PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N12377Disk,nozzle Pin,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-186-8444 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-186-8444 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-186-8444. Primary manufacturer part number: N12377.
Features
  • Disk,nozzle Pin,valve — FSC 4820
  • General Characteristics Item Description: BRASS;1.762 IN. O/A LG;HEX SHAPE BODY 0.256 IN. ACROSS FLATS;BOTH ENDS TAPERED TO 35.0 DEG ANGLE;INCLUDES HEX NUT 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
General Description

The Disk,nozzle Pin,valve, cataloged under National Stock Number 4820-01-186-8444, 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 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-186-8444
Primary Part NumberN12377
Item NameDisk,nozzle Pin,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
General Characteristics Item DescriptionBRASS;1.762 IN. O/A LG;HEX SHAPE BODY 0.256 IN. ACROSS FLATS;BOTH ENDS TAPERED TO 35.0 DEG ANGLE;INCLUDES HEX NUT IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
5305-00-191-6222 INTERCHANGEABLE
Screw,machine
6145-00-393-40758860 INTERCHANGEABLE
Cable,power,electrical
Janor Wire & Cable Corp
2915-00-441-990812-377 INTERCHANGEABLE
Lobe,pump,fuel
Ontic Engineering & Manufacturing, Inc Dba Ontic Us
4820-00-622-681312377 INTERCHANGEABLE
Piston and Cup Assembly
Aerco International, Inc. Dba Aerco International Inc
5985-01-043-0141 INTERCHANGEABLE
Antenna
4730-01-212-027612377 INTERCHANGEABLE
Coupling,pipe
Westerbeke Corporation
2530-01-345-081512377 INTERCHANGEABLE
Piston,hydraulic Brake,master Cy
DP Manufacturing Inc.
6115-01-507-2426 INTERCHANGEABLE
Generator,alternating Current
6525-01-575-0673100-0877-01 INTERCHANGEABLE
Cover,foam Gasket Dust Assembly,
Minxray Inc
Cross-Reference Index
Part NumberManufacturer
12377 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N12377 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5305-00-191-6222INTERCHANGEABLE
SCREW,MACHINE
6145-00-393-4075INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
8860
2915-00-441-9908INTERCHANGEABLE
LOBE,PUMP,FUEL
12-377
4820-00-622-6813INTERCHANGEABLE
PISTON AND CUP ASSEMBLY
12377
5985-01-043-0141INTERCHANGEABLE
ANTENNA
4730-01-212-0276INTERCHANGEABLE
COUPLING,PIPE
12377
2530-01-345-0815INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE,MASTER CY
12377
6115-01-507-2426INTERCHANGEABLE
GENERATOR,ALTERNATING CURRENT
6525-01-575-0673INTERCHANGEABLE
COVER,FOAM GASKET DUST ASSEMBLY,
100-0877-01

Frequently Asked Questions

What is NSN 4820-01-186-8444?

NSN 4820-01-186-8444 is a Disk,nozzle Pin,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 4820-01-186-8444?

NSN 4820-01-186-8444 has 2 cross-referenced part numbers: 12377 (Leslie Controls, Inc. Dba Leslie Controls Inc), N12377 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-186-8444?

There are 9 known substitutes for 4820-01-186-8444: 5305-00-191-6222, 6145-00-393-4075, 2915-00-441-9908 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N12377?

Key specifications for N12377: General Characteristics Item Description: BRASS;1.762 IN. O/A LG;HEX SHAPE BODY 0.256 IN. ACROSS FLATS;BOTH ENDS TAPERED TO 35.0 DEG ANGLE;INCLUDES HEX NUT IN. 1 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