The Oscillograph, cataloged under National Stock Number 6625-01-330-7359, 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 Graphtec America, Inc. Dba Graphtec America Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 6625-01-330-7359 |
| Primary Part Number | WR3320-1D |
| Item Name | Oscillograph |
| FSC / FSG | 6625 / 66 — Electrical and Electronic Properties Measuring and Testing Instruments |
| Manufacturer | Graphtec America, Inc. Dba Graphtec America Inc |
| Status | ACTIVE |
| Recording Method | INK CHART PAPER |
| Current Type | AC |
| Frequency Rating | 60.0 HERTZ NOMINAL INPUT |
| Chart Speed | 5.0 MILLIMETERS PER SECOND AND 10.0 MILLIMETERS PER SECOND AND 25.0 MILLIMETERS PER SECOND AND 50.0 MILLIMETERS PER SECOND AND 100.0 MILLIMETERS PER SECOND AND 250.0 MILLIMETERS PER SECOND AND 500.0 MILLIMETERS PER SECOND MM |
| Voltage Rating | 100.0 VOLTS MINIMUM AND 240.0 VOLTS MAXIMUM INPUT |
| 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 |
|---|---|
| WR3320-1D PRIMARY | Graphtec America, Inc. Dba Graphtec America Inc (USA) |
| Reference | Meaning |
|---|---|
| WR3310-1DL | 5/9 Secondary reference Graphtec America, Inc. Dba Graphtec America Inc |
| WR3101-1DL | 5/9 Secondary reference Graphtec America, Inc. Dba Graphtec America Inc |
NSN 6625-01-330-7359 is a Oscillograph, manufactured by Graphtec America, Inc. Dba Graphtec America Inc, classified under FSC 6625, Electrical and Electronic Properties Measuring and Testing Instruments. Status: active.
NSN 6625-01-330-7359 has 1 manufacturer part number on file: WR3320-1D (Graphtec America, Inc. Dba Graphtec America Inc).
Key specifications for WR3320-1D: Recording Method: INK CHART PAPER; Current Type: AC; Frequency Rating: 60.0 HERTZ NOMINAL INPUT; Chart Speed: 5.0 MILLIMETERS PER SECOND AND 10.0 MILLIMETERS PER SECOND AND 25.0 MILLIMETERS PER SECOND AND 50.0 MILLIMETERS PER SECOND AND 100.0 MILLIMETERS PER SECOND AND 250.0 MILLIMETERS PER SECOND AND 500.0 MILLIMETERS PER SECOND MM. 5 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.