PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

837Lamp,mercury Vapor

Duro-Test Lighting · NSN 6240-00-097-0158 · FSC 6240 · No Item Name Available
Verified by PartsTable
NSN 6240-00-097-0158 — this item is cataloged by the U.S. Government under National Stock Number 6240-00-097-0158. Primary manufacturer part number: 837.
Features
  • Lamp,mercury Vapor — FSC 6240
  • Bulb Light Transmission Characteristic: TRANSPARENT
  • Rated Average Life: HOURS
  • Wattage Rating: 750.000 WATTS
  • Bulb Style: R (REFLECTOR)
  • Light Output Rating: 17650.000 LUMENS NOMINAL SINGLE RATING
  • Voltage Rating: 120.000 VOLTS NOMINAL
  • Base Style: MOGUL SCREW
Applications
  • Area illumination
  • Indicator and warning display
  • Navigation and signal lighting
General Description

The Lamp,mercury Vapor, cataloged under National Stock Number 6240-00-097-0158, is classified within Federal Supply Class 6240 (No Item Name Available) of the Lighting Fixtures and Lamps group. The primary manufacturer of record is Duro-Test Lighting. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6240-00-097-0158
Primary Part Number837
Item NameLamp,mercury Vapor
FSC / FSG6240 / 62 — No Item Name Available
ManufacturerDuro-Test Lighting
StatusACTIVE
Bulb Light Transmission CharacteristicTRANSPARENT
Rated Average LifeHOURS
Wattage Rating750.000 WATTS
Bulb StyleR (REFLECTOR)
Light Output Rating17650.000 LUMENS NOMINAL SINGLE RATING
Voltage Rating120.000 VOLTS NOMINAL
Base StyleMOGUL SCREW
Average Life Rating in Hours15000.0
Light Intensity Distribution FeatureREFLECTIVE BOWL
Emitted Light CharacteristicWHITE
Bulb DesignatorR-57
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3455-00-224-364010190 INTERCHANGEABLE
Cutter,milling,plain
Niagara Cutter Inc
4820-00-287-22991281C002-200 INTERCHANGEABLE
Valve,check
Milwaukee Valve Co, Inc Div Milwaukee Valve Company, Llc
4320-00-398-854310190 INTERCHANGEABLE
Cover,bearing Housing
Rps-Fl, Inc. Dba Rps Inc
7040-00-799-9519 INTERCHANGEABLE
Chain,tractor
2920-01-106-080643818 INTERCHANGEABLE
Generator,engine Accessory
Tiffin Parts, L.l.c. Div Subsidiary of Pettibone Corp.
5962-01-112-5224 INTERCHANGEABLE
Integrated Circuit
3120-01-125-19584915055 INTERCHANGEABLE
Bearing Half,sleeve
Kalmar AC Inc
6625-01-145-709410190 INTERCHANGEABLE
Meter,electrical Frequency
Disan Engineering Corp
4020-01-282-482610190 INTERCHANGEABLE
Cord,fibrous
Wellington Leisure Products Inc Engineered Products Div
6520-01-353-172610190 INTERCHANGEABLE
File,pulp Canal,dental
Moyco Industries Inc Union Broach Div
Cross-Reference Index
Part NumberManufacturer
837 PRIMARY Duro-Test Lighting (USA)
10190 Trojan, Inc. Dba Hytron Electric Products Div Div Dic Tool (USA)
837 Duro-Test Corp (USA)
Related Parts
3455-00-224-3640INTERCHANGEABLE
CUTTER,MILLING,PLAIN
10190
4820-00-287-2299INTERCHANGEABLE
VALVE,CHECK
1281C002-200
4320-00-398-8543INTERCHANGEABLE
COVER,BEARING HOUSING
10190
7040-00-799-9519INTERCHANGEABLE
CHAIN,TRACTOR
2920-01-106-0806INTERCHANGEABLE
GENERATOR,ENGINE ACCESSORY
43818
5962-01-112-5224INTERCHANGEABLE
INTEGRATED CIRCUIT
3120-01-125-1958INTERCHANGEABLE
BEARING HALF,SLEEVE
4915055
6625-01-145-7094INTERCHANGEABLE
METER,ELECTRICAL FREQUENCY
10190
4020-01-282-4826INTERCHANGEABLE
CORD,FIBROUS
10190
6520-01-353-1726INTERCHANGEABLE
FILE,PULP CANAL,DENTAL
10190
6515-01-378-1514INTERCHANGEABLE
SCREW,BONE
10190
5330-01-460-3558INTERCHANGEABLE
PARTS KIT,SEAL REPLACEMENT,MECHA
10190SP

Frequently Asked Questions

What is NSN 6240-00-097-0158?

NSN 6240-00-097-0158 is a Lamp,mercury Vapor, manufactured by Duro-Test Lighting, classified under FSC 6240 (No Item Name Available). Status: active.

What are the part numbers for NSN 6240-00-097-0158?

NSN 6240-00-097-0158 has 3 cross-referenced part numbers: 837 (Duro-Test Lighting), 10190 (Trojan, Inc. Dba Hytron Electric Products Div Div Dic Tool), 837 (Duro-Test Corp).

What NSN replaces 6240-00-097-0158?

There are 12 known substitutes for 6240-00-097-0158: 3455-00-224-3640, 4820-00-287-2299, 4320-00-398-8543 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 837?

Key specifications for 837: Bulb Light Transmission Characteristic: TRANSPARENT; Rated Average Life: HOURS; Wattage Rating: 750.000 WATTS; Bulb Style: R (REFLECTOR). 12 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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