NSN 6685-01-455-2404 · NIIN 014552404 · Part number 3537-RS12
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 41387
Government record, cited
NSN 6685-01-455-2404 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-455-2404. Manufacturer of record part number: 3537-RS12.
Also searched as6685-01-455-2404 ·
6685014552404 ·
NIIN 014552404 ·
01-455-2404 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 41387 · 3537-RS12 · 3537-1-N
General Characteristics Item Description: DIRECT DERIVATIVE ACTION FOR TEMPERATURE MEASUREMENT AND CONTROLS; 3 TO15 PSIG FOR INPUT AND OUTPUT; 20 PSIG FOR SUPPLY; 100 PSIG MAX. OVERLOAD PROTECTION TO ANY CONNECTION; 0.3 PSIG WITH 20 PSIG SUPPLY MINIMUM OUTPUT PRESSURE; M40 DEG TO 180 DEG AMBIENT TEMPERATURE; DERIVATIVE GAIN 6:1
3 manufacturer part numbers on file
Manufacturer of record: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Identification
NSN: 6685-01-455-2404
NIIN: 014552404
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 3537-RS12
Manufacturer: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
General Description
The Nullmatic Derivative Unit, cataloged under National Stock Number 6685-01-455-2404, 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 Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Technical Specifications
Parameter
Value
NSN
6685-01-455-2404
Primary Part Number
3537-RS12
Item Name
Nullmatic Derivative Unit
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
Status
ACTIVE
General Characteristics Item Description
DIRECT DERIVATIVE ACTION FOR TEMPERATURE MEASUREMENT AND CONTROLS; 3 TO15 PSIG FOR INPUT AND OUTPUT; 20 PSIG FOR SUPPLY; 100 PSIG MAX. OVERLOAD PROTECTION TO ANY CONNECTION; 0.3 PSIG WITH 20 PSIG SUPPLY MINIMUM OUTPUT PRESSURE; M40 DEG TO 180 DEG AMBIENT TEMPERATURE; DERIVATIVE GAIN 6:1
Lifecycle & Compliance
Acquisition Status
ACTIVE
DEMIL Code
DEMIL A — No Demilitarization Required
Hazard
Possible hazard — SDS may be required (DLA HMIC P)
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (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
GAGE,VACUUM,INDICATING
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
Related Parts in Instruments and Laboratory Equipment
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
460R-K MONEL
6685-00-001-2099
GAGE,VACUUM,INDICATING
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 6685-01-455-2404?
NSN 6685-01-455-2404 is a Nullmatic Derivative Unit, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-455-2404?
NSN 6685-01-455-2404 has 3 manufacturer part numbers on file: 3537-RS12 (Siemens Moore Process Automation), 3537-1-N (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 3537-RS12 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
What are the specifications of 3537-RS12?
Key specifications for 3537-RS12: General Characteristics Item Description: DIRECT DERIVATIVE ACTION FOR TEMPERATURE MEASUREMENT AND CONTROLS; 3 TO15 PSIG FOR INPUT AND OUTPUT; 20 PSIG FOR SUPPLY; 100 PSIG MAX. OVERLOAD PROTECTION TO ANY CONNECTION; 0.3 PSIG WITH 20 PSIG SUPPLY MINIMUM OUTPUT PRESSURE; M40 DEG TO 180 DEG AMBIENT TEMPERATURE; DERIVATIVE GAIN 6:1. 1 specification is documented in the U.S. Government catalog.
Is NSN 6685-01-455-2404 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.