PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19263Stem,fluid Valve

Flowserve Inc · NSN 4820-01-186-9515 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-186-9515 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-186-9515. Primary manufacturer part number: 19263.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: STEEL CORROSION RESISTING
  • 1 verified cross-reference
  • Primary manufacturer: Flowserve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-186-9515, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Inc. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-186-9515
Primary Part Number19263
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
2940-00-218-561719263 INTERCHANGEABLE
Filter Element,fluid
Arvinmeritor Inc
4930-00-913-70613113 M21 INTERCHANGEABLE
Gun,fluid,direct Delivery
Astro Chemical Company, Inc. Dba Astro Chemical Co
6150-01-073-8442 INTERCHANGEABLE
Bus,conductor
6685-01-383-711319263 INTERCHANGEABLE
Control,temperature,indicating
Electro Optical Industries Inc
7690-01-504-99603HA518 INTERCHANGEABLE
Decal
Oshkosh Defense Llc
5305-01-619-8160 INTERCHANGEABLE
Screw,machine
Cross-Reference Index
Part NumberManufacturer
19263 PRIMARY Flowserve Inc (USA)
Related Parts
2940-00-218-5617INTERCHANGEABLE
FILTER ELEMENT,FLUID
19263
4930-00-913-7061INTERCHANGEABLE
GUN,FLUID,DIRECT DELIVERY
3113 M21
6150-01-073-8442INTERCHANGEABLE
BUS,CONDUCTOR
6685-01-383-7113INTERCHANGEABLE
CONTROL,TEMPERATURE,INDICATING
19263
7690-01-504-9960INTERCHANGEABLE
DECAL
3HA518
5305-01-619-8160INTERCHANGEABLE
SCREW,MACHINE

Frequently Asked Questions

What is NSN 4820-01-186-9515?

NSN 4820-01-186-9515 is a Stem,fluid Valve, manufactured by Flowserve Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-186-9515?

NSN 4820-01-186-9515 has 1 cross-referenced part number: 19263 (Flowserve Inc).

What NSN replaces 4820-01-186-9515?

There are 6 known substitutes for 4820-01-186-9515: 2940-00-218-5617, 4930-00-913-7061, 6150-01-073-8442 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 19263?

Key specifications for 19263: Material: STEEL CORROSION RESISTING. 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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