PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

UA20N4L15PSLGage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-315-5195 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-315-5195 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-315-5195. Primary manufacturer part number: UA20N4L15PSL.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 2.170 INCHES NOMINAL IN
  • Material: STEEL CASE
  • Surface Treatment: ENAMEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Scale Smallest Increment: 0.5 POUNDS PER SQUARE INCH (PSI) LBS
  • Scale Accuracy: 2 PCT RATING MIDDLE HALF OF RANGE,3 PCT REMAINDER
  • Connection Type: EXTERNAL
Applications
  • Applications requiring Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-315-5195, 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 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 7 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-315-5195
Primary Part NumberUA20N4L15PSL
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Overall Diameter2.170 INCHES NOMINAL IN
MaterialSTEEL CASE
Surface TreatmentENAMEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Scale Smallest Increment0.5 POUNDS PER SQUARE INCH (PSI) LBS
Scale Accuracy2 PCT RATING MIDDLE HALF OF RANGE,3 PCT REMAINDER
Connection TypeEXTERNAL
Mounting MethodRIGID STEM
Graduation Unit3.0 POUNDS PER SQUARE INCH LBS
Dial Size2 IN. DIA IN
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Quantity1
AdjustabilityNONADJUSTABLE
Scale NamePRESSURE
Scale TypeSINGLE
Scale Range+0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS
Pointer ColorBLACK
Pointer TypeINDICATING
Connection Size0.250 IN. NPT IN
Bezel TypeSNAP-ON
Connector Type VentNOT PROVIDED
Connection LocationBOTTOM
Actuation TypeSINGLE BOURDON TUBE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
ColorBLACK CASE
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 1
6685-00-514-368746648-0 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
Cross-Reference Index
Part NumberManufacturer
P500-2-1-4-0-15 Ametek, Inc. Div Aerospace & Defense (USA)
UA20N4L15PSL PRIMARY Ashcroft Inc Dba Heise (USA)
20-1000-02L15 Ashcroft Inc Dba Heise (USA)
FIG23 Liftec Inc Div Liftec, Inc. (USA)
P500 Ametek, Inc. Div Aerospace & Defense (USA)
100-ED8 Rhine Air, Inc (USA)
47615-0 Ametek, Inc. Div Aerospace & Defense (USA)
500S Ametek, Inc. Div Aerospace & Defense (USA)
1AAB03100AAA Desco Corp Marsh Bellofram Div (USA)
047615 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
1AAB03100AAA PRIMARY Bellofram Corporation (USA)
457461-500 Lockheed Martin Corp (USA)
UA20N4L 0-15 Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-514-3687INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
46648-0

Frequently Asked Questions

What is NSN 6685-00-315-5195?

NSN 6685-00-315-5195 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 6685-00-315-5195?

NSN 6685-00-315-5195 has 13 cross-referenced part numbers: P500-2-1-4-0-15 (Ametek, Inc. Div Aerospace & Defense), UA20N4L15PSL (Ashcroft Inc Dba Heise), 20-1000-02L15 (Ashcroft Inc Dba Heise), FIG23 (Liftec Inc Div Liftec, Inc.), P500 (Ametek, Inc. Div Aerospace & Defense) and 8 more.

What NSN replaces 6685-00-315-5195?

There is 1 known substitute for 6685-00-315-5195: 6685-00-514-3687. Verify interchangeability with system specifications before substitution.

What are the specifications of UA20N4L15PSL?

Key specifications for UA20N4L15PSL: Overall Depth: 1.100 INCHES NOMINAL IN; Overall Diameter: 2.170 INCHES NOMINAL IN; Material: STEEL CASE; Surface Treatment: ENAMEL CASE. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-315-5195 still in active supply?

NSN 6685-00-315-5195 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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