PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30193Guide,valve Stem

Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris · NSN 4820-01-539-3541 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-539-3541 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-539-3541. Primary manufacturer part number: 30193.
Features
  • Guide,valve Stem — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Specification/standard Data: 81346 - ASTM A479.SS PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
  • 2 verified cross-references
  • Primary manufacturer: Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-539-3541, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-539-3541
Primary Part Number30193
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCurtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Specification/standard Data81346 - ASTM A479.SS PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5940-00-156-711930193 INTERCHANGEABLE
Terminal,lug
Te Connectivity Corporation
5945-00-593-75903019-3 INTERCHANGEABLE
Relay,motor Driven
Se Relays Llc (magnecraft) Div Se Relays Llc (magnecraft)
3040-01-004-40643519-1 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
5930-01-315-366630193 INTERCHANGEABLE
Switch,push
Demetron Research Corp
4820-01-418-424930193 INTERCHANGEABLE
Disk and Seat Set,valve
Triumph Actuation Systems - Valencia, Inc. Dba Triumph Actuation Systems - Valencia Inc Div Triumph Actuation Systems-Val
Cross-Reference Index
Part NumberManufacturer
30193 PRIMARY Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
30216 ITEM 8 Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris (USA)
Related Parts
5940-00-156-7119INTERCHANGEABLE
TERMINAL,LUG
30193
5945-00-593-7590INTERCHANGEABLE
RELAY,MOTOR DRIVEN
3019-3
3040-01-004-4064INTERCHANGEABLE
CONNECTING LINK,RIGID
3519-1
5930-01-315-3666INTERCHANGEABLE
SWITCH,PUSH
30193
4820-01-418-4249INTERCHANGEABLE
DISK AND SEAT SET,VALVE
30193

Frequently Asked Questions

What is NSN 4820-01-539-3541?

NSN 4820-01-539-3541 is a Guide,valve Stem, manufactured by Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-539-3541?

NSN 4820-01-539-3541 has 2 cross-referenced part numbers: 30193 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris), 30216 ITEM 8 (Curtiss-Wright Flow Control Corporation Dba Farris Engineering Div Curtiss-Wright Valves Division- Farris).

What NSN replaces 4820-01-539-3541?

There are 5 known substitutes for 4820-01-539-3541: 5940-00-156-7119, 5945-00-593-7590, 3040-01-004-4064 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30193?

Key specifications for 30193: Material: STEEL CORROSION RESISTING; Part Name Assigned by Controlling Agency: GUIDE; Specification/standard Data: 81346 - ASTM A479.SS PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD; End Item Identification: 8500 RELIEF VALVE MODEL NO. 85DC22M-140; 4820-01-539-3542. 4 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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