PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45-1379A-02B-VACGage,vacuum,indicating

Ashcroft Inc Dba Heise · NSN 6685-00-815-1575 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-815-1575 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-815-1575. Primary manufacturer part number: 45-1379A-02B-VAC.
Features
  • Gage,vacuum,indicating — FSC 6685
  • Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED
  • Scale Smallest Increment: 0.2 POUNDS PER SQUARE INCH (PSI) LBS
  • Connector Type Vent: NOT PROVIDED
  • Connection Location: BACK, LOWER
  • Adjustability: ADJUSTABLE
  • Scale Inscription/background Color: BLACK FIGURES ON WHITE BACKGROUND
  • Bezel Type: THREAD
Applications
  • Applications requiring Aluminum Location Not Otherwise Specified construction
General Description

The Gage,vacuum,indicating, cataloged under National Stock Number 6685-00-815-1575, 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 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-815-1575
Primary Part Number45-1379A-02B-VAC
Item NameGage,vacuum,indicating
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerAshcroft Inc Dba Heise
StatusACTIVE
MaterialALUMINUM LOCATION NOT OTHERWISE SPECIFIED
Scale Smallest Increment0.2 POUNDS PER SQUARE INCH (PSI) LBS
Connector Type VentNOT PROVIDED
Connection LocationBACK, LOWER
AdjustabilityADJUSTABLE
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Bezel TypeTHREAD
MaterialALUMINUM CASE
Scale Range+0.0 TO 30.0 INCHES OF MERCURY IN
Pointer ColorBLACK
Actuation TypeSINGLE BOURDON TUBE
Dial Size4-1/2 IN. DIA IN
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
Scale TypeSINGLE
Connection Quantity1
Scale NameVACUUM
Scale Accuracy1/2 OF 1 PERCENT RATING ENTIRE RANGE
Mounting MethodPANEL
Connection Size0.250 IN. NPT DIA IN
MaterialPLASTIC ACRYLIC PROTECTIVE CRYSTAL
Surface TreatmentENAMEL LOCATION NOT OTHERWISE SPECIFIED
Surface TreatmentENAMEL CASE
Graduation Unit5.0 INCHES OF MERCURY IN
Pointer TypeINDICATING
Connection TypeEXTERNAL
Overall Diameter6.090 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
6685-00-019-0551155359 CL INTERCHANGEABLE
Gage,pressure,dial Indicating
Onyx Systems Inc
6685-00-019-0552155356 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6685-00-088-8285155212 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ametek, Inc. Div Aerospace & Defense
6625-00-089-5589MR13W128SPECR INTERCHANGEABLE
Meter,audio Level
Prime Technology Llc
5355-00-644-126410541657 INTERCHANGEABLE
Knob
Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate
6685-00-837-3522AA444PF4LW INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6685-00-910-697645-1379AS-02L-0/200 INTERCHANGEABLE
Gage,pressure,dial Indicating
Ashcroft Inc Dba Heise
6515-01-341-0424133010 INTERCHANGEABLE
Syringe,oral
B. Braun Medical Inc
5950-01-396-97081330-10 INTERCHANGEABLE
Coil,radio Frequency
American Precision Industries Inc.
Cross-Reference Index
Part NumberManufacturer
1901T Ametek, Inc. Div Aerospace & Defense (USA)
45-1379A-02B-VAC PRIMARY Ashcroft Inc Dba Heise (USA)
133010 PRIMARY Ametek, Inc. Div Aerospace & Defense (USA)
45-1379AV02B30VAC Ashcroft Inc Dba Heise (USA)
1801T Ametek, Inc. Div Aerospace & Defense (USA)
45-1220A02BX70AYN060LB Dresser, Inc. Dba Dresser Equipment Group Div Industrial Valve Operations, Dresse (USA)
45-1379AV02B30 Ashcroft Inc Dba Heise (USA)
Related Parts
6685-00-019-0551INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155359 CL
6685-00-019-0552INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155356
6685-00-088-8285INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
155212
6625-00-089-5589INTERCHANGEABLE
METER,AUDIO LEVEL
MR13W128SPECR
5355-00-644-1264INTERCHANGEABLE
KNOB
10541657
6685-00-837-3522INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
AA444PF4LW
6685-00-910-6976INTERCHANGEABLE
GAGE,PRESSURE,DIAL INDICATING
45-1379AS-02L-0/200
6515-01-341-0424INTERCHANGEABLE
SYRINGE,ORAL
133010
5950-01-396-9708INTERCHANGEABLE
COIL,RADIO FREQUENCY
1330-10

Frequently Asked Questions

What is NSN 6685-00-815-1575?

NSN 6685-00-815-1575 is a Gage,vacuum,indicating, manufactured by Ashcroft Inc Dba Heise, classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-815-1575?

NSN 6685-00-815-1575 has 7 cross-referenced part numbers: 1901T (Ametek, Inc. Div Aerospace & Defense), 45-1379A-02B-VAC (Ashcroft Inc Dba Heise), 133010 (Ametek, Inc. Div Aerospace & Defense), 45-1379AV02B30VAC (Ashcroft Inc Dba Heise), 1801T (Ametek, Inc. Div Aerospace & Defense) and 2 more.

What NSN replaces 6685-00-815-1575?

There are 9 known substitutes for 6685-00-815-1575: 6685-00-019-0551, 6685-00-019-0552, 6685-00-088-8285 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45-1379A-02B-VAC?

Key specifications for 45-1379A-02B-VAC: Overall Depth: 2.500 INCHES NOMINAL IN; Material: ALUMINUM LOCATION NOT OTHERWISE SPECIFIED; Scale Smallest Increment: 0.2 POUNDS PER SQUARE INCH (PSI) LBS; Connector Type Vent: NOT PROVIDED. 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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