PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40046Projector,transmissometer

Crouse-Hinds Co · NSN 6660-00-670-4846 · FSC 6660 · No Item Name Available
Verified by PartsTable
NSN 6660-00-670-4846 — this item is cataloged by the U.S. Government under National Stock Number 6660-00-670-4846. Primary manufacturer part number: 40046.
Features
  • Projector,transmissometer — FSC 6660
  • Maximum Overall Length: 28.375 INCHES IN
  • Maximum Overall Width: 13.000 INCHES IN
  • Maximum Overall Height: 16.250 INCHES IN
  • 6 verified cross-references
  • Primary manufacturer: Crouse-Hinds Co
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Projector,transmissometer, cataloged under National Stock Number 6660-00-670-4846, is classified within Federal Supply Class 6660 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Crouse-Hinds Co. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6660-00-670-4846
Primary Part Number40046
Item NameProjector,transmissometer
FSC / FSG6660 / 66 — No Item Name Available
ManufacturerCrouse-Hinds Co
StatusACTIVE
Maximum Overall Length28.375 INCHES IN
Maximum Overall Width13.000 INCHES IN
Maximum Overall Height16.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
3110-00-155-67750042890-4 INTERCHANGEABLE
Bearing,ball,annular
New Holland Construction
5310-00-274-8859119066 INTERCHANGEABLE
Nut,self-Locking,cap
Schwitzer Engine Components a Household Intl Co
4520-00-957-85354004-6 INTERCHANGEABLE
Heating Element,electrical,nonim
Randall Mfg. Co., Inc.
2990-01-147-6466102504 INTERCHANGEABLE
Muffler,exhaust
Arvin Industries Inc
8465-01-541-830640046 INTERCHANGEABLE
Hydration System
Camelbak Products, Llc Dba Camelbak
2640-01-564-384140046 INTERCHANGEABLE
Valve,pneumatic Tire
Hutchinson Industries, Inc Div Defense and Industry
5325-01-653-90244-0046 INTERCHANGEABLE
Insert,screw Thread
Namjet Llc
Cross-Reference Index
Part NumberManufacturer
40046 Crouse-Hinds Co (USA)
FA7862 Joint Electronics Type Designation System (USA)
710340-03 Edo (USA)
N140A300 National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems (USA)
40046 Mandzak Instrumentation Specialists Inc (USA)
ML461AGMQ10 Joint Electronics Type Designation System (USA)
Related Parts
3110-00-155-6775INTERCHANGEABLE
BEARING,BALL,ANNULAR
0042890-4
5310-00-274-8859INTERCHANGEABLE
NUT,SELF-LOCKING,CAP
119066
4520-00-957-8535INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
4004-6
2990-01-147-6466INTERCHANGEABLE
MUFFLER,EXHAUST
102504
8465-01-541-8306INTERCHANGEABLE
HYDRATION SYSTEM
40046
2640-01-564-3841INTERCHANGEABLE
VALVE,PNEUMATIC TIRE
40046
5325-01-653-9024INTERCHANGEABLE
INSERT,SCREW THREAD
4-0046

Frequently Asked Questions

What is NSN 6660-00-670-4846?

NSN 6660-00-670-4846 is a Projector,transmissometer, manufactured by Crouse-Hinds Co, classified under FSC 6660 (No Item Name Available). Status: active.

What are the part numbers for NSN 6660-00-670-4846?

NSN 6660-00-670-4846 has 6 cross-referenced part numbers: 40046 (Crouse-Hinds Co), FA7862 (Joint Electronics Type Designation System), 710340-03 (Edo), N140A300 (National Weather Service Dba National Weather Service Ohd1 Div Office of Operational Systems), 40046 (Mandzak Instrumentation Specialists Inc) and 1 more.

What NSN replaces 6660-00-670-4846?

There are 7 known substitutes for 6660-00-670-4846: 3110-00-155-6775, 5310-00-274-8859, 4520-00-957-8535 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40046?

Key specifications for 40046: Maximum Overall Length: 28.375 INCHES IN; Maximum Overall Width: 13.000 INCHES IN; Special Features: EMITS VISIBLE LIGHT ENERGY;ADJ PROJECTOR;OPERATING PWR 6VAC,60HZ,1PH;DESIGNED FOR PERMANENT INSTALLATION VAC; Maximum Overall Height: 16.250 INCHES IN. 4 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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