PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A7921-003Disk Assembly,valve

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-911-6273 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-911-6273 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-911-6273. Primary manufacturer part number: A7921-003.
Features
  • Disk Assembly,valve — FSC 4820
  • General Characteristics Item Description: CONSISTS OF NUT 1,RETAINER 1,SEAL 1,DISK 1,MATERIAL NICKLE COPPER ALLOY
  • 4 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
General Description

The Disk Assembly,valve, cataloged under National Stock Number 4820-00-911-6273, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-911-6273
Primary Part NumberA7921-003
Item NameDisk Assembly,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF NUT 1,RETAINER 1,SEAL 1,DISK 1,MATERIAL NICKLE COPPER ALLOY
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5915-00-226-5423SM-D-502408 INTERCHANGEABLE
Filter Assembly,electrical
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
5330-00-392-82729641 INTERCHANGEABLE
Washer,flat,nonmeta
Northrop Grumman Systems Corp Dba Northrop Grumman Systems Corp
5930-00-504-71079641 INTERCHANGEABLE
Switch,toggle
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
6680-00-809-5033964-1 INTERCHANGEABLE
Indicator,master
Transicoil Llc Dba Ads Transicoil Div Transicoil
6610-01-102-0194 INTERCHANGEABLE
Accelerometer,mechanical
4820-01-188-1982A6792.016.127 INTERCHANGEABLE
Stem,fluid Valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
6145-01-334-42489641 INTERCHANGEABLE
Cable,special Purpose,electrical
Belden Wire & Cable Company Llc Dba Belden Cdt Electronics Division
5330-01-366-53789641 INTERCHANGEABLE
Packing,preformed
DP Manufacturing Inc.
Cross-Reference Index
Part NumberManufacturer
A7921-003 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
9641 Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
8627-5E Anderson Greenwood Lp Dba Anderson Greenwood Crosby (USA)
A7921-003 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
5915-00-226-5423INTERCHANGEABLE
FILTER ASSEMBLY,ELECTRICAL
SM-D-502408
5330-00-392-8272INTERCHANGEABLE
WASHER,FLAT,NONMETA
9641
5930-00-504-7107INTERCHANGEABLE
SWITCH,TOGGLE
9641
6680-00-809-5033INTERCHANGEABLE
INDICATOR,MASTER
964-1
6610-01-102-0194INTERCHANGEABLE
ACCELEROMETER,MECHANICAL
4820-01-188-1982INTERCHANGEABLE
STEM,FLUID VALVE
A6792.016.127
6145-01-334-4248INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
9641
5330-01-366-5378INTERCHANGEABLE
PACKING,PREFORMED
9641

Frequently Asked Questions

What is NSN 4820-00-911-6273?

NSN 4820-00-911-6273 is a Disk Assembly,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 4820-00-911-6273?

NSN 4820-00-911-6273 has 4 cross-referenced part numbers: A7921-003 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 9641 (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), 8627-5E (Anderson Greenwood Lp Dba Anderson Greenwood Crosby), A7921-003 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-00-911-6273?

There are 8 known substitutes for 4820-00-911-6273: 5915-00-226-5423, 5330-00-392-8272, 5930-00-504-7107 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A7921-003?

Key specifications for A7921-003: General Characteristics Item Description: CONSISTS OF NUT 1,RETAINER 1,SEAL 1,DISK 1,MATERIAL NICKLE COPPER ALLOY. 1 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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