PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45-1377RTS04BXT10S5000Gage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-081-0064 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-081-0064 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-081-0064. Primary manufacturer part number: 45-1377RTS04BXT10S5000.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Stud Quantity: 3
  • Bezel Type: HINGE
  • Connector Type Vent: NOT PROVIDED
  • Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE
  • Material: GLASS PROTECTIVE CRYSTAL
  • Connection Location: BACK
  • FSC Application Data: GAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-081-0064, 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 26 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-081-0064
Primary Part Number45-1377RTS04BXT10S5000
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
Stud Quantity3
Bezel TypeHINGE
Connector Type VentNOT PROVIDED
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
MaterialGLASS PROTECTIVE CRYSTAL
Connection LocationBACK
FSC Application DataGAGE,PRESSURE,DIAL INDICATING,EXCEPT ENGINE
AdjustabilityADJUSTABLE
Actuation TypeSINGLE BOURDON TUBE
Scale TypeSINGLE
Scale Range+0.000 TO 5000.000 POUNDS PRESSURE PER SQUARE INCH LBS
Connection Quantity1
Scale NamePRESSURE
Scale Smallest Increment50.0 POUNDS LBS
Pointer TypeINDICATING
Pointer ColorBLACK
Graduation Unit500.0 POUNDS LBS
Dial Size4-1/2 IN. DIA IN
Connection Size1/2 IN. NPT IN
Overall Diameter6.062 INCHES NOMINAL IN
Mounting MethodFLUSH PANEL AND STUD(S)
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Stud LocationBEHIND FLANGE
MaterialSTEEL COMP 316 ACTUATING ELEMENT
MaterialALUMINUM AND STEEL CASE
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6685-00-726-483260-1377RTS04BXT1SA0S1500 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-893-6805 INTERCHANGEABLE
Gage,pressure,dial Indicating
Cross-Reference Index
Part NumberManufacturer
45-1377RTS04BXT10S5000 PRIMARY Ashcroft Inc Dba Heise (USA)
1377RTSXTDSM0S Ashcroft Inc Dba Heise (USA)
105B200P26 General Electric Company (USA)
Related Parts
6685-00-726-4832INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
60-1377RTS04BXT1SA0S1500
6685-00-893-6805INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING

Frequently Asked Questions

What is NSN 6685-00-081-0064?

NSN 6685-00-081-0064 is a Gage,pressure,dial Indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-081-0064?

NSN 6685-00-081-0064 has 3 cross-referenced part numbers: 45-1377RTS04BXT10S5000 (Ashcroft Inc Dba Heise), 1377RTSXTDSM0S (Ashcroft Inc Dba Heise), 105B200P26 (General Electric Company).

What NSN replaces 6685-00-081-0064?

There are 2 known substitutes for 6685-00-081-0064: 6685-00-726-4832, 6685-00-893-6805. Verify interchangeability with system specifications before substitution.

What are the specifications of 45-1377RTS04BXT10S5000?

Key specifications for 45-1377RTS04BXT10S5000: Stud Quantity: 3; Bezel Type: HINGE; Connector Type Vent: NOT PROVIDED; Scale Accuracy: 1/2 OF 1 PCT ENTIRE RANGE. 27 total characteristics are documented in the Federal Logistics Information System.

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