PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20538Stem,fluid Valve

Real-Time Laboratories, Llc · NSN 4810-01-229-5516 · FSC 4810 · No Item Name Available
Verified by PartsTable
NSN 4810-01-229-5516 — this item is cataloged by the U.S. Government under National Stock Number 4810-01-229-5516. Primary manufacturer part number: 20538.
Features
  • Stem,fluid Valve — FSC 4810
  • 1 verified cross-reference
  • Primary manufacturer: Real-Time Laboratories, Llc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4810-01-229-5516, is classified within Federal Supply Class 4810 (No Item Name Available) of the Valves group. The primary manufacturer of record is Real-Time Laboratories, Llc. This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameStem,fluid Valve
FSC / FSG4810 — No Item Name Available (FSG 48)
ManufacturersReal-Time Laboratories, Llc (CAGE 62319)
Technical Specifications
ParameterValue
NSN4810-01-229-5516
Primary Part Number20538
Item NameStem,fluid Valve
FSC / FSG4810 / 48 — No Item Name Available
ManufacturerReal-Time Laboratories, Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
2540-00-837-0872205-38 INTERCHANGEABLE
Handle,door,vehicular
Cmc of Georgia, Inc.
4720-01-020-508820538 INTERCHANGEABLE
Hose,preformed
Gates Corporation
6240-01-504-927120538 INTERCHANGEABLE
Lamp,incandescent
Cooper Crouse-Hinds Llc
3110-01-513-6961 INTERCHANGEABLE
Bearing,roller,self-Aligning
6515-01-590-8112D03252 INTERCHANGEABLE
Cord,vitrectomy Enhancer
Medical Instrument Development Laboratories, Inc. Dba Mid Labs
Cross-Reference Index
Part NumberManufacturer
20538 PRIMARY Real-Time Laboratories, Llc (USA)
Related Parts
2540-00-837-0872INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
205-38
4720-01-020-5088INTERCHANGEABLE
HOSE,PREFORMED
20538
6240-01-504-9271INTERCHANGEABLE
LAMP,INCANDESCENT
20538
3110-01-513-6961INTERCHANGEABLE
BEARING,ROLLER,SELF-ALIGNING
6515-01-590-8112INTERCHANGEABLE
CORD,VITRECTOMY ENHANCER
D03252

Frequently Asked Questions

What is NSN 4810-01-229-5516?

NSN 4810-01-229-5516 is a Stem,fluid Valve, manufactured by Real-Time Laboratories, Llc, classified under FSC 4810 (No Item Name Available). Status: active.

What are the part numbers for NSN 4810-01-229-5516?

NSN 4810-01-229-5516 has 1 cross-referenced part number: 20538 (Real-Time Laboratories, Llc).

What NSN replaces 4810-01-229-5516?

There are 5 known substitutes for 4810-01-229-5516: 2540-00-837-0872, 4720-01-020-5088, 6240-01-504-9271 and 2 more. Verify interchangeability with system specifications before substitution.

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