PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20640Guide,valve Stem

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-233-8111 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-233-8111 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-233-8111. Primary manufacturer part number: 20640.
Features
  • Guide,valve Stem — FSC 4820
  • Material: STEEL
  • 3 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 Steel construction
General Description

The Guide,valve Stem, cataloged under National Stock Number 4820-01-233-8111, 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 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 1 manufacturer, 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
NSN4820-01-233-8111
Primary Part Number20640
Item NameGuide,valve Stem
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
MaterialSTEEL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-174-094637T21 INTERCHANGEABLE
Switch,thermostatic
Therm-O-Disc Incorporated
6145-00-244-8152UL62SJ3BCK2/18EPCPE INTERCHANGEABLE
Cable,power,electrical
Underwriters Laboratories Inc
5133-00-266-9244 INTERCHANGEABLE
Drill,twist
5975-00-316-235020640 INTERCHANGEABLE
Coupling,electrical Conduit
Schneider Electric Usa, Inc.
5360-00-526-376220640 INTERCHANGEABLE
Spring,helical,compression
Hydro-Aire Aerospace Corp
6145-00-548-1258 INTERCHANGEABLE
Cable,power,electrical
1005-00-868-687720640 INTERCHANGEABLE
Washer,brake
Cadillac Gage Textron Inc.
5360-01-111-4279 INTERCHANGEABLE
Spring
4810-01-130-360420640 INTERCHANGEABLE
Valve,solenoid
De Kalb Precision Industries Inc
6515-01-160-2539206.40 INTERCHANGEABLE
Screw,bone
Depuy Synthes Sales Inc Dba Depuy Synthes Trauma Div Depuy Synthes Sales, Inc., D/b/a Depuy Synthes Trauma
Cross-Reference Index
Part NumberManufacturer
10953N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
10953N PIECE 30 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
20640 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5930-00-174-0946INTERCHANGEABLE
SWITCH,THERMOSTATIC
37T21
6145-00-244-8152INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
UL62SJ3BCK2/18EPCPE
5133-00-266-9244INTERCHANGEABLE
DRILL,TWIST
5975-00-316-2350INTERCHANGEABLE
COUPLING,ELECTRICAL CONDUIT
20640
5360-00-526-3762INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
20640
6145-00-548-1258INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
1005-00-868-6877INTERCHANGEABLE
WASHER,BRAKE
20640
5360-01-111-4279INTERCHANGEABLE
SPRING
4810-01-130-3604INTERCHANGEABLE
VALVE,SOLENOID
20640
6515-01-160-2539INTERCHANGEABLE
SCREW,BONE
206.40
4820-01-233-8072INTERCHANGEABLE
STEM,NEEDLE VALVE
N09353
4820-01-233-8123INTERCHANGEABLE
DISK,VALVE
20636

Frequently Asked Questions

What is NSN 4820-01-233-8111?

NSN 4820-01-233-8111 is a Guide,valve Stem, 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 4820-01-233-8111?

NSN 4820-01-233-8111 has 3 cross-referenced part numbers: 10953N (Leslie Controls, Inc. Dba Leslie Controls Inc), 10953N PIECE 30 (Leslie Controls, Inc. Dba Leslie Controls Inc), 20640 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-233-8111?

There are 12 known substitutes for 4820-01-233-8111: 5930-00-174-0946, 6145-00-244-8152, 5133-00-266-9244 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20640?

Key specifications for 20640: Material: STEEL. 1 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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