PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3-50AResistor,current Regulating

Amperite Co Inc · NSN 5905-00-549-1528 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-549-1528 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-549-1528. Primary manufacturer part number: 3-50A.
Features
  • Resistor,current Regulating — FSC 5905
  • Envelope Type Per Mil-E-1: ST-14 (4-9) PER SPEC MIL-E-1B
  • Base Type: OCTAL
  • Threshold Voltage in Volts: 48.0
  • Current Range in Amps: +0.27 TO 0.32
  • Resistive Element Pin Connection: 2 AND 7
  • Current Type: AC/DC
  • 1 verified cross-reference
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,current Regulating, cataloged under National Stock Number 5905-00-549-1528, 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 Amperite Co Inc. Government technical data includes 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5905-00-549-1528
Primary Part Number3-50A
Item NameResistor,current Regulating
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerAmperite Co Inc
StatusACTIVE
Envelope Type Per Mil-E-1ST-14 (4-9) PER SPEC MIL-E-1B
Base TypeOCTAL
Threshold Voltage in Volts48.0
Current Range in Amps+0.27 TO 0.32
Resistive Element Pin Connection2 AND 7
Current TypeAC/DC
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
3110-00-100-0210350A INTERCHANGEABLE
Cone and Rollers,tapered Roller
The Timken Corporation
5960-00-116-9958 INTERCHANGEABLE
Electron Tube
5985-00-449-3692350A INTERCHANGEABLE
Attenuator,variable
Keysight Technologies Inc
5910-00-615-9955 INTERCHANGEABLE
Capacitor,variable,air Dielectri
5935-00-702-4199 INTERCHANGEABLE
Jack,tip
6515-00-926-9201 INTERCHANGEABLE
Connector,tubing,straight
6625-01-018-5024350A INTERCHANGEABLE
Test Equipment,vibration
Unholtz-Dickie Corp
6645-01-155-3966030B00037 INTERCHANGEABLE
Timer,sequential
U S Dept of Transportation Federal Aviation Administration
6665-01-191-8963 INTERCHANGEABLE
Hose,extension,toxic Gas-Vapor S
6220-01-201-748514-012A INTERCHANGEABLE
Light,warning
Federal Signal Corporation
Cross-Reference Index
Part NumberManufacturer
3-50A PRIMARY Amperite Co Inc (USA)
Related Parts
3110-00-100-0210INTERCHANGEABLE
CONE AND ROLLERS,TAPERED ROLLER
350A
5960-00-116-9958INTERCHANGEABLE
ELECTRON TUBE
5985-00-449-3692INTERCHANGEABLE
ATTENUATOR,VARIABLE
350A
5910-00-615-9955INTERCHANGEABLE
CAPACITOR,VARIABLE,AIR DIELECTRI
5935-00-702-4199INTERCHANGEABLE
JACK,TIP
6515-00-926-9201INTERCHANGEABLE
CONNECTOR,TUBING,STRAIGHT
6625-01-018-5024INTERCHANGEABLE
TEST EQUIPMENT,VIBRATION
350A
6645-01-155-3966INTERCHANGEABLE
TIMER,SEQUENTIAL
030B00037
6665-01-191-8963INTERCHANGEABLE
HOSE,EXTENSION,TOXIC GAS-VAPOR S
6220-01-201-7485INTERCHANGEABLE
LIGHT,WARNING
14-012A
4910-01-408-3280INTERCHANGEABLE
TRUCK,LIFT,WHEEL
350A

Frequently Asked Questions

What is NSN 5905-00-549-1528?

NSN 5905-00-549-1528 is a Resistor,current Regulating, manufactured by Amperite Co Inc, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-549-1528?

NSN 5905-00-549-1528 has 1 cross-referenced part number: 3-50A (Amperite Co Inc).

What NSN replaces 5905-00-549-1528?

There are 11 known substitutes for 5905-00-549-1528: 3110-00-100-0210, 5960-00-116-9958, 5985-00-449-3692 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3-50A?

Key specifications for 3-50A: Envelope Type Per Mil-E-1: ST-14 (4-9) PER SPEC MIL-E-1B; Base Type: OCTAL; Threshold Voltage in Volts: 48.0; Current Range in Amps: +0.27 TO 0.32. 6 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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