PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1-7309Resistor,variable,nonwire Wound,

Viasys Respiratory Care Inc. Dba Biosys Healthcare · NSN 5905-00-794-3895 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-794-3895 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-794-3895. Primary manufacturer part number: 1-7309.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • Reliability Indicator: NOT ESTABLISHED
  • Switch Current Type and Rating in Amps: 3.000 AC/DC
  • Body Diameter: 0.973 INCHES NOMINAL IN
  • Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION
  • Body Style: CYLINDRICAL BUSHING MOUNTED
  • Shaft Diameter: 0.250 INCHES NOMINAL IN
  • Ambient Temp in Deg Celsius Per Section at Full Rated Power: 70.0 SINGLE SECTION
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-00-794-3895, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Viasys Respiratory Care Inc. Dba Biosys Healthcare. Government technical data includes 30 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN5905-00-794-3895
Primary Part Number1-7309
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerViasys Respiratory Care Inc. Dba Biosys Healthcare
StatusCANCELLED
Reliability IndicatorNOT ESTABLISHED
Switch Current Type and Rating in Amps3.000 AC/DC
Body Diameter0.973 INCHES NOMINAL IN
Resistance Tolerance Per Section in Percent-20.0 TO 20.0 SINGLE SECTION
Body StyleCYLINDRICAL BUSHING MOUNTED
Shaft Diameter0.250 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Full Rated Power70.0 SINGLE SECTION
Device Design TypeNONTURN AT 9:00 OCLOCKUNABLE TO DECODE
Operating PositionSTART OF ROTATION
Switch Contact ArrangementSINGLE POLE, DOUBLE THROW, THREE POSITIONS MAINTAINED
Screw Thread Quantity Per Inch32.0
Screw Thread Series DesignatorUNEF
Nonturn Device Radius0.463 INCHES NOMINAL IN
Electrical Resistance Per Section12.0 MEGOHMS SINGLE SECTION
Screw Thread Diameter0.375 INCHES NOMINAL IN
Ambient Temp in Deg Celsius Per Section at Zero Percent Rated Power135.0 SINGLE SECTION
Actuator Travel Control FeatureSTOPS
Mounting MethodSTANDARD BUSHING
Features ProvidedSWITCH
Actuator TypeSINGLE SHAFT
Rotary Actuator Travel in Angular Deg250.0 NOMINAL
Section Quantity1
Effective Electrical Rotation in Deg Angular Rotation250.0 NOMINAL
Body Length0.449 INCHES MAXIMUM IN
Contact Arm Electrical Off PositionFULLY CW
Switch TypeROTARY
Power Dissipation Rating Per Section in Watts2.0 FREE AIR SINGLE SECTION
Mounting Bushing Length0.375 INCHES NOMINAL IN
Shaft StyleROUND
Terminal Type and Quantity6 TAB, SOLDER LUG
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 6
4730-00-186-9961AS5195W0402 INTERCHANGEABLE
Elbow,pipe to Tube
Sae International Dba Sae International
5345-00-187-3433 INTERCHANGEABLE
Disk,abrasive
4730-00-403-5649 INTERCHANGEABLE
Elbow,pipe to Tube
5315-00-828-982453A68A163 INTERCHANGEABLE
Pin,straight,threaded
Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier
4730-00-906-168117309 INTERCHANGEABLE
Adapter,straight,pipe to Tube
Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling
6515-01-586-5646866044 INTERCHANGEABLE
Monitor,patient Vital Signs
Philips North America Llc Dba Philips Healthcare
Cross-Reference Index
Part NumberManufacturer
1-7309 PRIMARY Viasys Respiratory Care Inc. Dba Biosys Healthcare (USA)
BA826-017 Crl Components Inc (USA)
Related Parts
4730-00-186-9961INTERCHANGEABLE
ELBOW,PIPE TO TUBE
AS5195W0402
5345-00-187-3433INTERCHANGEABLE
DISK,ABRASIVE
4730-00-403-5649INTERCHANGEABLE
ELBOW,PIPE TO TUBE
5315-00-828-9824INTERCHANGEABLE
PIN,STRAIGHT,THREADED
53A68A163
4730-00-906-1681INTERCHANGEABLE
ADAPTER,STRAIGHT,PIPE TO TUBE
17309
6515-01-586-5646INTERCHANGEABLE
MONITOR,PATIENT VITAL SIGNS
866044

Frequently Asked Questions

What is NSN 5905-00-794-3895?

NSN 5905-00-794-3895 is a Resistor,variable,nonwire Wound,, manufactured by Viasys Respiratory Care Inc. Dba Biosys Healthcare, classified under FSC 5905 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 5905-00-794-3895?

NSN 5905-00-794-3895 has 2 cross-referenced part numbers: 1-7309 (Viasys Respiratory Care Inc. Dba Biosys Healthcare), BA826-017 (Crl Components Inc).

What NSN replaces 5905-00-794-3895?

There are 6 known substitutes for 5905-00-794-3895: 4730-00-186-9961, 5345-00-187-3433, 4730-00-403-5649 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 1-7309?

Key specifications for 1-7309: Reliability Indicator: NOT ESTABLISHED; Switch Current Type and Rating in Amps: 3.000 AC/DC; Body Diameter: 0.973 INCHES NOMINAL IN; Resistance Tolerance Per Section in Percent: -20.0 TO 20.0 SINGLE SECTION. 30 total characteristics are documented in the Federal Logistics Information System.

Is NSN 5905-00-794-3895 still in active supply?

NSN 5905-00-794-3895 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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