PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-42437 PIECE 11Disk,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-01-046-7677 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-046-7677 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-046-7677. Primary manufacturer part number: A-42437 PIECE 11.
Features
  • Disk,valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 6 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 Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-046-7677, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4820-01-046-7677
Primary Part NumberA-42437 PIECE 11
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusCANCELLED
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
4820-00-159-0558 INTERCHANGEABLE
Valve,safety Relief
5330-00-353-29016CAC2196 INTERCHANGEABLE
Packing,preformed
Fwd Seagrave Holdings Lp
5305-00-492-880736324 INTERCHANGEABLE
Screw,machine
Prestolite Electric Inc
5330-00-757-297336324 INTERCHANGEABLE
Gasket
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-00-790-486336324 INTERCHANGEABLE
Stem,valve
Northrop Grumman Systems Corporation Div Marine Systems
5930-00-908-66323632-4 INTERCHANGEABLE
Switch,rotary
Electro Switch Corp. Dba Electro Switch Corp
4820-01-046-132834616 INTERCHANGEABLE
Cap,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5315-01-046-219735460 INTERCHANGEABLE
Pin,straight,headless
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
4820-01-046-703186446 INTERCHANGEABLE
Lever,control,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
5310-01-046-767558271 INTERCHANGEABLE
Nut,spindle,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
A-42437 PIECE 11 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
36324 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A-49148 PIECE 10 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A48377 PIECE 10 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
036324 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
A48377 Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
4820-00-159-0558INTERCHANGEABLE
VALVE,SAFETY RELIEF
5330-00-353-2901INTERCHANGEABLE
PACKING,PREFORMED
6CAC2196
5305-00-492-8807INTERCHANGEABLE
SCREW,MACHINE
36324
5330-00-757-2973INTERCHANGEABLE
GASKET
36324
4820-00-790-4863INTERCHANGEABLE
STEM,VALVE
36324
5930-00-908-6632INTERCHANGEABLE
SWITCH,ROTARY
3632-4
4820-01-046-1328INTERCHANGEABLE
CAP,VALVE
34616
5315-01-046-2197INTERCHANGEABLE
PIN,STRAIGHT,HEADLESS
35460
4820-01-046-7031INTERCHANGEABLE
LEVER,CONTROL,VALVE
86446
5310-01-046-7675INTERCHANGEABLE
NUT,SPINDLE,VALVE
58271
4820-01-046-7676INTERCHANGEABLE
ADJUSTING BOLT,VALVE
17848
4820-01-047-0584INTERCHANGEABLE
PISTON,VALVE
43607

Frequently Asked Questions

What is NSN 4820-01-046-7677?

NSN 4820-01-046-7677 is a Disk,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 4820-01-046-7677?

NSN 4820-01-046-7677 has 6 cross-referenced part numbers: A-42437 PIECE 11 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 36324 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A-49148 PIECE 10 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), A48377 PIECE 10 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team), 036324 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team) and 1 more.

What NSN replaces 4820-01-046-7677?

There are 12 known substitutes for 4820-01-046-7677: 4820-00-159-0558, 5330-00-353-2901, 5305-00-492-8807 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-42437 PIECE 11?

Key specifications for A-42437 PIECE 11: Special Features: 2 1/2 INCH H4 HNB-H SAFETY VALVE IN; Material: STEEL CORROSION RESISTING. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4820-01-046-7677 still in active supply?

NSN 4820-01-046-7677 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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