PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

77391-01Plug,bottom,valve

General Regulator Corp. Dba Accudriv · NSN 4820-01-185-6722 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-185-6722 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-185-6722. Primary manufacturer part number: 77391-01.
Features
  • Plug,bottom,valve — FSC 4820
  • General Characteristics Item Description: BRASS
  • 4 verified cross-references
  • Primary manufacturer: General Regulator Corp. Dba Accudriv
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Plug,bottom,valve, cataloged under National Stock Number 4820-01-185-6722, 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 1 verified specification, 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
NSN4820-01-185-6722
Primary Part Number77391-01
Item NamePlug,bottom,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerGeneral Regulator Corp. Dba Accudriv
StatusACTIVE
General Characteristics Item DescriptionBRASS
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
4820-01-185-6723 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
4820-01-202-0442 INTERCHANGEABLE
Cap,valve
Cross-Reference Index
Part NumberManufacturer
77391-01 General Regulator Corp. Dba Accudriv (USA)
1E4397 General Regulator Corp. Dba Accudriv (USA)
30549 General Regulator Corp. Dba Accudriv (USA)
30549 PIECE 10 General Regulator Corp. Dba Accudriv (USA)
Related Parts
4820-01-118-8484INTERCHANGEABLE
INNER VALVE
1E4567
5330-01-130-6589INTERCHANGEABLE
FELT,MECHANICAL,PREFORMED
4820-01-185-6721INTERCHANGEABLE
INNER VALVE ASSEMBLY
4820-01-185-6723INTERCHANGEABLE
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
5905-01-298-6421INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
30549

Frequently Asked Questions

What is NSN 4820-01-185-6722?

NSN 4820-01-185-6722 is a Plug,bottom,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 4820-01-185-6722?

NSN 4820-01-185-6722 has 4 cross-referenced part numbers: 77391-01 (General Regulator Corp. Dba Accudriv), 1E4397 (General Regulator Corp. Dba Accudriv), 30549 (General Regulator Corp. Dba Accudriv), 30549 PIECE 10 (General Regulator Corp. Dba Accudriv).

What NSN replaces 4820-01-185-6722?

There are 12 known substitutes for 4820-01-185-6722: 4820-01-118-8484, 5330-01-130-6589, 4820-01-185-6721 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 77391-01?

Key specifications for 77391-01: General Characteristics Item Description: BRASS. 1 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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