PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45-1377BS02B1000Gage,pressure,dial Indicating

Ashcroft Inc Dba Heise · NSN 6685-00-905-5601 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-905-5601 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-905-5601. Primary manufacturer part number: 45-1377BS02B1000.
Features
  • Gage,pressure,dial Indicating — FSC 6685
  • Material: GLASS PROTECTIVE CRYSTAL
  • Material: STEEL ALLOY ACTUATING ELEMENT
  • Material: ALUMINUM AND STEEL CASE
  • Scale Smallest Increment: 10.0 POUNDS LBS
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
  • Actuation Type: SINGLE BOURDON TUBE
  • Stud Location: PANEL MOUNTING PLATE
Applications
  • Applications requiring Glass Protective Crystal construction
General Description

The Gage,pressure,dial Indicating, cataloged under National Stock Number 6685-00-905-5601, 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 6 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6685-00-905-5601
Primary Part Number45-1377BS02B1000
Item NameGage,pressure,dial Indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusCANCELLED
MaterialGLASS PROTECTIVE CRYSTAL
MaterialSTEEL ALLOY ACTUATING ELEMENT
MaterialALUMINUM AND STEEL CASE
Scale Smallest Increment10.0 POUNDS LBS
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Actuation TypeSINGLE BOURDON TUBE
Stud LocationPANEL MOUNTING PLATE
Stud Quantity3
Scale TypeSINGLE
Connection TypeEXTERNAL
Graduation Unit100.0 POUNDS LBS
Bezel TypeHINGE
Scale NamePRESSURE
Pointer ColorBLACK
Connection Size1/4 IN. NPT IN
Bolt Circle Diameter5.375 INCHES NOMINAL IN
Scale Accuracy1/2 OF 1 PCT ENTIRE RANGE
Pointer TypeINDICATING
Mounting MethodFLUSH PANEL AND STUD(S)
AdjustabilityADJUSTABLE
Dial Size4-1/2 IN. DIA IN
Connection LocationLOWER BACK
Scale Range+0.000 TO 1000.000 POUNDS PRESSURE PER SQUARE INCH LBS
Connection Quantity1
Connector Type VentNOT PROVIDED
Overall Diameter6.063 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
6685-00-123-2552 INTERCHANGEABLE
Gage,pressure,dial Indicating
6625-00-421-8114 INTERCHANGEABLE
Generator,signal
Cross-Reference Index
Part NumberManufacturer
6503578 Aeroproducts Opns of Allison Div of General Motors Corp (USA)
45-1377B02BXPD1000 Ashcroft Inc Dba Heise (USA)
1077B Ashcroft Inc Dba Heise (USA)
1377B Ashcroft Inc Dba Heise (USA)
45-1377BS02B1000 PRIMARY Ashcroft Inc Dba Heise (USA)
6503578 General Motors Corp (USA)
Related Parts
6685-00-123-2552INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
6625-00-421-8114INTERCHANGEABLE
GENERATOR,SIGNAL

Frequently Asked Questions

What is NSN 6685-00-905-5601?

NSN 6685-00-905-5601 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 6685-00-905-5601?

NSN 6685-00-905-5601 has 6 cross-referenced part numbers: 6503578 (Aeroproducts Opns of Allison Div of General Motors Corp), 45-1377B02BXPD1000 (Ashcroft Inc Dba Heise), 1077B (Ashcroft Inc Dba Heise), 1377B (Ashcroft Inc Dba Heise), 45-1377BS02B1000 (Ashcroft Inc Dba Heise) and 1 more.

What NSN replaces 6685-00-905-5601?

There are 2 known substitutes for 6685-00-905-5601: 6685-00-123-2552, 6625-00-421-8114. Verify interchangeability with system specifications before substitution.

What are the specifications of 45-1377BS02B1000?

Key specifications for 45-1377BS02B1000: Material: GLASS PROTECTIVE CRYSTAL; Material: STEEL ALLOY ACTUATING ELEMENT; Material: ALUMINUM AND STEEL CASE; Scale Smallest Increment: 10.0 POUNDS LBS. 27 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6685-00-905-5601 still in active supply?

NSN 6685-00-905-5601 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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