PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6794-026-127Stem,fluid Valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-042-9768 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-042-9768 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-042-9768. Primary manufacturer part number: A6794-026-127.
Features
  • Stem,fluid Valve — FSC 4820
  • Valve Size for Which Designed: 2.500 INCHES IN
  • Stem Actuating End Type: FLATTED AND ROUNDED
  • Material: NICKEL ALLOY
  • Largest Outside Diameter: 1.000 INCHES NOMINAL IN
  • Valve Type for Which Designed: RELIEF
  • 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 4820-01-042-9768, 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 2 manufacturers, 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
NSN4820-01-042-9768
Primary Part NumberA6794-026-127
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Valve Size for Which Designed2.500 INCHES IN
Stem Actuating End TypeFLATTED AND ROUNDED
MaterialNICKEL ALLOY
Largest Outside Diameter1.000 INCHES NOMINAL IN
Valve Type for Which DesignedRELIEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-289-0829202300241M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5325-00-298-68854002D INTERCHANGEABLE
Eyelet,turnlock Fastener
Howmet Global Fastening Systems Inc Div Camloc Products
5330-00-809-7904B20230 INTERCHANGEABLE
Gasket
Hdt Expeditionary Systems Inc
4720-01-039-374320230 INTERCHANGEABLE
Hose,preformed
Gates Corporation
4820-01-042-912406481169127 INTERCHANGEABLE
Plate,spring,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-042-968307456002130 INTERCHANGEABLE
Guide,disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-043-019207484035132 INTERCHANGEABLE
Screw Locknut,pressure
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4730-01-043-030207363001132 INTERCHANGEABLE
Packing Nut
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5305-01-044-776907521028132 INTERCHANGEABLE
Screw,pressure,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-050-1577202300124M INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
20230APIECE-8 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20230APIECE-8 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
SW 131 FIND 8 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
SW 131 FIND 8 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A06794.026.127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6794-026-127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6794-026-127 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A6794.026.127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20230 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
06794026127 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-289-0829INTERCHANGEABLE
VALVE,SAFETY RELIEF
202300241M
5325-00-298-6885INTERCHANGEABLE
EYELET,TURNLOCK FASTENER
4002D
5330-00-809-7904INTERCHANGEABLE
GASKET
B20230
4720-01-039-3743INTERCHANGEABLE
HOSE,PREFORMED
20230
4820-01-042-9124INTERCHANGEABLE
PLATE,SPRING,VALVE
06481169127
4820-01-042-9683INTERCHANGEABLE
GUIDE,DISK,VALVE
07456002130
4820-01-043-0192INTERCHANGEABLE
SCREW LOCKNUT,PRESSURE
07484035132
4730-01-043-0302INTERCHANGEABLE
PACKING NUT
07363001132
5305-01-044-7769INTERCHANGEABLE
SCREW,PRESSURE,VALVE
07521028132
4820-01-050-1577INTERCHANGEABLE
VALVE,SAFETY RELIEF
202300124M
5962-01-170-2337INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
2805-01-191-4170INTERCHANGEABLE
DEFLECTOR,DIRT AND LIQUID
07579001130

Frequently Asked Questions

What is NSN 4820-01-042-9768?

NSN 4820-01-042-9768 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: active.

What are the part numbers for NSN 4820-01-042-9768?

NSN 4820-01-042-9768 has 10 cross-referenced part numbers: 20230APIECE-8 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20230APIECE-8 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), SW 131 FIND 8 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), SW 131 FIND 8 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A06794.026.127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby) and 5 more.

What NSN replaces 4820-01-042-9768?

There are 12 known substitutes for 4820-01-042-9768: 4820-00-289-0829, 5325-00-298-6885, 5330-00-809-7904 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A6794-026-127?

Key specifications for A6794-026-127: Valve Size for Which Designed: 2.500 INCHES IN; Overall Length: 15.437 INCHES NOMINAL IN; Stem Actuating End Type: FLATTED AND ROUNDED; Material: NICKEL ALLOY. 6 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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