PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

T4181Gage,pressure,dial Indicating

Ametek Inc · NSN 6685-00-169-1663 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-169-1663 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-169-1663. Primary manufacturer part number: T4181.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Scale Name: PRESSURE
  • Scale Type: SINGLE
  • Scale Type: SINGLE
  • Scale Smallest Increment: 1.0 POUNDS PER SQUARE INCH (PSI) LBS
  • Adjustability: NONADJUSTABLE
  • Pointer Type: INDICATING
  • Pointer Color: BLACK
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-169-1663, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ametek Inc. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-169-1663
Primary Part NumberT4181
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek Inc
StatusACTIVE
Scale NamePRESSURE
Scale TypeSINGLE
Scale TypeSINGLE
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
AdjustabilityNONADJUSTABLE
Pointer TypeINDICATING
Pointer ColorBLACK
Scale Range+0.0 TO 160.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale Accuracy0.25 PCT OF FULL SCALE OR BETTER
Actuation TypeANY ACCEPTABLE
Scale NamePRESSURE
Graduation Unit5.0 POUNDS PER SQUARE INCH LBS
Scale Smallest Increment1.0 POUNDS PER SQUARE INCH (PSI) LBS
Connector Type VentNOT PROVIDED
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
Scale Inscription/background ColorBLACK FIGURES,WHITE BACKGROUND
Scale Accuracy0.25 PCT OF FULL SCALE OR BETTER
AdjustabilityNONADJUSTABLE
Scale Range+0.0 TO 160.0 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer ColorBLACK
Scale Inscription/background ColorBLACK FIGURES,WHITE BACKGROUND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
5950-01-244-8367717801524-001 INTERCHANGEABLE
Reactor
Lockheed Martin Corporation
Cross-Reference Index
Part NumberManufacturer
T4181 PRIMARY Ametek Inc (USA)
Related Parts
5950-01-244-8367INTERCHANGEABLE
REACTOR
717801524-001

Frequently Asked Questions

What is NSN 6685-00-169-1663?

NSN 6685-00-169-1663 is a Gage,pressure,dial Indicating, manufactured by Ametek Inc, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-169-1663?

NSN 6685-00-169-1663 has 1 cross-referenced part number: T4181 (Ametek Inc).

What NSN replaces 6685-00-169-1663?

There is 1 known substitute for 6685-00-169-1663: 5950-01-244-8367. Verify interchangeability with system specifications before substitution.

What are the specifications of T4181?

Key specifications for T4181: Scale Name: PRESSURE; Scale Type: SINGLE; Scale Type: SINGLE; Scale Smallest Increment: 1.0 POUNDS PER SQUARE INCH (PSI) LBS. 22 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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