NSN 6685-01-554-4140 · NIIN 015544140 · Part number 1903-15PSI
Ametek, Inc. Div Aerospace & Defense · FSC 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 61349
Government record, cited
NSN 6685-01-554-4140 — this item is cataloged by the U.S. Government under National Stock Number 6685-01-554-4140. Manufacturer of record part number: 1903-15PSI.
Also searched as6685-01-554-4140 ·
6685015544140 ·
NIIN 015544140 ·
01-554-4140 ·
FSC 6685 Pressure, Temperature, and Humidity Measuring and Controlling Instruments · CAGE 61349 · 1903-15PSI
Manufacturer of record: Ametek, Inc. Div Aerospace & Defense
Identification
NSN: 6685-01-554-4140
NIIN: 015544140
FSC: 6685 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 1903-15PSI
Manufacturer: Ametek, Inc. Div Aerospace & Defense
General Description
The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-01-554-4140, 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 Ametek, Inc. Div Aerospace & Defense. 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
6685-01-554-4140
Primary Part Number
1903-15PSI
Item Name
Gage,pressure,dial Indicating
FSC / FSG
6685 / 66 — Pressure, Temperature, and Humidity Measuring and Controlling Instruments
Manufacturer
Ametek, Inc. Div Aerospace & Defense
Status
ACTIVE
Scale Length
4.500 INCHES NOMINAL IN
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 6685-01-554-4140?
NSN 6685-01-554-4140 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685, Pressure, Temperature, and Humidity Measuring and Controlling Instruments. Status: active.
What part numbers are listed for NSN 6685-01-554-4140?
NSN 6685-01-554-4140 has 1 manufacturer part number on file: 1903-15PSI (Ametek, Inc. Div Aerospace & Defense).
What are the specifications of 1903-15PSI?
Key specifications for 1903-15PSI: Scale Length: 4.500 INCHES NOMINAL IN; Part Name Assigned by Controlling Agency: PROCESS GUAGE. 1 specification is documented in the U.S. Government catalog.
Is NSN 6685-01-554-4140 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.