PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N63645Valve,flow Control

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-063-5948 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-063-5948 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-063-5948. Primary manufacturer part number: N63645.
Features
  • Valve,flow Control — FSC 4820
  • Body Material: STEEL
  • End Connection Quantity: 2
  • 8 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
General Description

The Valve,flow Control, cataloged under National Stock Number 4820-01-063-5948, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-063-5948
Primary Part NumberN63645
Item NameValve,flow Control
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Body MaterialSTEEL
End Connection Quantity2
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5330-00-621-114625654 INTERCHANGEABLE
Gasket,water Pump T
Dana Automotive Systems Group, Llc Dba Dana Sealing Products
4720-00-913-5910 INTERCHANGEABLE
Hose Assembly,nonmetallic
4820-01-062-5501 INTERCHANGEABLE
Valve,steam Reducing
4310-01-063-8575B2631 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
4310-01-064-7903B2632 INTERCHANGEABLE
Ring,piston
Kaydon Ring & Seal Inc Dba Skf Precision Technologies
4820-01-064-8021N63674 INTERCHANGEABLE
Spring Cartridge Assembly
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-147-7937N63651 INTERCHANGEABLE
Piston,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-178-968363654 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-233-4951N63650 INTERCHANGEABLE
Liner,cylinder
Leslie Controls, Inc. Dba Leslie Controls Inc
5305-01-314-920325654 INTERCHANGEABLE
Screw,machine
Barksdale, Inc
Cross-Reference Index
Part NumberManufacturer
N63645 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25654N PIECE 11 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
63645 PRIMARY Sarco Inc (USA)
63645 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25460N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25654N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25460N PIECE 11 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
25654 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5330-00-621-1146INTERCHANGEABLE
GASKET,WATER PUMP T
25654
4720-00-913-5910INTERCHANGEABLE
HOSE ASSEMBLY,NONMETALLIC
4820-01-062-5501INTERCHANGEABLE
VALVE,STEAM REDUCING
4310-01-063-8575INTERCHANGEABLE
RING,PISTON
B2631
4310-01-064-7903INTERCHANGEABLE
RING,PISTON
B2632
4820-01-064-8021INTERCHANGEABLE
SPRING CARTRIDGE ASSEMBLY
N63674
4820-01-147-7937INTERCHANGEABLE
PISTON,VALVE
N63651
4820-01-178-9683INTERCHANGEABLE
SEAT,VALVE
63654
4820-01-233-4951INTERCHANGEABLE
LINER,CYLINDER
N63650
5305-01-314-9203INTERCHANGEABLE
SCREW,MACHINE
25654
4810-01-365-2968INTERCHANGEABLE
HOUSING,PLUNGER,ACTUATOR
N69794
4820-01-369-3581INTERCHANGEABLE
DIAPHRAGM,ACTUATOR VALVE,SPECIAL
N69529

Frequently Asked Questions

What is NSN 4820-01-063-5948?

NSN 4820-01-063-5948 is a Valve,flow Control, 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 4820-01-063-5948?

NSN 4820-01-063-5948 has 8 cross-referenced part numbers: N63645 (Leslie Controls, Inc. Dba Leslie Controls Inc), 25654N PIECE 11 (Leslie Controls, Inc. Dba Leslie Controls Inc), 63645 (Sarco Inc), 63645 (Leslie Controls, Inc. Dba Leslie Controls Inc), 25460N (Leslie Controls, Inc. Dba Leslie Controls Inc) and 3 more.

What NSN replaces 4820-01-063-5948?

There are 12 known substitutes for 4820-01-063-5948: 5330-00-621-1146, 4720-00-913-5910, 4820-01-062-5501 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N63645?

Key specifications for N63645: Body Material: STEEL; End Connection Quantity: 2. 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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