NSN 6685-01-536-5428 · NIIN 015365428 · Part number MHC661
Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 0VP52
Government record, cited
NSN 6685-01-536-5428 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-536-5428. Manufacturer of record part number: MHC661.
Also searched as6685-01-536-5428 ·
6685015365428 ·
NIIN 015365428 ·
01-536-5428 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 0VP52 · MHC661
Manufacturer of record: Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am
Identification
NSN: 6685-01-536-5428
NIIN: 015365428
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: MHC661
Manufacturer: Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am
General Description
The Indicator,pressure, cataloged under National Stock Number 6685-01-536-5428, 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 Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am. 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
6685-01-536-5428
Primary Part Number
MHC661
Item Name
Indicator,pressure
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am
Status
ACTIVE
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am (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 6685-01-536-5428?
NSN 6685-01-536-5428 is a Indicator,pressure, manufactured by Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-536-5428?
NSN 6685-01-536-5428 has 1 manufacturer part number on file: MHC661 (Fincantieri Marine Systems North America, Inc. Dba Fincantieri Marine Systems North Am).
What are the specifications of MHC661?
Key specifications for MHC661: Special Features: DIFFERENTIAL PRESSURE INDICATOR WITH ALARM CONTACT PRIMARY CARTRIDGE; End Item Identification: FILTER, FLUID. 0 specifications are documented in the U.S. Government catalog.
Is NSN 6685-01-536-5428 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.