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.