NSN 6685-01-698-4905 · NIIN 016984905 · Part number HCS-501-50
Assay Technology Inc Dba Assay Technology · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 0T0W3
Government record, cited
NSN 6685-01-698-4905 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-698-4905. Manufacturer of record part number: HCS-501-50.
Also searched as6685-01-698-4905 ·
6685016984905 ·
NIIN 016984905 ·
01-698-4905 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 0T0W3 · HCS-501-50
The Control,humidity-Temperature Rec, cataloged under National Stock Number 6685-01-698-4905, 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 Assay Technology Inc Dba Assay Technology. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-698-4905
Primary Part Number
HCS-501-50
Item Name
Control,humidity-Temperature Rec
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Assay Technology Inc Dba Assay Technology
Status
ACTIVE
Maximum Overall Width
20.0 INCHES IN
Frequency in Hertz
60.0
Inclosure Type
ENCASED
Maximum Overall Length
20.0 INCHES IN
Maximum Overall Height
10.0 INCHES IN
Power Source
EXTERNAL
Operating Temp Range
+2.0 TO 35.0 CELSIUS DEGC
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 6685-01-698-4905?
NSN 6685-01-698-4905 is a Control,humidity-Temperature Rec, manufactured by Assay Technology Inc Dba Assay Technology, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-698-4905?
NSN 6685-01-698-4905 has 1 manufacturer part number on file: HCS-501-50 (Assay Technology Inc Dba Assay Technology).
What are the specifications of HCS-501-50?
Key specifications for HCS-501-50: Maximum Overall Width: 20.0 INCHES IN; Frequency in Hertz: 60.0; Inclosure Type: ENCASED; Maximum Overall Length: 20.0 INCHES IN. 7 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-698-4905 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.