PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

41397Cap,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-251-2526 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-251-2526 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-251-2526. Primary manufacturer part number: 41397.
Features
  • Cap,valve — FSC 4820
  • Valve Model Number for Which Designed: GPBCN
  • Attachment Method: THREADED
  • Valve Type for Which Designed: FLUID PRESSURE REGULATING
  • Material: COPPER ALLOY
  • Valve Size for Which Designed: 1.000 INCHES IN
  • 2 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Copper Alloy construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-251-2526, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Leslie Controls, Inc. Dba Leslie Controls Inc. Government technical data includes 5 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-251-2526
Primary Part Number41397
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Valve Model Number for Which DesignedGPBCN
Attachment MethodTHREADED
Valve Type for Which DesignedFLUID PRESSURE REGULATING
MaterialCOPPER ALLOY
Valve Size for Which Designed1.000 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
5950-00-004-2080986094-1 INTERCHANGEABLE
Reactor
Raytheon Company Dba Raytheon
5950-01-234-458810272666-29 INTERCHANGEABLE
Coil,radio Frequency
Us Army Aviation and Missile Command
Cross-Reference Index
Part NumberManufacturer
41397 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
22506N PC 13 SIZE 1IN Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5950-00-004-2080INTERCHANGEABLE
REACTOR
986094-1
5950-01-234-4588INTERCHANGEABLE
COIL,RADIO FREQUENCY
10272666-29

Frequently Asked Questions

What is NSN 4820-01-251-2526?

NSN 4820-01-251-2526 is a Cap,valve, manufactured by Leslie Controls, Inc. Dba Leslie Controls Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-01-251-2526?

NSN 4820-01-251-2526 has 2 cross-referenced part numbers: 41397 (Leslie Controls, Inc. Dba Leslie Controls Inc), 22506N PC 13 SIZE 1IN (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-251-2526?

There are 2 known substitutes for 4820-01-251-2526: 5950-00-004-2080, 5950-01-234-4588. Verify interchangeability with system specifications before substitution.

What are the specifications of 41397?

Key specifications for 41397: Valve Model Number for Which Designed: GPBCN; Attachment Method: THREADED; Valve Type for Which Designed: FLUID PRESSURE REGULATING; Special Features: BOTTOM CAP. 6 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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