PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20-1005-P-01B-160Gage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-459-4593 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-459-4593 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-459-4593. Primary manufacturer part number: 20-1005-P-01B-160.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 2.190 INCHES NOMINAL IN
  • Material: PLASTIC CASE
  • Material: BRONZE ACTUATING ELEMENT
  • Actuation Type: SINGLE BOURDON TUBE
  • Pointer Color: BLACK
  • Scale Smallest Increment: 5.0 POUNDS LBS
  • Mounting Method: RIGID STEM
Applications
  • Applications requiring Plastic Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-459-4593, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Ashcroft Inc Dba Heise. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-459-4593
Primary Part Number20-1005-P-01B-160
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Overall Diameter2.190 INCHES NOMINAL IN
MaterialPLASTIC CASE
MaterialBRONZE ACTUATING ELEMENT
Actuation TypeSINGLE BOURDON TUBE
Pointer ColorBLACK
Scale Smallest Increment5.0 POUNDS LBS
Mounting MethodRIGID STEM
Connection LocationBACK
Connection Quantity1
Connection Size0.125 IN. NPT DIA IN
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Pointer TypeINDICATING
Connector Type VentNOT PROVIDED
Graduation Unit40.0 POUNDS LBS
Scale Accuracy2 PCT MIDDLE HALF OF RANGE,REMAINDER 3 PCT ACCURACY
Scale Range+0.000 TO 160.000 POUNDS PRESSURE PER SQUARE INCH LBS
Scale NamePRESSURE
AdjustabilityNONADJUSTABLE
Mounting Connection LocationBACK
Scale TypeSINGLE
Dial Size2 IN. DIA IN
Connection TypeEXTERNAL
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
MaterialPLASTIC PROTECTIVE CRYSTAL
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
6685-00-057-1404J0642J-001 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-250-5426 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-431-9581160662A INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
2805-01-035-8358388P INTERCHANGEABLE
Piston,internal Combustion Engin
Federal-Mogul Corp Government Sales Dept
6685-01-064-6516J1858 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6620-01-411-2295J0452A-002 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
Cross-Reference Index
Part NumberManufacturer
P563 Ametek, Inc. Div Aerospace & Defense (USA)
20-1005-P-01B-160 PRIMARY Ashcroft Inc Dba Heise (USA)
20-1003-018-160 Ashcroft Inc Dba Heise (USA)
P563-1-8CBM160 Ametek, Inc. Div Aerospace & Defense (USA)
535046-1 PRIMARY Raytheon Company Dba Raytheon (USA)
Z160P4A2023 PRIMARY Uniweld Products, Inc. Dba Uniweld Products Inc (USA)
1472-369 Heyman O W Co Inc (USA)
Related Parts
6685-00-057-1404INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J0642J-001
6685-00-250-5426INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-431-9581INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
160662A
2805-01-035-8358INTERCHANGEABLE
PISTON,INTERNAL COMBUSTION ENGIN
388P
6685-01-064-6516INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J1858
6620-01-411-2295INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
J0452A-002

Frequently Asked Questions

What is NSN 6685-00-459-4593?

NSN 6685-00-459-4593 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6685-00-459-4593?

NSN 6685-00-459-4593 has 7 cross-referenced part numbers: P563 (Ametek, Inc. Div Aerospace & Defense), 20-1005-P-01B-160 (Ashcroft Inc Dba Heise), 20-1003-018-160 (Ashcroft Inc Dba Heise), P563-1-8CBM160 (Ametek, Inc. Div Aerospace & Defense), 535046-1 (Raytheon Company Dba Raytheon) and 2 more.

What NSN replaces 6685-00-459-4593?

There are 6 known substitutes for 6685-00-459-4593: 6685-00-057-1404, 6685-00-250-5426, 6685-00-431-9581 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20-1005-P-01B-160?

Key specifications for 20-1005-P-01B-160: Overall Diameter: 2.190 INCHES NOMINAL IN; Material: PLASTIC CASE; Material: BRONZE ACTUATING ELEMENT; Actuation Type: SINGLE BOURDON TUBE. 25 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-459-4593 still in active supply?

NSN 6685-00-459-4593 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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