NSN 6240-01-078-1658 · NIIN 010781658 · Part number M34-85-7017
Thorn Lighting Ltd · FSC 6240 — Electric Lamps · FSG 62 — Lighting Fixtures and Lamps · CAGE K7679
Government record, cited
NSN 6240-01-078-1658 — this item is cataloged by the U.S. Government under National Stock Number 6240-01-078-1658. Manufacturer of record part number: M34-85-7017.
Also searched as6240-01-078-1658 ·
6240010781658 ·
NIIN 010781658 ·
01-078-1658 ·
FSC 6240 Electric Lamps · CAGE K7679 · M34-85-7017 · 014729 · M34
The Lamp,cartridge, cataloged under National Stock Number 6240-01-078-1658, is classified within Federal Supply Class 6240 (Electric Lamps) of the Lighting Fixtures and Lamps group. The manufacturer of record is Thorn Lighting Ltd. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 6 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6240-01-078-1658
Primary Part Number
M34-85-7017
Item Name
Lamp,cartridge
FSC / FSG
6240 / 62 — Electric Lamps
Manufacturer
Thorn Lighting Ltd
Status
ACTIVE
Base Style
WIRE LEADS, DOWN
Wire Lead Length
0.295 INCHES NOMINAL IN
Cartridge Style
NO LENS
Primary Lamp Type
INCANDESCENT
Wattage Rating
20.000 WATTS
Cartridge Overall Length
1.181 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Criticality Code
X
⇄Related Items6
Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.
5998-01-083-70761114-00-0008POSSIBLE MATCH
ELECTRONIC COMPONENTS ASSEMBLY
Possible match (shared part number)Wavetek Rf Products, Inc
5840-01-432-0699POSSIBLE MATCH
DISPLAY UNIT,RADAR
Possible match (shared part number)
5999-01-511-2727POSSIBLE MATCH
CONTACT,ELECTRICAL
Possible match (shared part number)
4235-01-528-0409POSSIBLE MATCH
SORBENT,OIL
Possible match (shared part number)
5999-01-576-9247014 729POSSIBLE MATCH
CONTACT,ELECTRICAL
Possible match (shared part number)Erni Components Inc
5999-01-615-0150014 729POSSIBLE MATCH
CONTACT,ELECTRICAL
Possible match (shared part number)Erni Components Inc
NSN 6240-01-078-1658 is a Lamp,cartridge, manufactured by Thorn Lighting Ltd, classified under FSC 6240, Electric Lamps. Status: active.
What part numbers are listed for NSN 6240-01-078-1658?
NSN 6240-01-078-1658 has 2 manufacturer part numbers on file: M34-85-7017 (Thorn Lighting Ltd), M34 (Microlamp Inc).
What NSN replaces 6240-01-078-1658?
6 possible matches (shared part number, not a government interchangeability claim): 5998-01-083-7076, 5840-01-432-0699, 5999-01-511-2727. Verify interchangeability with system specifications before substitution.
What are the specifications of M34-85-7017?
Key specifications for M34-85-7017: Base Style: WIRE LEADS, DOWN; Wire Lead Length: 0.295 INCHES NOMINAL IN; Cartridge Style: NO LENS; Primary Lamp Type: INCANDESCENT. 6 specifications are documented in the U.S. Government catalog.
Is NSN 6240-01-078-1658 hazardous material?
Possible hazard — SDS may be required (DLA HMIC P). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
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.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.