NSN 6685-01-683-4742 · NIIN 016834742 · Part number 377-3044
Caterpillar Inc Div Caterpillar Defense · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 11083
Government record, cited
NSN 6685-01-683-4742 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-683-4742. Manufacturer of record part number: 377-3044.
Also searched as6685-01-683-4742 ·
6685016834742 ·
NIIN 016834742 ·
01-683-4742 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 11083 · 377-3044
Manufacturer of record: Caterpillar Inc Div Caterpillar Defense
Identification
NSN: 6685-01-683-4742
NIIN: 016834742
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 377-3044
Manufacturer: Caterpillar Inc Div Caterpillar Defense
General Description
The Thermostat,flow Control, cataloged under National Stock Number 6685-01-683-4742, 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 Caterpillar Inc Div Caterpillar Defense. Government technical data includes 3 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
6685-01-683-4742
Primary Part Number
377-3044
Item Name
Thermostat,flow Control
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Caterpillar Inc Div Caterpillar Defense
Status
ACTIVE
Flow Control Device
ANY ACCEPTABLE
Operating Temp Rating
205.0 FAHRENHEIT NOMINAL DEGF
Thermostat Type
ANY ACCEPTABLE
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 6685-01-683-4742?
NSN 6685-01-683-4742 is a Thermostat,flow Control, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-683-4742?
NSN 6685-01-683-4742 has 1 manufacturer part number on file: 377-3044 (Caterpillar Inc Div Caterpillar Defense).
What are the specifications of 377-3044?
Key specifications for 377-3044: Flow Control Device: ANY ACCEPTABLE; Operating Temp Rating: 205.0 FAHRENHEIT NOMINAL DEGF; Thermostat Type: ANY ACCEPTABLE; Part Name Assigned by Controlling Agency: THERMOSTAT ASSEMBLY (JACKET WATER HEATER). 3 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-683-4742 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.