PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

12379Sleeve,adjusting,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-217-4840 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-217-4840 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-217-4840. Primary manufacturer part number: 12379.
Features
  • Sleeve,adjusting,valve — FSC 4820
  • General Characteristics Item Description: STEEL,QQ-763,CLASS 410,COND.A;3.750 IN.LG;1.000 IN. DIA;0.875-14 UNF THREAD IN
  • 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
General Description

The Sleeve,adjusting,valve, cataloged under National Stock Number 4820-01-217-4840, 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-217-4840
Primary Part Number12379
Item NameSleeve,adjusting,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
General Characteristics Item DescriptionSTEEL,QQ-763,CLASS 410,COND.A;3.750 IN.LG;1.000 IN. DIA;0.875-14 UNF THREAD IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 11
5330-00-255-530412379 INTERCHANGEABLE
Seal,body
Allianz Sweeper Company
5330-00-285-4841 INTERCHANGEABLE
Seal,plain Encased
5330-00-872-635212389 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5330-01-068-3464757147 INTERCHANGEABLE
Seal,plain Encased
Air Armament Center/ En
4820-01-068-4389PDAN-2-13PSIA TO 20PSIG INTERCHANGEABLE
Valve,pilot
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-216-23709148N PIECE 31 AND 34 INTERCHANGEABLE
Flange Ring and Spring Blade Ass
Leslie Controls, Inc. Dba Leslie Controls Inc
4820-01-216-53649148N PIECE 24,46,47 INTERCHANGEABLE
Clamp,stem Assembly
Leslie Controls, Inc. Dba Leslie Controls Inc
6610-01-273-8885123-79 INTERCHANGEABLE
Hub,filter Spool
Avionics Specialties, Inc.
3020-01-342-156512379 INTERCHANGEABLE
Pulley,groove
DP Manufacturing Inc.
5920-01-488-832712379 INTERCHANGEABLE
Fuse,cartridge
Fibrebond Corp
Cross-Reference Index
Part NumberManufacturer
S4824H3219732 PIECE 16 Naval Ship Systems Command (USA)
12379 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S4824H3219732 Naval Ship Systems Command (USA)
Related Parts
5330-00-255-5304INTERCHANGEABLE
SEAL,BODY
12379
5330-00-285-4841INTERCHANGEABLE
SEAL,PLAIN ENCASED
5330-00-872-6352INTERCHANGEABLE
SEAL,PLAIN ENCASED
12389
5330-01-068-3464INTERCHANGEABLE
SEAL,PLAIN ENCASED
757147
4820-01-068-4389INTERCHANGEABLE
VALVE,PILOT
PDAN-2-13PSIA TO 20PSIG
4820-01-216-2370INTERCHANGEABLE
FLANGE RING AND SPRING BLADE ASS
9148N PIECE 31 AND 34
4820-01-216-5364INTERCHANGEABLE
CLAMP,STEM ASSEMBLY
9148N PIECE 24,46,47
6610-01-273-8885INTERCHANGEABLE
HUB,FILTER SPOOL
123-79
3020-01-342-1565INTERCHANGEABLE
PULLEY,GROOVE
12379
5920-01-488-8327INTERCHANGEABLE
FUSE,CARTRIDGE
12379
6680-01-527-6382INTERCHANGEABLE
BRACKET,PHOTOCELL
12379-1

Frequently Asked Questions

What is NSN 4820-01-217-4840?

NSN 4820-01-217-4840 is a Sleeve,adjusting,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 4820-01-217-4840?

NSN 4820-01-217-4840 has 3 cross-referenced part numbers: S4824H3219732 PIECE 16 (Naval Ship Systems Command), 12379 (Leslie Controls, Inc. Dba Leslie Controls Inc), S4824H3219732 (Naval Ship Systems Command).

What NSN replaces 4820-01-217-4840?

There are 11 known substitutes for 4820-01-217-4840: 5330-00-255-5304, 5330-00-285-4841, 5330-00-872-6352 and 8 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 12379?

Key specifications for 12379: General Characteristics Item Description: STEEL,QQ-763,CLASS 410,COND.A;3.750 IN.LG;1.000 IN. DIA;0.875-14 UNF THREAD IN. 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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