PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30549Resistor,variable,nonwire Wound,

L & R Manufacturing Company · NSN 5905-01-298-6421 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-01-298-6421 — this item is cataloged by the U.S. Government under National Stock Number 5905-01-298-6421. Primary manufacturer part number: 30549.
Features
  • Resistor,variable,nonwire Wound, — FSC 5905
  • 1 verified cross-reference
  • Primary manufacturer: L & R Manufacturing Company
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,variable,nonwire Wound,, cataloged under National Stock Number 5905-01-298-6421, 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 L & R Manufacturing Company. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 — No Item Name Available (FSG 59)
ManufacturersL & R Manufacturing Company (CAGE 17656)
Technical Specifications
ParameterValue
NSN5905-01-298-6421
Primary Part Number30549
Item NameResistor,variable,nonwire Wound,
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerL & R Manufacturing Company
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-118-84841E4567 INTERCHANGEABLE
Inner Valve
Fisher Controls Co Inc
5330-01-130-6589 INTERCHANGEABLE
Felt,mechanical,preformed
4820-01-185-6721 INTERCHANGEABLE
Inner Valve Assembly
4820-01-185-6722 INTERCHANGEABLE
Plug,bottom,valve
4820-01-185-6723 INTERCHANGEABLE
Adjusting Screw,valve
4820-01-185-6724 INTERCHANGEABLE
Screen,vent,valve
4820-01-185-6744 INTERCHANGEABLE
Stem,fluid Valve
4820-01-185-6769 INTERCHANGEABLE
Guide,valve Stem
4820-01-191-2684 INTERCHANGEABLE
Chamber,reset
4820-01-191-2685 INTERCHANGEABLE
Plate,retaining
Cross-Reference Index
Part NumberManufacturer
30549 PRIMARY L & R Manufacturing Company (USA)
Related Parts
4820-01-118-8484INTERCHANGEABLE
INNER VALVE
1E4567
5330-01-130-6589INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
4820-01-185-6721INTERCHANGEABLE
INNER VALVE ASSEMBLY
4820-01-185-6722INTERCHANGEABLE
PLUG,BOTTOM,VALVE
4820-01-185-6723INTERCHANGEABLE
ADJUSTING SCREW,VALVE
4820-01-185-6724INTERCHANGEABLE
SCREEN,VENT,VALVE
4820-01-185-6744INTERCHANGEABLE
STEM,FLUID VALVE
4820-01-185-6769INTERCHANGEABLE
GUIDE,VALVE STEM
4820-01-191-2684INTERCHANGEABLE
CHAMBER,RESET
4820-01-191-2685INTERCHANGEABLE
PLATE,RETAINING
4820-01-202-0442INTERCHANGEABLE
CAP,VALVE
4820-01-230-3697INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
167DA-85/CB

Frequently Asked Questions

What is NSN 5905-01-298-6421?

NSN 5905-01-298-6421 is a Resistor,variable,nonwire Wound,, manufactured by L & R Manufacturing Company, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-01-298-6421?

NSN 5905-01-298-6421 has 1 cross-referenced part number: 30549 (L & R Manufacturing Company).

What NSN replaces 5905-01-298-6421?

There are 12 known substitutes for 5905-01-298-6421: 4820-01-118-8484, 5330-01-130-6589, 4820-01-185-6721 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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