PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

7840Safelight,darkroom,photographic

Spectronics Corporation · NSN 6525-00-612-7840 · FSC 6525 · No Item Name Available
Verified by PartsTable
NSN 6525-00-612-7840 — this item is cataloged by the U.S. Government under National Stock Number 6525-00-612-7840. Primary manufacturer part number: 7840.
Features
  • Safelight,darkroom,photographic — FSC 6525
  • Wiring Provision Method: CABLE ASSEMBLY
  • Lamp Base Type Accommodated: MEDIUM SCREW
  • Furnished Items and Quantity: 2 LAMP
  • Departure From Cited Document: AS MODIFIED BY LIGHT F(LTER AND SPECIAL FEATURES
  • Nondefinitive Spec/std Data: II TYPE AND 1 STYLE AND 2 STYLE
  • Mounting Method: BOLT
  • Voltage Rating in Volts: 115.0 AC NOMINAL
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Safelight,darkroom,photographic, cataloged under National Stock Number 6525-00-612-7840, is classified within Federal Supply Class 6525 (No Item Name Available) of the Medical, Dental, and Veterinary Equipment group. The primary manufacturer of record is Spectronics Corporation. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6525-00-612-7840
Primary Part Number7840
Item NameSafelight,darkroom,photographic
FSC / FSG6525 / 65 — No Item Name Available
ManufacturerSpectronics Corporation
StatusACTIVE
Wiring Provision MethodCABLE ASSEMBLY
Lamp Base Type AccommodatedMEDIUM SCREW
Furnished Items and Quantity2 LAMP
Departure From Cited DocumentAS MODIFIED BY LIGHT F(LTER AND SPECIAL FEATURES
Nondefinitive Spec/std DataII TYPE AND 1 STYLE AND 2 STYLE
Mounting MethodBOLT
Voltage Rating in Volts115.0 AC NOMINAL
Illumination Directing Device TypeDIFFUSING COVER GLASS
Lamp Type Accommodated and Quantity2 INCANDESCENT
Wiring Provision Length72.0 INCHES NOMINAL SINGLE PROVISION IN
Terminal Type and Quantity1 CONNECTOR, PLUG, EXTERNAL, 3 CONTACTS, 1 CONTACT U-SHAPED FOR GROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5960-00-061-0489 INTERCHANGEABLE
Electron Tube
6810-00-198-9394 INTERCHANGEABLE
Sodium Oxalate
6525-00-299-8495 INTERCHANGEABLE
Safelight,darkroom,photographic
6150-00-500-39249B6425 INTERCHANGEABLE
Bus,conductor
Caterpillar Inc Div Caterpillar Defense
6525-00-612-7825 INTERCHANGEABLE
Safelight,darkroom,photographic
5950-00-899-84059100-0098 INTERCHANGEABLE
Transformer,power
Keysight Technologies Inc
5330-00-901-5056 INTERCHANGEABLE
Packing,preformed
6515-01-065-8965 INTERCHANGEABLE
Transfer Set,intravenous Solutio
Cross-Reference Index
Part NumberManufacturer
7840 Spectronics Corporation (USA)
GGS86 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5960-00-061-0489INTERCHANGEABLE
ELECTRON TUBE
6810-00-198-9394INTERCHANGEABLE
SODIUM OXALATE
6525-00-299-8495INTERCHANGEABLE
SAFELIGHT,DARKROOM,PHOTOGRAPHIC
6150-00-500-3924INTERCHANGEABLE
BUS,CONDUCTOR
9B6425
6525-00-612-7825INTERCHANGEABLE
SAFELIGHT,DARKROOM,PHOTOGRAPHIC
5950-00-899-8405INTERCHANGEABLE
TRANSFORMER,POWER
9100-0098
5330-00-901-5056INTERCHANGEABLE
PACKING,PREFORMED
6515-01-065-8965INTERCHANGEABLE
TRANSFER SET,INTRAVENOUS SOLUTIO

Frequently Asked Questions

What is NSN 6525-00-612-7840?

NSN 6525-00-612-7840 is a Safelight,darkroom,photographic, manufactured by Spectronics Corporation, classified under FSC 6525 (No Item Name Available). Status: active.

What are the part numbers for NSN 6525-00-612-7840?

NSN 6525-00-612-7840 has 2 cross-referenced part numbers: 7840 (Spectronics Corporation), GGS86 (Federal Specifications Promulgated by General Services Administration Washington DC).

What NSN replaces 6525-00-612-7840?

There are 8 known substitutes for 6525-00-612-7840: 5960-00-061-0489, 6810-00-198-9394, 6525-00-299-8495 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 7840?

Key specifications for 7840: Overall Width: 6.750 INCHES NOMINAL IN; Wiring Provision Method: CABLE ASSEMBLY; Lamp Base Type Accommodated: MEDIUM SCREW; Furnished Items and Quantity: 2 LAMP. 16 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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