PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N39050Cap,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-174-7806 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-174-7806 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-174-7806. Primary manufacturer part number: N39050.
Features
  • Cap,valve — FSC 4820
  • Outside Diameter: 1.688 INCHES NOMINAL IN
  • Material: COPPER ALLOY
  • Valve Size for Which Designed: 1.500 INCHES IN
  • Valve Model Number for Which Designed: HNS-3
  • Material Document and Classification: MIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE
  • Attachment Method: THREADED
  • Valve Type for Which Designed: FLUID PRESSURE REGULATING
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 4820-01-174-7806, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-174-7806
Primary Part NumberN39050
Item NameCap,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Outside Diameter1.688 INCHES NOMINAL IN
MaterialCOPPER ALLOY
Valve Size for Which Designed1.500 INCHES IN
Valve Model Number for Which DesignedHNS-3
Material Document and ClassificationMIL-C-895 MIL SPEC SINGLE MATERIAL RESPONSE
Attachment MethodTHREADED
Valve Type for Which DesignedFLUID PRESSURE REGULATING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4820-00-016-022232674-00-58 INTERCHANGEABLE
Seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
5950-00-645-782439050 INTERCHANGEABLE
Transformer,audio Frequency
Freed Transformer Co
4820-00-952-1198 INTERCHANGEABLE
Valve,regulating,fluid Pressure
4820-01-173-4672N32673 INTERCHANGEABLE
Retainer,seat,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-174-781316933 INTERCHANGEABLE
Disk,valve
Gemoco Div Chromalloy American Corp
4820-01-175-6404N32671 INTERCHANGEABLE
Plug,bottom Cap,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
4730-01-197-773632195-53 INTERCHANGEABLE
Flange,pipe
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
N39050 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
39050 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12914N PIECE 1 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12914N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-00-016-0222INTERCHANGEABLE
SEAT,VALVE
32674-00-58
5950-00-645-7824INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
39050
4820-00-952-1198INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
4820-01-173-4672INTERCHANGEABLE
RETAINER,SEAT,VALVE
N32673
4820-01-174-7813INTERCHANGEABLE
DISK,VALVE
16933
4820-01-175-6404INTERCHANGEABLE
PLUG,BOTTOM CAP,VALVE
N32671
4730-01-197-7736INTERCHANGEABLE
FLANGE,PIPE
32195-53

Frequently Asked Questions

What is NSN 4820-01-174-7806?

NSN 4820-01-174-7806 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 4820-01-174-7806?

NSN 4820-01-174-7806 has 4 cross-referenced part numbers: N39050 (Leslie Controls, Inc. Dba Leslie Controls Inc), 39050 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12914N PIECE 1 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12914N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-174-7806?

There are 7 known substitutes for 4820-01-174-7806: 4820-00-016-0222, 5950-00-645-7824, 4820-00-952-1198 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N39050?

Key specifications for N39050: Outside Diameter: 1.688 INCHES NOMINAL IN; Material: COPPER ALLOY; Valve Size for Which Designed: 1.500 INCHES IN; Valve Model Number for Which Designed: HNS-3. 8 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com