The Printer,projection,photographic, cataloged under National Stock Number 6740-00-200-4351, is classified within Federal Supply Class 6740 (Photographic Developing and Finishing Equipment) of the Photographic Equipment group. The manufacturer of record is Joint Photographic Type Designation System. Government technical data includes 27 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 6740-00-200-4351 |
| Primary Part Number | EN-91B |
| Item Name | Printer,projection,photographic |
| FSC / FSG | 6740 / 67 — Photographic Developing and Finishing Equipment |
| Manufacturer | Joint Photographic Type Designation System |
| Status | ACTIVE |
| Adjustable Item | MANUALLY ADJUSTABLE FOCUSING;MANUALLY ADJUSTABLE PAPER BOARD;MANUALLY ADJUSTABLE VERTICAL AND HORIZONTAL POSITIONING |
| Actuation Method | TUMBLER SWITCH |
| Phase | SINGLE |
| Film Holder Type | CUT |
| Current Type | AC |
| Usage Design | DARKROOM |
| Lamp Wattage Rating in Watts | 75.0 |
| Maximum Length and Location | 17.000 INCHES PRINT IN |
| Design Type | HORIZONTAL OR VERTICAL |
| Lens Quantity | 2 |
| Automatic Exposure Control | NOT INCLUDED |
| Maximum Width and Location | 14.000 INCHES PRINT IN |
| Lamp Type | INCANDESCENT |
| Lens Speed for Which Designed | F/4.5 |
| Film Holder Size | 4 IN. BY 5 IN. IN |
| Material Type for Which Designed | CUT PAPER |
| Color Printing Feature | PROVIDED |
| Printer Type | STILL |
| Carrying Case | NOT PROVIDED |
| Frequency Rating | 60.0 HERTZ NOMINAL |
| Lens Focal Length | 2.000 INCHES MINIMUM AND 6.375 INCHES MAXIMUM IN |
| Diffusion/condenser System | DOUBLE CONDENSER LENS |
| Mounting Type | TABLE |
| Voltage Rating | 110.0 VOLTS NOMINAL |
| Operation Method | MANUAL |
| Furnished Items and Quantity | CUT OUT 1;LENS CAPS 2;RUBY FILTER1;VARIGRAM FILTER HOLDER W/5 VARIGRAM FILTER |
| Lamp Quantity | 1 |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | Possible hazard — SDS may be required (DLA HMIC P) |
| Criticality Code | N |
| Part Number | Manufacturer |
|---|---|
| EN-91B PRIMARY | Joint Photographic Type Designation System |
NSN 6740-00-200-4351 is a Printer,projection,photographic, manufactured by Joint Photographic Type Designation System, classified under FSC 6740, Photographic Developing and Finishing Equipment. Status: active.
NSN 6740-00-200-4351 has 1 manufacturer part number on file: EN-91B (Joint Photographic Type Designation System).
Key specifications for EN-91B: Adjustable Item: MANUALLY ADJUSTABLE FOCUSING;MANUALLY ADJUSTABLE PAPER BOARD;MANUALLY ADJUSTABLE VERTICAL AND HORIZONTAL POSITIONING; Actuation Method: TUMBLER SWITCH; Overall Height: 56.000 INCHES NOMINAL IN; Phase: SINGLE. 27 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.