NSN 6685-01-289-4549 · NIIN 012894549 · Part number 1804-205C/W LENS110-122 & 135
Land Instruments Intl Inc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 0AFR6
Government record, cited
NSN 6685-01-289-4549 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-289-4549. Manufacturer of record part number: 1804-205C/W LENS110-122 & 135.
Also searched as6685-01-289-4549 ·
6685012894549 ·
NIIN 012894549 ·
01-289-4549 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 0AFR6 · 1804-205C/W LENS110-122 & 135 · CYCLOPS 52
Nearby stock numbers← 6685-01-289-3710 Sensor with Cable Special
·
6685-01-289-4807 Gage, Pressure, Dial Indicating →
Features
Pyrometer,optical — FSC 6685
Style Designator: PORTABLE, HANDHELD
Case Type: CARRYING CASE W/HANDLE
Unit Type: DISAPPEARING FILAMENT
Scale Measurement Range: +1100.000 TO 5500.000 DEG FAHRENHEIT AND +600.000 TO 3000.000 DEG CELSIUS
Functional Description: A GENERAL LABORATORY INSTRUMENT USED IN THE EVALUATION AND TROUBLESHOOTING OF BLACKBODY SOURCES; GIVES A PRECISE DEFINITION OF THE TARGET SPOT TOGETHER WITH A DIGITAL DISPLAY OF THE TARGET TEMPERATURE IN THE VIEWFINDER
2 manufacturer part numbers on file
Manufacturer of record: Land Instruments Intl Inc
Identification
NSN: 6685-01-289-4549
NIIN: 012894549
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 1804-205C/W LENS110-122 & 135
Manufacturer: Land Instruments Intl Inc
General Description
The Pyrometer,optical, cataloged under National Stock Number 6685-01-289-4549, is classified within Federal Supply Class 6685 (Pressure, Temperature, and Humidity Measuring and Controlling Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Land Instruments Intl Inc. Government technical data includes 5 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. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-289-4549
Primary Part Number
1804-205C/W LENS110-122 & 135
Item Name
Pyrometer,optical
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Land Instruments Intl Inc
Status
ACTIVE
Style Designator
PORTABLE, HANDHELD
Case Type
CARRYING CASE W/HANDLE
Unit Type
DISAPPEARING FILAMENT
Scale Measurement Range
+1100.000 TO 5500.000 DEG FAHRENHEIT AND +600.000 TO 3000.000 DEG CELSIUS
Functional Description
A GENERAL LABORATORY INSTRUMENT USED IN THE EVALUATION AND TROUBLESHOOTING OF BLACKBODY SOURCES; GIVES A PRECISE DEFINITION OF THE TARGET SPOT TOGETHER WITH A DIGITAL DISPLAY OF THE TARGET TEMPERATURE IN THE VIEWFINDER
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Other items in FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
6685-00-001-1475
6685-00-001-1475 · Item name not on file
6685-00-001-1503
CONTROL,TOTALIZER
6685-00-001-1643
6685-00-001-1643 · Item name not on file
6685-00-001-1711
GAGE,PRESSURE,DIAL INDICATING
6685-00-001-2099
6685-00-001-2099 · Item name not on file
6685-00-001-2100
6685-00-001-2100 · Item name not on file
6685-00-001-2101
6685-00-001-2101 · Item name not on file
6685-00-001-2102
6685-00-001-2102 · Item name not on file
Frequently Asked Questions
What is NSN 6685-01-289-4549?
NSN 6685-01-289-4549 is a Pyrometer,optical, manufactured by Land Instruments Intl Inc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-289-4549?
NSN 6685-01-289-4549 has 2 manufacturer part numbers on file: 1804-205C/W LENS110-122 & 135 (Land Instruments Intl Inc), CYCLOPS 52 (Land Instruments Intl Inc).
What are the specifications of 1804-205C/W LENS110-122 & 135?
Key specifications for 1804-205C/W LENS110-122 & 135: Style Designator: PORTABLE, HANDHELD; Case Type: CARRYING CASE W/HANDLE; Unit Type: DISAPPEARING FILAMENT; Scale Measurement Range: +1100.000 TO 5500.000 DEG FAHRENHEIT AND +600.000 TO 3000.000 DEG CELSIUS. 5 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-289-4549 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.