NSN 6685-01-684-6539 · NIIN 016846539 · Part number KSD301A-A-L L194F
Zettler Inc Zettler Systems Time and Sound Div · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 0YGP3
Government record, cited
NSN 6685-01-684-6539 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-684-6539. Manufacturer of record part number: KSD301A-A-L L194F.
Also searched as6685-01-684-6539 ·
6685016846539 ·
NIIN 016846539 ·
01-684-6539 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 0YGP3 · KSD301A-A-L L194F
Manufacturer of record: Zettler Inc Zettler Systems Time and Sound Div
Identification
NSN: 6685-01-684-6539
NIIN: 016846539
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: KSD301A-A-L L194F
Manufacturer: Zettler Inc Zettler Systems Time and Sound Div
General Description
The Thermostat,flow Control, cataloged under National Stock Number 6685-01-684-6539, 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 Zettler Inc Zettler Systems Time and Sound Div. Government technical data includes 1 specification, 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
6685-01-684-6539
Primary Part Number
KSD301A-A-L L194F
Item Name
Thermostat,flow Control
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Zettler Inc Zettler Systems Time and Sound Div
Status
ACTIVE
Thermostat Type
BIMETALLIC
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Zettler Inc Zettler Systems Time and Sound Div (USA)
No interchangeability data on file.
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 6685-01-684-6539?
NSN 6685-01-684-6539 is a Thermostat,flow Control, manufactured by Zettler Inc Zettler Systems Time and Sound Div, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-684-6539?
NSN 6685-01-684-6539 has 1 manufacturer part number on file: KSD301A-A-L L194F (Zettler Inc Zettler Systems Time and Sound Div).
What are the specifications of KSD301A-A-L L194F?
Key specifications for KSD301A-A-L L194F: Thermostat Type: BIMETALLIC; Special Features: 1/2 INCH BIMETAL TEMPERATURE CONTROLS;THERMOSTAT, SNAP ACTION, STYLE A314, OPEN 90C CLOSE 55C IN; Part Name Assigned by Controlling Agency: SNAP-ACTION THERMOSTAT. 1 specification is documented in the U.S. Government catalog.
Is NSN 6685-01-684-6539 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.