PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A10430-001-127Seat,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-079-1485 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-079-1485 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-079-1485. Primary manufacturer part number: A10430-001-127.
Features
  • Seat,valve — FSC 4820
  • Thread Length: 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Series Designator: UNEF SINGLE THREADED PORTION
  • Material: NICKEL ALLOY OVERALL
  • Style Designator: PLAIN FLANGED
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Flange Seat to Disk End Height: 0.375 INCHES NOMINAL IN
  • Body Inside Diameter: 0.750 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Nickel Alloy Overall construction
General Description

The Seat,valve, cataloged under National Stock Number 4820-01-079-1485, 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 13 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
NSN4820-01-079-1485
Primary Part NumberA10430-001-127
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Thread Length0.625 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Series DesignatorUNEF SINGLE THREADED PORTION
MaterialNICKEL ALLOY OVERALL
Style DesignatorPLAIN FLANGED
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Flange Seat to Disk End Height0.375 INCHES NOMINAL IN
Body Inside Diameter0.750 INCHES NOMINAL IN
Under Flange Height0.875 INCHES NOMINAL IN
Seating Surface ShapeFLAT
Thread Class2A SINGLE THREADED PORTION A
Nominal Thread Size1.125 INCHES SINGLE THREADED PORTION IN
Body Outside Diameter1.047 INCHES NOMINAL IN
Flange Diameter1.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5940-00-144-2934 INTERCHANGEABLE
Terminal Board
3110-00-144-89000213 INTERCHANGEABLE
Bearing,ball,annular
Cnh Industrial America Llc Dba Cnh America
5133-00-189-9321 INTERCHANGEABLE
Drill,twist
3120-00-288-481111-2688 INTERCHANGEABLE
Bearing,sleeve
Thermo King Corporation Dba Phoenix Global Distirbution.
2030-00-332-0036 INTERCHANGEABLE
Eccentric,brake
7490-00-920-089620031 INTERCHANGEABLE
Guard,star Wheel
Pitney Bowes Inc.
5905-00-950-1414751000 INTERCHANGEABLE
Resistor,variable,nonwire Wound,
L3harris Cincinnati Electronics Corporation
2540-01-007-532220031 INTERCHANGEABLE
Rack,light
Unity Manufacturing Co
4820-01-079-337920031PC5 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-086-283420031 INTERCHANGEABLE
Valve,safety Relief
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
A10430-001-127 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
20031PC4 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20031 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
20031PC4 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A10430-001-127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
5940-00-144-2934INTERCHANGEABLE
TERMINAL BOARD
3110-00-144-8900INTERCHANGEABLE
BEARING,BALL,ANNULAR
0213
5133-00-189-9321INTERCHANGEABLE
DRILL,TWIST
3120-00-288-4811INTERCHANGEABLE
BEARING,SLEEVE
11-2688
2030-00-332-0036INTERCHANGEABLE
ECCENTRIC,BRAKE
7490-00-920-0896INTERCHANGEABLE
GUARD,STAR WHEEL
20031
5905-00-950-1414INTERCHANGEABLE
RESISTOR,VARIABLE,NONWIRE WOUND,
751000
2540-01-007-5322INTERCHANGEABLE
RACK,LIGHT
20031
4820-01-079-3379INTERCHANGEABLE
DISK,VALVE
20031PC5
4820-01-086-2834INTERCHANGEABLE
VALVE,SAFETY RELIEF
20031
3040-01-096-1136INTERCHANGEABLE
CONNECTING LINK,RIGID
70400-02252-130
5998-01-117-0393INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY

Frequently Asked Questions

What is NSN 4820-01-079-1485?

NSN 4820-01-079-1485 is a Seat,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 4820-01-079-1485?

NSN 4820-01-079-1485 has 5 cross-referenced part numbers: A10430-001-127 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 20031PC4 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20031 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 20031PC4 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A10430-001-127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby).

What NSN replaces 4820-01-079-1485?

There are 12 known substitutes for 4820-01-079-1485: 5940-00-144-2934, 3110-00-144-8900, 5133-00-189-9321 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A10430-001-127?

Key specifications for A10430-001-127: Thread Length: 0.625 INCHES NOMINAL SINGLE THREADED PORTION IN; Thread Series Designator: UNEF SINGLE THREADED PORTION; Material: NICKEL ALLOY OVERALL; Style Designator: PLAIN FLANGED. 13 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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