PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

871109 PIECE 3Stem,fluid Valve

Cyclonics Inc · NSN 4820-01-130-4568 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-130-4568 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-130-4568. Primary manufacturer part number: 871109 PIECE 3.
Features
  • Stem,fluid Valve — FSC 4820
  • Material: COPPER ALLOY
  • Stem Actuating End Type: THREADED EXTERNALLY
  • Valve Size for Which Designed: 0.500 INCHES AND 0.625 INCHES IN
  • Valve Type for Which Designed: RELIEF
  • 4 verified cross-references
  • Primary manufacturer: Cyclonics Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-01-130-4568, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Cyclonics Inc. Government technical data includes 4 verified specifications, 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-130-4568
Primary Part Number871109 PIECE 3
Item NameStem,fluid Valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerCyclonics Inc
StatusACTIVE
MaterialCOPPER ALLOY
Stem Actuating End TypeTHREADED EXTERNALLY
Valve Size for Which Designed0.500 INCHES AND 0.625 INCHES IN
Valve Type for Which DesignedRELIEF
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
6240-00-577-34224AB INTERCHANGEABLE
Lamp,glow
American National Standards Institute Incorporated Dba American National Standards Institute
4820-01-483-2904 INTERCHANGEABLE
Valve,safety Relief
Cross-Reference Index
Part NumberManufacturer
871109 PIECE 3 Cyclonics Inc (USA)
SK5047-N Henry Technologies, Inc. (USA)
871109 Cyclonics Inc (USA)
SK5047-N PIECE 3 Henry Technologies, Inc. (USA)
Related Parts
6240-00-577-3422INTERCHANGEABLE
LAMP,GLOW
4AB
4820-01-483-2904INTERCHANGEABLE
VALVE,SAFETY RELIEF

Frequently Asked Questions

What is NSN 4820-01-130-4568?

NSN 4820-01-130-4568 is a Stem,fluid Valve, manufactured by Cyclonics Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-130-4568?

NSN 4820-01-130-4568 has 4 cross-referenced part numbers: 871109 PIECE 3 (Cyclonics Inc), SK5047-N (Henry Technologies, Inc.), 871109 (Cyclonics Inc), SK5047-N PIECE 3 (Henry Technologies, Inc.).

What NSN replaces 4820-01-130-4568?

There are 2 known substitutes for 4820-01-130-4568: 6240-00-577-3422, 4820-01-483-2904. Verify interchangeability with system specifications before substitution.

What are the specifications of 871109 PIECE 3?

Key specifications for 871109 PIECE 3: Material: COPPER ALLOY; Stem Actuating End Type: THREADED EXTERNALLY; Valve Size for Which Designed: 0.500 INCHES AND 0.625 INCHES IN; Valve Type for Which Designed: RELIEF. 4 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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