PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44949Stem,fluid Valve

Flowserve Inc · NSN 4820-01-281-1486 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-281-1486 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-281-1486. Primary manufacturer part number: 44949.
Features
  • Stem,fluid Valve — FSC 4820
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Largest Outside Diameter: 0.750 INCHES NOMINAL IN
  • 1 verified cross-reference
  • Primary manufacturer: Flowserve Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-281-1486, 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 2 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-281-1486
Primary Part Number44949
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Inc
StatusACTIVE
Stem Actuating End TypeTHREADED EXTERNALLY
Largest Outside Diameter0.750 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5340-00-939-1288 INTERCHANGEABLE
Retainer,helical Compression Spr
5985-00-955-992044949 INTERCHANGEABLE
Seal,waveguide
Frontgrade Technologies Inc.
Cross-Reference Index
Part NumberManufacturer
44949 PRIMARY Flowserve Inc (USA)
Related Parts
5340-00-939-1288INTERCHANGEABLE
RETAINER,HELICAL COMPRESSION SPR
5985-00-955-9920INTERCHANGEABLE
SEAL,WAVEGUIDE
44949

Frequently Asked Questions

What is NSN 4820-01-281-1486?

NSN 4820-01-281-1486 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 4820-01-281-1486?

NSN 4820-01-281-1486 has 1 cross-referenced part number: 44949 (Flowserve Inc).

What NSN replaces 4820-01-281-1486?

There are 2 known substitutes for 4820-01-281-1486: 5340-00-939-1288, 5985-00-955-9920. Verify interchangeability with system specifications before substitution.

What are the specifications of 44949?

Key specifications for 44949: Overall Length: 9.150 INCHES NOMINAL IN; Stem Actuating End Type: THREADED EXTERNALLY; Largest Outside Diameter: 0.750 INCHES NOMINAL IN. 3 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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