PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N321850357Cap,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-195-9231 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-195-9231 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-195-9231. Primary manufacturer part number: N321850357.
Features
  • Cap,valve — FSC 4820
  • Material Document and Classification: ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
  • Material: STEEL
  • Valve Type for Which Designed: FLUID PRESSURE REGULATING
  • Valve Model Number for Which Designed: CLASS HNS-5
  • Attachment Method: BOLTS
  • Valve Size for Which Designed: 0.750 INCHES AND 1.000 INCHES AND 1.250 INCHES IN
  • 6 verified cross-references
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Cap,valve, cataloged under National Stock Number 4820-01-195-9231, 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 6 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-195-9231
Primary Part NumberN321850357
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Material Document and ClassificationASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE
MaterialSTEEL
Valve Type for Which DesignedFLUID PRESSURE REGULATING
Valve Model Number for Which DesignedCLASS HNS-5
Attachment MethodBOLTS
Valve Size for Which Designed0.750 INCHES AND 1.000 INCHES AND 1.250 INCHES IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
5331-00-013-778432185 INTERCHANGEABLE
O-Ring
Garrison Manufacturing Inc
6130-00-240-243639-685 INTERCHANGEABLE
Charger,battery
Applied Power Inc Power Packer
4820-01-084-8374N571490059 INTERCHANGEABLE
Push Rod,valve,regulating,fluid
Leslie Controls, Inc. Dba Leslie Controls Inc
5305-01-190-5765SL/6-32X1/N INTERCHANGEABLE
Screw,cap,socket Head
Apm Hexseal Corp
4820-01-195-9232N56741 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-195-9233N528970357 INTERCHANGEABLE
Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5340-01-196-0646N16908 INTERCHANGEABLE
Seat,helical Compression Spring
Leslie Controls, Inc. Dba Leslie Controls Inc
5310-01-348-831632185 INTERCHANGEABLE
Nut,plain,hexagon
Accuride Corporation Dba Accuride Distributing Llc
6150-01-601-914032185 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cables to Go
6515-01-607-6997TICS.27.10469 INTERCHANGEABLE
Cuff,sphygmomanometer
Tribalco Llc
Cross-Reference Index
Part NumberManufacturer
32185 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
2172ON PIECE 35 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N321850357 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N32180357 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
32185-0357 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
2172ON Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5331-00-013-7784INTERCHANGEABLE
O-RING
32185
6130-00-240-2436INTERCHANGEABLE
CHARGER,BATTERY
39-685
4820-01-084-8374INTERCHANGEABLE
PUSH ROD,VALVE,REGULATING,FLUID
N571490059
5305-01-190-5765INTERCHANGEABLE
SCREW,CAP,SOCKET HEAD
SL/6-32X1/N
4820-01-195-9232INTERCHANGEABLE
CAP,VALVE
N56741
4820-01-195-9233INTERCHANGEABLE
CAP,VALVE
N528970357
5340-01-196-0646INTERCHANGEABLE
SEAT,HELICAL COMPRESSION SPRING
N16908
5310-01-348-8316INTERCHANGEABLE
NUT,PLAIN,HEXAGON
32185
6150-01-601-9140INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
32185
6515-01-607-6997INTERCHANGEABLE
CUFF,SPHYGMOMANOMETER
TICS.27.10469

Frequently Asked Questions

What is NSN 4820-01-195-9231?

NSN 4820-01-195-9231 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 4820-01-195-9231?

NSN 4820-01-195-9231 has 6 cross-referenced part numbers: 32185 (Leslie Controls, Inc. Dba Leslie Controls Inc), 2172ON PIECE 35 (Leslie Controls, Inc. Dba Leslie Controls Inc), N321850357 (Leslie Controls, Inc. Dba Leslie Controls Inc), N32180357 (Leslie Controls, Inc. Dba Leslie Controls Inc), 32185-0357 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 1 more.

What NSN replaces 4820-01-195-9231?

There are 10 known substitutes for 4820-01-195-9231: 5331-00-013-7784, 6130-00-240-2436, 4820-01-084-8374 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N321850357?

Key specifications for N321850357: Material Document and Classification: ASTM A216, GRADE WCB ASSN STD SINGLE MATERIAL RESPONSE; Material: STEEL; Valve Type for Which Designed: FLUID PRESSURE REGULATING; Valve Model Number for Which Designed: CLASS HNS-5. 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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