PartsTable TECHNICAL DATA SHEET

JULY 2026Technical Data Sheet

N43445Stem,fluid Valve

Name: N43445
SKU: 4820-00-919-4803

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-919-4803 · FSC 4820 · No Item Name Available

Verified by PartsTable

NSN 4820-00-919-4803 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-919-4803. Primary manufacturer part number: N43445.

4820-00-919-4803 — No Item Name Available illustration

Features

Stem,fluid Valve — FSC 4820
Material: STEEL COMP 410
7 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 Comp 410 construction

General Description

The Stem,fluid Valve, cataloged under National Stock Number 4820-00-919-4803, 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 7 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	4820-00-919-4803
Primary Part Number	N43445
Item Name	Stem,fluid Valve
FSC / FSG	4820 / 48 — No Item Name Available
Manufacturer	Leslie Controls, Inc. Dba Leslie Controls Inc
Status	ACTIVE
Material	STEEL COMP 410

Lifecycle & Compliance

Acquisition Status	ACTIVE
HAZMAT	No

⇄ Verified Substitutes 8

4820-00-247-7683Y501782203 INTERCHANGEABLE

Valve,flow Control

Leslie Controls, Inc. Dba Leslie Controls Inc

5950-00-262-3216711843-1 INTERCHANGEABLE

Transformer,power

Raytheon Company Dba Raytheon

5330-00-286-7060450121 INTERCHANGEABLE

Seal,plain Encased

Federal-Mogul Corp Government Sales Dept

5310-00-957-100143445 INTERCHANGEABLE

Washer,slotted

Triumph Engine Control Systems Llc

4820-01-215-1629N50218 INTERCHANGEABLE

Retainer,trip Reset Handle

Leslie Controls, Inc. Dba Leslie Controls Inc

4820-01-270-5075N66100 INTERCHANGEABLE

Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc

4820-01-271-0204N47673 INTERCHANGEABLE

Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc

5910-01-490-686643-445 INTERCHANGEABLE

Capacitor,fixed,electrolytic

Triplett (bluffton) Corporation Dba Lfe Instruments

Cross-Reference Index

Part Number	Manufacturer
18823NPC15	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N43445 PRIMARY	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
18823NREVAPC15	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
27171NPC35	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
27171N	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
18823N	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
43445	Leslie Controls, Inc. Dba Leslie Controls Inc (USA)

Related Parts

4820-00-247-7683INTERCHANGEABLE

VALVE,FLOW CONTROL

Y501782203

5950-00-262-3216INTERCHANGEABLE

TRANSFORMER,POWER

711843-1

5330-00-286-7060INTERCHANGEABLE

SEAL,PLAIN ENCASED

450121

5310-00-957-1001INTERCHANGEABLE

WASHER,SLOTTED

43445

4820-01-215-1629INTERCHANGEABLE

RETAINER,TRIP RESET HANDLE

N50218

4820-01-270-5075INTERCHANGEABLE

DISK,VALVE

N66100

4820-01-271-0204INTERCHANGEABLE

DISK,VALVE

N47673

5910-01-490-6866INTERCHANGEABLE

CAPACITOR,FIXED,ELECTROLYTIC

43-445

Frequently Asked Questions

What is NSN 4820-00-919-4803?

NSN 4820-00-919-4803 is a Stem,fluid 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 4820-00-919-4803?

NSN 4820-00-919-4803 has 7 cross-referenced part numbers: 18823NPC15 (Leslie Controls, Inc. Dba Leslie Controls Inc), N43445 (Leslie Controls, Inc. Dba Leslie Controls Inc), 18823NREVAPC15 (Leslie Controls, Inc. Dba Leslie Controls Inc), 27171NPC35 (Leslie Controls, Inc. Dba Leslie Controls Inc), 27171N (Leslie Controls, Inc. Dba Leslie Controls Inc) and 2 more.

What NSN replaces 4820-00-919-4803?

There are 8 known substitutes for 4820-00-919-4803: 4820-00-247-7683, 5950-00-262-3216, 5330-00-286-7060 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N43445?

Key specifications for N43445: Material: STEEL COMP 410. 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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