PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

741-5-3Disk,valve

Flowserve Corporation Div Flowserve Us Inc · NSN 4820-01-262-2802 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-262-2802 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-262-2802. Primary manufacturer part number: 741-5-3.
Features
  • Disk,valve — FSC 4820
  • Material: COPPER ALLOY
  • Pressure Rating: 30.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
  • 2 verified cross-references
  • Primary manufacturer: Flowserve Corporation Div Flowserve Us Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-01-262-2802, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Flowserve Corporation Div Flowserve Us Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-262-2802
Primary Part Number741-5-3
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerFlowserve Corporation Div Flowserve Us Inc
StatusACTIVE
MaterialCOPPER ALLOY
Pressure Rating30.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3010-00-125-495974153 INTERCHANGEABLE
Disk,clutch,nonvehicular
Telemechanics Inc
5962-00-329-8166 INTERCHANGEABLE
Microcircuit,digital
5915-01-607-39987415-3 INTERCHANGEABLE
Filter,radio Frequency Interfere
A. T. Parker, Inc. Div Solar Electronics Company
Cross-Reference Index
Part NumberManufacturer
741-5-3 PRIMARY Flowserve Corporation Div Flowserve Us Inc (USA)
741-5 PIECE 3 Flowserve Corporation Div Flowserve Us Inc (USA)
Related Parts
3010-00-125-4959INTERCHANGEABLE
DISK,CLUTCH,NONVEHICULAR
74153
5962-00-329-8166INTERCHANGEABLE
MICROCIRCUIT,DIGITAL
5915-01-607-3998INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
7415-3

Frequently Asked Questions

What is NSN 4820-01-262-2802?

NSN 4820-01-262-2802 is a Disk,valve, manufactured by Flowserve Corporation Div Flowserve Us Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-262-2802?

NSN 4820-01-262-2802 has 2 cross-referenced part numbers: 741-5-3 (Flowserve Corporation Div Flowserve Us Inc), 741-5 PIECE 3 (Flowserve Corporation Div Flowserve Us Inc).

What NSN replaces 4820-01-262-2802?

There are 3 known substitutes for 4820-01-262-2802: 3010-00-125-4959, 5962-00-329-8166, 5915-01-607-3998. Verify interchangeability with system specifications before substitution.

What are the specifications of 741-5-3?

Key specifications for 741-5-3: Material: COPPER ALLOY; Pressure Rating: 30.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS. 2 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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