PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

451377AS02B 0/15Gage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-900-2655 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-900-2655 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-900-2655. Primary manufacturer part number: 451377AS02B 0/15.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Overall Diameter: 6.062 INCHES NOMINAL IN
  • Color: BLACK CASE
  • Material: ALUMINUM AND STEEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Surface Treatment: PAINT EPOXY CASE
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Bolt Circle Diameter: 5.375 INCHES NOMINAL IN
Applications
  • Applications requiring Aluminum and Steel Case construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-900-2655, 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 28 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-900-2655
Primary Part Number451377AS02B 0/15
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Overall Diameter6.062 INCHES NOMINAL IN
ColorBLACK CASE
MaterialALUMINUM AND STEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Surface TreatmentPAINT EPOXY CASE
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Connection LocationBACK
Connection TypeEXTERNAL
Stud Quantity3
Pointer TypeINDICATING
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Scale Smallest Increment0.25 POUNDS PER SQUARE INCH (PSI) LBS
Mounting MethodFLUSH PANEL AND STUD(S)
Connection Size0.250 IN. NPT IN
Graduation Unit1.0 POUNDS PER SQUARE INCH LBS
Connection Quantity1
Scale NamePRESSURE
Dial Size4-1/2 IN. DIA IN
Actuation TypeSINGLE BOURDON TUBE
Connector Type VentNOT PROVIDED
Stud LocationPANEL FLANGE
Scale Range+0.0 TO 15.0 POUNDS PRESSURE PER SQUARE INCH LBS
Scale TypeSINGLE
Bezel TypeHINGE
Pointer ColorBLACK
AdjustabilityADJUSTABLE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-066-1059 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-068-344445-1377AS-02B100 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-108-1108361-509-9006 INTERCHANGEABLE
Gage,pressure,dial Indicating
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5310-00-251-00881377A INTERCHANGEABLE
Nut,plain,hexagon
Mgm Brakes Inc Div Indian Head Industries Inc
6620-00-459-1622 INTERCHANGEABLE
Gauge,pressure
6685-00-531-340645-1377AS02B160 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-531-3938132550-1903 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-683-95914 1-2 103FMH1-4LBM60 INTERCHANGEABLE
Gage,pressure,dial Indicating
Bellofram Corporation
6685-00-783-4827 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-840-3766 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
AA14WPC4RW Weksler Glass Thermometer Corp (USA)
45-1377A02B15 Ashcroft Inc Dba Heise (USA)
900RRAH Weksler Glass Thermometer Corp (USA)
45-1377AS02BXSLP Ashcroft Inc Dba Heise (USA)
45-1377AS02BXSLPDSS0-1PSI Ashcroft Inc Dba Heise (USA)
1377A Ashcroft Inc Dba Heise (USA)
215-01366-4 Triumph Aerostructures, Llc Dba Triumph Aerostructures - Vought Integrated Programs Division (USA)
AA14WPC4RW Ashcroft Inc Dba Heise (USA)
1377A4 1-2 Ashcroft Inc Dba Heise (USA)
APN70-0-15PSI Ashcroft Inc Dba Heise (USA)
1377-0-15 Ashcroft Inc Dba Heise (USA)
1377A0-15PSIG Ashcroft Inc Dba Heise (USA)
451377AS02B 0/15 PRIMARY Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-066-1059INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-068-3444INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377AS-02B100
6685-00-108-1108INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
361-509-9006
5310-00-251-0088INTERCHANGEABLE
NUT,PLAIN,HEXAGON
1377A
6620-00-459-1622INTERCHANGEABLE
GAUGE,PRESSURE
6685-00-531-3406INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377AS02B160
6685-00-531-3938INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
132550-1903
6685-00-683-9591INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
4 1-2 103FMH1-4LBM60
6685-00-783-4827INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-840-3766INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-956-6396INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
60-1082SS-02B-XEY-0/15PSI
3460-01-149-0278INTERCHANGEABLE
WHEEL CONTACT DETECTOR
1377A

Frequently Asked Questions

What is NSN 6685-00-900-2655?

NSN 6685-00-900-2655 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 6685-00-900-2655?

NSN 6685-00-900-2655 has 13 cross-referenced part numbers: AA14WPC4RW (Weksler Glass Thermometer Corp), 45-1377A02B15 (Ashcroft Inc Dba Heise), 900RRAH (Weksler Glass Thermometer Corp), 45-1377AS02BXSLP (Ashcroft Inc Dba Heise), 45-1377AS02BXSLPDSS0-1PSI (Ashcroft Inc Dba Heise) and 8 more.

What NSN replaces 6685-00-900-2655?

There are 12 known substitutes for 6685-00-900-2655: 6685-00-066-1059, 6685-00-068-3444, 6685-00-108-1108 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 451377AS02B 0/15?

Key specifications for 451377AS02B 0/15: Overall Diameter: 6.062 INCHES NOMINAL IN; Color: BLACK CASE; Material: ALUMINUM AND STEEL CASE; Material: GLASS PROTECTIVE CRYSTAL. 29 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-900-2655 still in active supply?

NSN 6685-00-900-2655 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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