PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

161953Gage,pressure,dial Indicating

Ametek, Inc. Div Aerospace & Defense · NSN 6685-00-526-8390 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-526-8390 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-526-8390. Primary manufacturer part number: 161953.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: BRONZE ACTUATING ELEMENT
  • Material: COPPER ALLOY AND STEEL CASE
  • Surface Treatment: PAINT EPOXY CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Color: BLACK CASE
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
  • Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE
Applications
  • Applications requiring Bronze Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-526-8390, 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. Div Aerospace & Defense. Government technical data includes 27 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-526-8390
Primary Part Number161953
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAmetek, Inc. Div Aerospace & Defense
StatusCANCELLED
MaterialBRONZE ACTUATING ELEMENT
MaterialCOPPER ALLOY AND STEEL CASE
Surface TreatmentPAINT EPOXY CASE
MaterialGLASS PROTECTIVE CRYSTAL
ColorBLACK CASE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Usage DesignUSED FOR A TEST GAGE
Connector Type VentNOT PROVIDED
Scale Smallest Increment5.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection Size0.250 IN. NPT DIA IN
Mounting MethodRIGID STEM
AdjustabilityADJUSTABLE
Connection LocationBOTTOM
Connection TypeEXTERNAL
Actuation TypeSINGLE BOURDON TUBE
Bezel TypeTHREAD
Pointer TypeINDICATING
Connection Quantity1
Unable to DecodeUNABLE TO DECODE
Scale TypeSINGLE
Pointer ColorBLACK
Graduation Unit50.0 POUNDS PER SQUARE INCH LBS
Dial Size3 IN. DIA IN
Scale Range+0.0 TO 600.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale NamePRESSURE
Overall Diameter3.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 8
1620-00-093-9454 INTERCHANGEABLE
Roller,uplock
3455-00-279-865344584 INTERCHANGEABLE
Cutter Bit,tool Holder
Kennametal Inc. Div Kennametal Industrial Products Group
2805-00-740-2248 INTERCHANGEABLE
Insulator Inlet Elb
5845-00-878-085644584 INTERCHANGEABLE
Electronic Subassem
L3harris Technologies, Inc. Div Space and Airborne Systems
6920-00-980-907644583 INTERCHANGEABLE
Relay Driver
L3harris Technologies, Inc. Div Space and Airborne Systems
5965-01-006-7915 INTERCHANGEABLE
Loudspeaker,electromagnetic
5998-01-409-179944584 INTERCHANGEABLE
Circuit Card Assembly
Electro Impulse Laboratory Inc Dba Electro Impulse Inc
7520-01-519-43677520-00-NIB-1683 INTERCHANGEABLE
Pen,plastic Tip
National Industries for the Blind
Cross-Reference Index
Part NumberManufacturer
535788-1 Raytheon Company Dba Raytheon (USA)
1408 Ametek, Inc. Div Aerospace & Defense (USA)
1408-30-600 1-4 Ametek, Inc. Div Aerospace & Defense (USA)
44584 Ametek, Inc. Div Aerospace & Defense (USA)
044584 Ametek, Inc. Div Aerospace & Defense (USA)
161953 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
1408-3IN0-600 1-4LMC Ametek, Inc. Div Aerospace & Defense (USA)
Related Parts
1620-00-093-9454INTERCHANGEABLE
ROLLER,UPLOCK
3455-00-279-8653INTERCHANGEABLE
CUTTER BIT,TOOL HOLDER
44584
2805-00-740-2248INTERCHANGEABLE
INSULATOR INLET ELB
5845-00-878-0856INTERCHANGEABLE
ELECTRONIC SUBASSEM
44584
6920-00-980-9076INTERCHANGEABLE
RELAY DRIVER
44583
5965-01-006-7915INTERCHANGEABLE
LOUDSPEAKER,ELECTROMAGNETIC
5998-01-409-1799INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
44584
7520-01-519-4367INTERCHANGEABLE
PEN,PLASTIC TIP
7520-00-NIB-1683

Frequently Asked Questions

What is NSN 6685-00-526-8390?

NSN 6685-00-526-8390 is a Gage,pressure,dial Indicating, manufactured by Ametek, Inc. Div Aerospace & Defense, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-526-8390?

NSN 6685-00-526-8390 has 7 cross-referenced part numbers: 535788-1 (Raytheon Company Dba Raytheon), 1408 (Ametek, Inc. Div Aerospace & Defense), 1408-30-600 1-4 (Ametek, Inc. Div Aerospace & Defense), 44584 (Ametek, Inc. Div Aerospace & Defense), 044584 (Ametek, Inc. Div Aerospace & Defense) and 2 more.

What NSN replaces 6685-00-526-8390?

There are 8 known substitutes for 6685-00-526-8390: 1620-00-093-9454, 3455-00-279-8653, 2805-00-740-2248 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 161953?

Key specifications for 161953: Material: BRONZE ACTUATING ELEMENT; Material: COPPER ALLOY AND STEEL CASE; Surface Treatment: PAINT EPOXY CASE; Material: GLASS PROTECTIVE CRYSTAL. 28 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-526-8390 still in active supply?

NSN 6685-00-526-8390 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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