PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30549 PIECE 7Stem,fluid Valve

General Regulator Corp. Dba Accudriv · NSN 4820-01-185-6744 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-185-6744 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-185-6744. Primary manufacturer part number: 30549 PIECE 7.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Largest Outside Diameter: 0.185 INCHES NOMINAL IN
  • 4 verified cross-references
  • Primary manufacturer: General Regulator Corp. Dba Accudriv
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-185-6744, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is General Regulator Corp. Dba Accudriv. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references 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.

Technical Specifications
ParameterValue
NSN4820-01-185-6744
Primary Part Number30549 PIECE 7
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGeneral Regulator Corp. Dba Accudriv
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Largest Outside Diameter0.185 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-01-019-28911D9638-35172 INTERCHANGEABLE
Stem,fluid Valve
Fisher Controls Co Inc
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
4820-01-185-6769 INTERCHANGEABLE
Guide,valve Stem
4820-01-191-2684 INTERCHANGEABLE
Chamber,reset
4820-01-191-2685 INTERCHANGEABLE
Plate,retaining
Cross-Reference Index
Part NumberManufacturer
30549 PIECE 7 General Regulator Corp. Dba Accudriv (USA)
30549 General Regulator Corp. Dba Accudriv (USA)
X-85967-00 General Regulator Corp. Dba Accudriv (USA)
1D9638 General Regulator Corp. Dba Accudriv (USA)
Related Parts
4820-01-019-2891INTERCHANGEABLE
STEM,FLUID VALVE
1D9638-35172
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
4820-01-185-6769INTERCHANGEABLE
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 4820-01-185-6744?

NSN 4820-01-185-6744 is a Stem,fluid Valve, manufactured by General Regulator Corp. Dba Accudriv, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-185-6744?

NSN 4820-01-185-6744 has 4 cross-referenced part numbers: 30549 PIECE 7 (General Regulator Corp. Dba Accudriv), 30549 (General Regulator Corp. Dba Accudriv), X-85967-00 (General Regulator Corp. Dba Accudriv), 1D9638 (General Regulator Corp. Dba Accudriv).

What NSN replaces 4820-01-185-6744?

There are 12 known substitutes for 4820-01-185-6744: 4820-01-019-2891, 4820-01-118-8484, 5330-01-130-6589 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 30549 PIECE 7?

Key specifications for 30549 PIECE 7: Material: STEEL CORROSION RESISTING; Overall Length: 1.763 INCHES NOMINAL IN; Largest Outside Diameter: 0.185 INCHES NOMINAL IN. 3 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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