PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7410-002-127Seat,valve

Anderson Greenwood Lp Dba Anderson Greenwood Crosby · NSN 4820-01-045-1758 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-045-1758 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-045-1758. Primary manufacturer part number: A7410-002-127.
Features
  • Seat,valve — FSC 4820
  • Thread Length: 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN
  • Thread Series Designator: UNEF SINGLE THREADED PORTION
  • Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Style Designator: PLAIN THREADED
  • Material: NICKEL ALLOY OVERALL
  • Reference Number Differentiating Characteristics: CLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
  • Criticality Code Justification: ZZZY
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 4820-01-045-1758, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Anderson Greenwood Lp Dba Anderson Greenwood Crosby. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-045-1758
Primary Part NumberA7410-002-127
Item NameSeat,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerAnderson Greenwood Lp Dba Anderson Greenwood Crosby
StatusACTIVE
Thread Length1.000 INCHES NOMINAL SINGLE THREADED PORTION IN
Thread Series DesignatorUNEF SINGLE THREADED PORTION
Material Document and ClassificationQQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorPLAIN THREADED
MaterialNICKEL ALLOY OVERALL
Reference Number Differentiating CharacteristicsCLEANING, PACKAGING, AND MARKING IAW MIL-STD-1330D
Criticality Code JustificationZZZY
Nominal Thread Size1.125 INCHES SINGLE THREADED PORTION IN
Body Inside Diameter0.750 INCHES NOMINAL IN
Thread Class2A SINGLE THREADED PORTION A
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
4820-00-490-325707410002127 INTERCHANGEABLE
Seat,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-168-5684 INTERCHANGEABLE
Seat,valve
4820-01-218-8028 INTERCHANGEABLE
Seat,valve
4820-01-294-2437 INTERCHANGEABLE
Seat,valve
Cross-Reference Index
Part NumberManufacturer
A7410-002-127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8610 PIECE 4 1/4IN Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
8610 PIECE 4 1/4INCP Naval Inventory Control Point Mechanicsburg (USA)
07410002127X1 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
07410002127X1CP Naval Inventory Control Point Mechanicsburg (USA)
A7410-002-127 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A7410-002-127CP Naval Inventory Control Point Mechanicsburg (USA)
8610 PIECE 4 1/4IN Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A7410.002.127 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
Related Parts
4820-00-490-3257INTERCHANGEABLE
SEAT,VALVE
07410002127
4820-01-168-5684INTERCHANGEABLE
SEAT,VALVE
4820-01-218-8028INTERCHANGEABLE
SEAT,VALVE
4820-01-294-2437INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-01-045-1758?

NSN 4820-01-045-1758 is a Seat,valve, manufactured by Anderson Greenwood Lp Dba Anderson Greenwood Crosby, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-045-1758?

NSN 4820-01-045-1758 has 9 cross-referenced part numbers: A7410-002-127 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8610 PIECE 4 1/4IN (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 8610 PIECE 4 1/4INCP (Naval Inventory Control Point Mechanicsburg), 07410002127X1 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 07410002127X1CP (Naval Inventory Control Point Mechanicsburg) and 4 more.

What NSN replaces 4820-01-045-1758?

There are 4 known substitutes for 4820-01-045-1758: 4820-00-490-3257, 4820-01-168-5684, 4820-01-218-8028 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A7410-002-127?

Key specifications for A7410-002-127: Overall Height: 1.250 INCHES NOMINAL IN; Thread Length: 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN; Thread Series Designator: UNEF SINGLE THREADED PORTION; Material Document and Classification: QQ-N-281 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 11 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com