The Chart, cataloged under National Stock Number 7640-00-227-1474, is classified within Federal Supply Class 7640 (Maps, Atlases, Charts, and Globes) of the Books, Maps, and Other Publications group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple. Government technical data includes 5 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 7640-00-227-1474 |
| Primary Part Number | 92B883 |
| Item Name | Chart |
| FSC / FSG | 7640 / 76 — Maps, Atlases, Charts, and Globes |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple |
| Status | ACTIVE |
| Author | SIG ENGINEERING LABORATORIES |
| Length | 7.812 INCHES NOMINAL IN |
| Document Title | TUNING CHART OF RADIO TRANSMITTER BC-610,FOR TUNING UNIT TU-49,FREQUENCY RANGE 3.2-4.0 MC APPROXIMATE DIAL SETTINGS,TUNING CHART OF RADIO TRANSMITTER BC 610,FOR TUNING UNIT TU-50,FREQUENCY RANGE 4.0-5.0 MC APPROIMATE DIAL SETTINGS |
| Width | 5.688 INCHES NOMINAL IN |
| Material | PAPER AND PLASTIC |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 92B883 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple (USA) |
| Reference | Meaning |
|---|---|
| SC-C-23851PT1-2 | 5/2 Secondary reference U.S. Government activity |
| SC-C-23851 | 3/2 Design control — primary reference U.S. Government activity |
NSN 7640-00-227-1474 is a Chart, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple, classified under FSC 7640, Maps, Atlases, Charts, and Globes. Status: active.
NSN 7640-00-227-1474 has 1 manufacturer part number on file: 92B883 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Multiple).
Key specifications for 92B883: Author: SIG ENGINEERING LABORATORIES; Length: 7.812 INCHES NOMINAL IN; Document Title: TUNING CHART OF RADIO TRANSMITTER BC-610,FOR TUNING UNIT TU-49,FREQUENCY RANGE 3.2-4.0 MC APPROXIMATE DIAL SETTINGS,TUNING CHART OF RADIO TRANSMITTER BC 610,FOR TUNING UNIT TU-50,FREQUENCY RANGE 4.0-5.0 MC APPROIMATE DIAL SETTINGS; Width: 5.688 INCHES NOMINAL IN. 5 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.
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.