PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45-1377RS-02B-200Gage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-822-6923 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-822-6923 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-822-6923. Primary manufacturer part number: 45-1377RS-02B-200.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Mounting Hole Diameter: 0.219 INCHES NOMINAL IN
  • Surface Treatment: ENAMEL CASE
  • Material: STEEL COMP 316 ACTUATING ELEMENT
  • Material Document and Classification: AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
  • Material: ALUMINUM AND STEEL CASE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Mounting Hole Quantity: 3
Applications
  • Applications requiring Steel Comp 316 Actuating Element construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-822-6923, 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 18 commercial cross-references from 11 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
NSN6685-00-822-6923
Primary Part Number45-1377RS-02B-200
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
Mounting Hole Diameter0.219 INCHES NOMINAL IN
Surface TreatmentENAMEL CASE
MaterialSTEEL COMP 316 ACTUATING ELEMENT
Material Document and ClassificationAISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT
MaterialALUMINUM AND STEEL CASE
MaterialGLASS PROTECTIVE CRYSTAL
Mounting Hole Quantity3
Bezel TypeHINGE
Pointer TypeINDICATING
Graduation Unit20.0 POUNDS PER SQUARE INCH LBS
Dial Size4-1/2 IN. DIA IN
Scale Range+0.0 TO 200.0 POUNDS PRESSURE PER SQUARE INCH LBS
Connection TypeEXTERNAL
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Size0.250 IN. NPT IN
Scale TypeSINGLE
Overall Diameter6.062 INCHES NOMINAL IN
Connection LocationLOWER BACK
Scale Accuracy1/2 PCT ENTIRE RANGE
Scale Smallest Increment2.0 POUNDS PER SQUARE INCH (PSI) LBS
Actuation TypeSINGLE BOURDON TUBE
AdjustabilityADJUSTABLE
Mounting MethodFLUSH
Scale NamePRESSURE
Connector Type VentNOT PROVIDED
Pointer ColorBLACK
Connection Quantity1
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
6685-00-054-3950F3D2H7A00034UAA INTERCHANGEABLE
Gage,pressure,dial Indicating
Bristol Babcock Inc Helicoid Instruments Div
6685-00-068-344445-1377AS-02B100 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-068-344645-1377BS02B600 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-123-2552 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-234-898260-1379AS-02B-600 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-411-2366 INTERCHANGEABLE
Gage,pressure,dial Indicating
6685-00-435-9267AA446PH4RW INTERCHANGEABLE
Gage,pressure,dial Indicating
Weksler Glass Thermometer Corp
6685-00-531-3938132550-1903 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-542-086645-1377SS02B600 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-542-1743 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
132021-4 Ametek, Inc. Div Aerospace & Defense (USA)
436103 Avtron Aerospace Inc (USA)
A12577-6 Basf Catalysts Llc (USA)
45-1377RS-02B-200 PRIMARY Ashcroft Inc Dba Heise (USA)
U51AA14-6PG2RW Weksler Glass Thermometer Corp (USA)
A00151-005 Moog Inc (USA)
AA0-41433 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
430R Bristol Babcock Inc Helicoid Instruments Div (USA)
U51AA14-6PH2RW Weksler Glass Thermometer Corp (USA)
45-1379BS02B200 Ashcroft Inc Dba Heise (USA)
1YBF03877ATA001 Desco Corp Marsh Bellofram Div (USA)
U51AA14-6PH4RW Weksler Glass Thermometer Corp (USA)
1913 Ametek, Inc. Div Aerospace & Defense (USA)
1639191PC2 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
176F33F Liftec Inc Div Liftec, Inc. (USA)
1377J Ashcroft Inc Dba Heise (USA)
AA346PH4RW Ashcroft Inc Dba Heise (USA)
1077A Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-054-3950INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
F3D2H7A00034UAA
6685-00-068-3444INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377AS-02B100
6685-00-068-3446INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377BS02B600
6685-00-123-2552INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-234-8982INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
60-1379AS-02B-600
6685-00-411-2366INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-435-9267INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA446PH4RW
6685-00-531-3938INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
132550-1903
6685-00-542-0866INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1377SS02B600
6685-00-542-1743INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-573-9212INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6685-00-585-8606INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
60-1377AS02BXT1100

Frequently Asked Questions

What is NSN 6685-00-822-6923?

NSN 6685-00-822-6923 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 6685-00-822-6923?

NSN 6685-00-822-6923 has 18 cross-referenced part numbers: 132021-4 (Ametek, Inc. Div Aerospace & Defense), 436103 (Avtron Aerospace Inc), A12577-6 (Basf Catalysts Llc), 45-1377RS-02B-200 (Ashcroft Inc Dba Heise), U51AA14-6PG2RW (Weksler Glass Thermometer Corp) and 13 more.

What NSN replaces 6685-00-822-6923?

There are 12 known substitutes for 6685-00-822-6923: 6685-00-054-3950, 6685-00-068-3444, 6685-00-068-3446 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45-1377RS-02B-200?

Key specifications for 45-1377RS-02B-200: Mounting Hole Diameter: 0.219 INCHES NOMINAL IN; Surface Treatment: ENAMEL CASE; Material: STEEL COMP 316 ACTUATING ELEMENT; Material Document and Classification: AISI 316 ASSN STD SINGLE MATERIAL RESPONSE ACTUATING ELEMENT. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-822-6923 still in active supply?

NSN 6685-00-822-6923 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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