PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A6794.025.156Stem,fluid Valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-127-5187 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-127-5187 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-127-5187. Primary manufacturer part number: A6794.025.156.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • Largest Outside Diameter: 1.000 INCHES NOMINAL IN
  • Material Document and Classification: ASTM A276-303 FED SPEC SINGLE MATERIAL RESPONSE
  • Valve Size for Which Designed: 2.500 INCHES IN
  • Valve Model Number for Which Designed: TYPE 2741-T
  • Stem Actuating End Type: ROUNDED
  • Valve Type for Which Designed: RELIEF
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 4820-01-127-5187, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4820-01-127-5187
Primary Part NumberA6794.025.156
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Largest Outside Diameter1.000 INCHES NOMINAL IN
Material Document and ClassificationASTM A276-303 FED SPEC SINGLE MATERIAL RESPONSE
Valve Size for Which Designed2.500 INCHES IN
Valve Model Number for Which DesignedTYPE 2741-T
Stem Actuating End TypeROUNDED
Valve Type for Which DesignedRELIEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
2915-00-605-346020243 INTERCHANGEABLE
Retainer,valve
Hydro-Aire Aerospace Corp
5975-00-959-16805334 INTERCHANGEABLE
Box Connector,electrical
Abb Installation Products Inc
1680-01-044-6168 INTERCHANGEABLE
Base,mirror Mounting
4820-01-127-392907454002108 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-130-66112024301S0045 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5962-01-167-7868LM139D INTERCHANGEABLE
Microcircuit,linear
National Semiconductor Corporation
5315-01-176-7771 INTERCHANGEABLE
Pin,tapered
6740-01-233-8409 INTERCHANGEABLE
Tray,processing,photographic
5995-01-253-1178S2024-3 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Volex Inc
3040-01-363-878320243 INTERCHANGEABLE
Cap Assembly,adjusting
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
Cross-Reference Index
Part NumberManufacturer
A6794.025.136 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6794.025.156 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A6794.025.156 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A6794.025.136 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20243 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
2915-00-605-3460INTERCHANGEABLE
RETAINER,VALVE
20243
5975-00-959-1680INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
5334
1680-01-044-6168INTERCHANGEABLE
BASE,MIRROR MOUNTING
4820-01-127-3929INTERCHANGEABLE
SEAT,VALVE
07454002108
4820-01-130-6611INTERCHANGEABLE
VALVE,SAFETY RELIEF
2024301S0045
5962-01-167-7868INTERCHANGEABLE
MICROCIRCUIT,LINEAR
LM139D
5315-01-176-7771INTERCHANGEABLE
PIN,TAPERED
6740-01-233-8409INTERCHANGEABLE
TRAY,PROCESSING,PHOTOGRAPHIC
5995-01-253-1178INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
S2024-3
3040-01-363-8783INTERCHANGEABLE
CAP ASSEMBLY,ADJUSTING
20243
4820-01-440-7749INTERCHANGEABLE
VALVE,SAFETY RELIEF
20243C41SS
6515-01-590-8859INTERCHANGEABLE
SENSOR,OXYGEN MONITORING
3793

Frequently Asked Questions

What is NSN 4820-01-127-5187?

NSN 4820-01-127-5187 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 4820-01-127-5187?

NSN 4820-01-127-5187 has 5 cross-referenced part numbers: A6794.025.136 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6794.025.156 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A6794.025.156 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A6794.025.136 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20243 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-127-5187?

There are 12 known substitutes for 4820-01-127-5187: 2915-00-605-3460, 5975-00-959-1680, 1680-01-044-6168 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A6794.025.156?

Key specifications for A6794.025.156: Material: STEEL CORROSION RESISTING; Largest Outside Diameter: 1.000 INCHES NOMINAL IN; Material Document and Classification: ASTM A276-303 FED SPEC SINGLE MATERIAL RESPONSE; Valve Size for Which Designed: 2.500 INCHES IN. 8 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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