The Control Assembly,quadrant, cataloged under National Stock Number 1680-01-595-7338, is classified within Federal Supply Class 1680 (Miscellaneous Aircraft Accessories and Components) of the Aircraft Components and Accessories group. The manufacturer of record is Crystal Group, Inc. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 1680-01-595-7338 |
| Primary Part Number | CMS-00371 |
| Item Name | Control Assembly,quadrant |
| FSC / FSG | 1680 / 16 — Miscellaneous Aircraft Accessories and Components |
| Manufacturer | Crystal Group, Inc |
| Status | ACTIVE |
| Voltage in Volts | 28.0 |
| Aircraft Location | COCKPIT |
| Material | ALUMINUM |
| Aircraft Mission Design Series | B-2 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL Q — CCL Item — Commerce Control List |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| CMS-00371 PRIMARY | Crystal Group, Inc (USA) |
| Reference | Meaning |
|---|---|
| TPL-00137 | 5/9 Secondary reference Crystal Group, Inc |
NSN 1680-01-595-7338 is a Control Assembly,quadrant, manufactured by Crystal Group, Inc, classified under FSC 1680, Miscellaneous Aircraft Accessories and Components. Status: active.
NSN 1680-01-595-7338 has 1 manufacturer part number on file: CMS-00371 (Crystal Group, Inc).
Key specifications for CMS-00371: Voltage in Volts: 28.0; Overall Width: 5.750 INCHES NOMINAL IN; Aircraft Location: COCKPIT; Part Name Assigned by Controlling Agency: ADAPTABLE COMMUNICATION SUITE (ACS) CONTROL PANEL. 4 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
NSN 1680-01-595-7338 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.