PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

8631Ring,blowdown

Emerson Automation Solutions Final Control Us Lp Div Navy Product Team · NSN 4820-00-909-3145 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-909-3145 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-909-3145. Primary manufacturer part number: 8631.
Features
  • Ring,blowdown — FSC 4820
  • 1 verified cross-reference
  • Primary manufacturer: Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Ring,blowdown, cataloged under National Stock Number 4820-00-909-3145, 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. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameRing,blowdown
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersEmerson Automation Solutions Final Control Us Lp Div Navy Product Team (CAGE 15187)
Technical Specifications
ParameterValue
NSN4820-00-909-3145
Primary Part Number8631
Item NameRing,blowdown
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerEmerson Automation Solutions Final Control Us Lp Div Navy Product Team
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
2925-00-098-40698631 INTERCHANGEABLE
Cam
Unison Industries Llc
5950-00-326-18142928145-1 INTERCHANGEABLE
Transformer,power
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
6520-00-431-883404480 INTERCHANGEABLE
Bitefork,face Bow,dental Articul
Whip-Mix Corp
2590-00-781-5733 INTERCHANGEABLE
Control Assembly,push-Pull
2930-01-047-18438125501 INTERCHANGEABLE
Pump,cooling System,engine
Am General Llc
6625-01-114-34928631 INTERCHANGEABLE
Monitor,isotropic Radiation
Narda Holdings, Inc. Dba Narda-Miteq Div Narda-Miteq
5930-01-145-27988631 INTERCHANGEABLE
Switch,pushbutton
C & K Components, Llc Div C & K Components
6130-01-201-33901-8631 INTERCHANGEABLE
Power Pack Assembly
Air Systems Components Inc Dba Air System Components Inc Div Trion Iaq Div
3950-01-217-8047 INTERCHANGEABLE
Winch,drum,power Operated
5340-01-398-9609863-1 INTERCHANGEABLE
Handle,crank
Ingersoll-Rand Co Rock Drill Div Plant
Cross-Reference Index
Part NumberManufacturer
8631 PRIMARY Emerson Automation Solutions Final Control Us Lp Div Navy Product Team (USA)
Related Parts
2925-00-098-4069INTERCHANGEABLE
CAM
8631
5950-00-326-1814INTERCHANGEABLE
TRANSFORMER,POWER
2928145-1
6520-00-431-8834INTERCHANGEABLE
BITEFORK,FACE BOW,DENTAL ARTICUL
04480
2590-00-781-5733INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL
2930-01-047-1843INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8125501
6625-01-114-3492INTERCHANGEABLE
MONITOR,ISOTROPIC RADIATION
8631
5930-01-145-2798INTERCHANGEABLE
SWITCH,PUSHBUTTON
8631
6130-01-201-3390INTERCHANGEABLE
POWER PACK ASSEMBLY
1-8631
3950-01-217-8047INTERCHANGEABLE
WINCH,DRUM,POWER OPERATED
5340-01-398-9609INTERCHANGEABLE
HANDLE,CRANK
863-1
6510-01-419-7697INTERCHANGEABLE
APPLICATOR,POVIDONE-IODINE IMPRE

Frequently Asked Questions

What is NSN 4820-00-909-3145?

NSN 4820-00-909-3145 is a Ring,blowdown, 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 4820-00-909-3145?

NSN 4820-00-909-3145 has 1 cross-referenced part number: 8631 (Emerson Automation Solutions Final Control Us Lp Div Navy Product Team).

What NSN replaces 4820-00-909-3145?

There are 11 known substitutes for 4820-00-909-3145: 2925-00-098-4069, 5950-00-326-1814, 6520-00-431-8834 and 8 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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