NSN 6685-01-503-6420 · NIIN 015036420 · Part number A139M-2
Crane Carrier Company, Llc · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 03533
Government record, cited
NSN 6685-01-503-6420 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-503-6420. Manufacturer of record part number: A139M-2.
Also searched as6685-01-503-6420 ·
6685015036420 ·
NIIN 015036420 ·
01-503-6420 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 03533 · A139M-2
Manufacturer of record: Crane Carrier Company, Llc
Identification
NSN: 6685-01-503-6420
NIIN: 015036420
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: A139M-2
Manufacturer: Crane Carrier Company, Llc
General Description
The Thermostat,flow Control, cataloged under National Stock Number 6685-01-503-6420, 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 Crane Carrier Company, Llc. Government technical data includes 4 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
6685-01-503-6420
Primary Part Number
A139M-2
Item Name
Thermostat,flow Control
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Crane Carrier Company, Llc
Status
ACTIVE
Spring Operated Pressure Relief
NOT PROVIDED
Mounting Method
THREADED
Thermostat Type
ANY ACCEPTABLE
Usage Design
WATER TEMP CONTROL
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 6685-01-503-6420?
NSN 6685-01-503-6420 is a Thermostat,flow Control, manufactured by Crane Carrier Company, Llc, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-503-6420?
NSN 6685-01-503-6420 has 1 manufacturer part number on file: A139M-2 (Crane Carrier Company, Llc).
What are the specifications of A139M-2?
Key specifications for A139M-2: Spring Operated Pressure Relief: NOT PROVIDED; Mounting Method: THREADED; Thermostat Type: ANY ACCEPTABLE; End Item Identification: 2320014525579. 4 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-503-6420 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.