PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6790-014-127 1-4INStem,fluid Valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-066-9582 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-066-9582 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-066-9582. Primary manufacturer part number: A6790-014-127 1-4IN.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: NICKEL ALLOY
  • Valve Size for Which Designed: 0.250 INCHES IN
  • Valve Type for Which Designed: RELIEF
  • Stem Actuating End Type: ROUNDED AND SQUARE
  • Largest Outside Diameter: 0.500 INCHES NOMINAL IN
  • 10 verified cross-references
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-066-9582, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Emerson Automation Solutions Final Control Us Lp Div Navy Product Team. Government technical data includes 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 10 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-066-9582
Primary Part NumberA6790-014-127 1-4IN
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
MaterialNICKEL ALLOY
Valve Size for Which Designed0.250 INCHES IN
Valve Type for Which DesignedRELIEF
Stem Actuating End TypeROUNDED AND SQUARE
Largest Outside Diameter0.500 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 11
5935-00-343-7613 INTERCHANGEABLE
Plug,tip
2805-00-356-1346 INTERCHANGEABLE
Screw,adjustment
6520-00-431-415203743 INTERCHANGEABLE
Support,face Bow Bite Fork,denta
Whip-Mix Corp
5305-00-638-4244A85-85 INTERCHANGEABLE
Screw,shoulder
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5905-00-941-98081789810-4 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Honeywell Intl Inc Defense Avionics Systems
4820-01-067-5311A6790-021-127 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-01-093-34948585-16 INTERCHANGEABLE
Nut,union
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5950-01-159-7371 INTERCHANGEABLE
Coil,radio Frequency
4820-01-230-54868585 STOP CHECK 4IN INTERCHANGEABLE
Valve,globe
William E Williams Valve Corp
3120-01-327-89048585 INTERCHANGEABLE
Bearing,sleeve
Carlisle & Finch Co
Cross-Reference Index
Part NumberManufacturer
8585 Kunkle Industries Inc Lonergan Valve Div (USA)
8585 1-4INPC48 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A690.014.127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6790-014-127 1-4IN PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A6790-014-127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8585 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6790-014-127 1-4IN Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6790-023-127 1/4IN PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A6790-023-127 1/4IN Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8585 1-4INPC48 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5935-00-343-7613INTERCHANGEABLE
PLUG,TIP
2805-00-356-1346INTERCHANGEABLE
SCREW,ADJUSTMENT
6520-00-431-4152INTERCHANGEABLE
SUPPORT,FACE BOW BITE FORK,DENTA
03743
5305-00-638-4244INTERCHANGEABLE
SCREW,SHOULDER
A85-85
5905-00-941-9808INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
1789810-4
4820-01-067-5311INTERCHANGEABLE
STEM,FLUID VALVE
A6790-021-127
4730-01-093-3494INTERCHANGEABLE
NUT,UNION
8585-16
5950-01-159-7371INTERCHANGEABLE
COIL,RADIO FREQUENCY
4820-01-230-5486INTERCHANGEABLE
VALVE,GLOBE
8585 STOP CHECK 4IN
3120-01-327-8904INTERCHANGEABLE
BEARING,SLEEVE
8585
7050-01-373-6235INTERCHANGEABLE
PANEL,CONTROL,ELECTRICAL-ELECTRO

Frequently Asked Questions

What is NSN 4820-01-066-9582?

NSN 4820-01-066-9582 is a Stem,fluid Valve, manufactured by Emerson Automation Solutions Final Control Us Lp Div Navy Product Team, classified under FSC 4820 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4820-01-066-9582?

NSN 4820-01-066-9582 has 10 cross-referenced part numbers: 8585 (Kunkle Industries Inc Lonergan Valve Div), 8585 1-4INPC48 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A690.014.127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6790-014-127 1-4IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A6790-014-127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 5 more.

What NSN replaces 4820-01-066-9582?

There are 11 known substitutes for 4820-01-066-9582: 5935-00-343-7613, 2805-00-356-1346, 6520-00-431-4152 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A6790-014-127 1-4IN?

Key specifications for A6790-014-127 1-4IN: Material: NICKEL ALLOY; Valve Size for Which Designed: 0.250 INCHES IN; Valve Type for Which Designed: RELIEF; Stem Actuating End Type: ROUNDED AND SQUARE. 6 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-066-9582 still in active supply?

NSN 4820-01-066-9582 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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