PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

45BGage,compound Pressure-Vacuum,di

Liftec Inc Div Liftec, Inc. · NSN 6685-00-881-0795 · FSC 6685 · No Item Name Available
Verified by PartsTable
NSN 6685-00-881-0795 — this item is cataloged by the U.S. Government under National Stock Number 6685-00-881-0795. Primary manufacturer part number: 45B.
Features
  • Gage,compound Pressure-Vacuum,di — FSC 6685
  • Surface Treatment: ENAMEL
  • Material: PLASTIC PROTECTIVE CRYSTAL
  • Scale Name: PRESSURE AND VACUUM
  • Material: COPPER ALLOY 511 ACTUATING ELEMENT
  • Material: STEEL CASE
  • Pointer Type: INDICATING
  • Scale Type: MULTIPLE
Applications
  • Applications requiring Plastic Protective Crystal construction
General Description

The Gage,compound Pressure-Vacuum,di, cataloged under National Stock Number 6685-00-881-0795, is classified within Federal Supply Class 6685 (No Item Name Available) of the Instruments and Laboratory Equipment group. The primary manufacturer of record is Liftec Inc Div Liftec, Inc.. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6685-00-881-0795
Primary Part Number45B
Item NameGage,compound Pressure-Vacuum,di
FSC / FSG6685 / 66 — No Item Name Available
ManufacturerLiftec Inc Div Liftec, Inc.
StatusACTIVE
Surface TreatmentENAMEL
MaterialPLASTIC PROTECTIVE CRYSTAL
Scale NamePRESSURE AND VACUUM
MaterialCOPPER ALLOY 511 ACTUATING ELEMENT
MaterialSTEEL CASE
Pointer TypeINDICATING
Scale TypeMULTIPLE
Mounting MethodFLUSH PANEL
Actuation TypeSINGLE BOURDON TUBE
Scale Smallest Increment15.0 INCHES AND 10.0 POUNDS PER SQUARE INCH (PSI) LBS
Connection TypeEXTERNAL
Pointer ColorBLACK
Scale Inscription/background ColorBLACK FIGURES ON WHITE BACKGROUND
Connection Size0.250 IN. NPT DIA IN
Reference Number Differentiating CharacteristicsAS DIFFERENTIATED IN ACTUATING ELEMENT DATA,MULTIPLE READING SCALE,DIAL DATA,POINTER DATA,CASE DATA,AND CONNECTION DATA
Connection Quantity1
AdjustabilityNONADJUSTABLE
Bezel TypeCRIMP
Graduation Unit30.0 INCHES AND 30.0 POUNDS PER SQUARE INCH LBS
Scale Range+0.0 TO 30.0 INCHES OF MERCURY AND +0.0 TO 300.0 POUNDS PRESSURE PER SQUARE INCH LBS
Dial Size2-1/2 IN. DIA IN
Connection LocationBACK
Connector Type VentNOT PROVIDED
Scale Name for Which Pointer Is DesignedPRESSURE-VACUUM
Overall Diameter2.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6685-00-103-2853 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
5330-00-424-4624104 INTERCHANGEABLE
Retainer,packing
Air Products & Chemicals, Inc
6685-00-618-3519087896 INTERCHANGEABLE
Gage,compound Pressure-Vacuum,di
Ametek, Inc. Div Aerospace & Defense
1005-00-731-0362 INTERCHANGEABLE
Barrel Assembly
5961-01-173-270045B INTERCHANGEABLE
Transistor
Lucent Technologies Inc Corporate Headquarters
8010-01-702-9207 INTERCHANGEABLE
Paint,oil
Cross-Reference Index
Part NumberManufacturer
45B Liftec Inc Div Liftec, Inc. (USA)
B21060-20 Hdt Expeditionary Systems Inc (USA)
B21060-20 Keco Industries, Inc. (USA)
B21060-20 Drs Environmental Systems Inc (USA)
Related Parts
6685-00-103-2853INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
5330-00-424-4624INTERCHANGEABLE
RETAINER,PACKING
104
6685-00-618-3519INTERCHANGEABLE
GAGE,COMPOUND PRESSURE-VACUUM,DI
087896
1005-00-731-0362INTERCHANGEABLE
BARREL ASSEMBLY
5961-01-173-2700INTERCHANGEABLE
TRANSISTOR
45B
8010-01-702-9207INTERCHANGEABLE
PAINT,OIL

Frequently Asked Questions

What is NSN 6685-00-881-0795?

NSN 6685-00-881-0795 is a Gage,compound Pressure-Vacuum,di, manufactured by Liftec Inc Div Liftec, Inc., classified under FSC 6685 (No Item Name Available). Status: active.

What are the part numbers for NSN 6685-00-881-0795?

NSN 6685-00-881-0795 has 4 cross-referenced part numbers: 45B (Liftec Inc Div Liftec, Inc.), B21060-20 (Hdt Expeditionary Systems Inc), B21060-20 (Keco Industries, Inc.), B21060-20 (Drs Environmental Systems Inc).

What NSN replaces 6685-00-881-0795?

There are 6 known substitutes for 6685-00-881-0795: 6685-00-103-2853, 5330-00-424-4624, 6685-00-618-3519 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 45B?

Key specifications for 45B: Overall Depth: 2.000 INCHES NOMINAL IN; Surface Treatment: ENAMEL; Material: PLASTIC PROTECTIVE CRYSTAL; Scale Name: PRESSURE AND VACUUM. 26 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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