PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N09978Plug,plunger

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-103-0134 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-103-0134 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-103-0134. Primary manufacturer part number: N09978.
Features
  • Plug,plunger — FSC 4820
  • General Characteristics Item Description: BRASS 1 REQUIRED
  • 6 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Flow control in piping systems
  • Water treatment infrastructure
  • Industrial process control
General Description

The Plug,plunger, cataloged under National Stock Number 4820-01-103-0134, 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 6 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-103-0134
Primary Part NumberN09978
Item NamePlug,plunger
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
General Characteristics Item DescriptionBRASS 1 REQUIRED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-112-51217251087 INTERCHANGEABLE
Switch,toggle
General Motors Corp
2805-00-494-3413 INTERCHANGEABLE
Pin,piston
5955-00-499-7324712732-16 INTERCHANGEABLE
Crystal Unit,quartz
Raytheon Company Div Rmd Strategic
5950-00-937-9834SM-D-374910 INTERCHANGEABLE
Coil,radio Frequency
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
2520-01-035-8363 INTERCHANGEABLE
Clutch Assembly,friction
6520-01-057-654242-798 INTERCHANGEABLE
Forceps,tooth Extracting
Sklar Corporation Dba Sklar Instruments
4520-01-069-89312HN063B-13 INTERCHANGEABLE
Heating Element,electrical,nonim
Ari Industries Inc
5950-01-101-786413043751 INTERCHANGEABLE
Transformer,pulse
Raytheon Company Dba Raytheon
4820-01-122-3682U205950336 INTERCHANGEABLE
Valve,regulating,temperature
Leslie Controls, Inc. Dba Leslie Controls Inc
6680-01-188-507620541 INTERCHANGEABLE
Adapter,speedometer-Tachometer D
Ametek Inc Dba Ametek Iscd Div Iscd
Cross-Reference Index
Part NumberManufacturer
09978 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
20/5.4.1 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
9978 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
4820PL0954268 Jednolity Indeks Materialowy - Uniform Material Index (POL)
20-5-4-1 PART 35 REF RQ-2 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N09978 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5930-00-112-5121INTERCHANGEABLE
SWITCH,TOGGLE
7251087
2805-00-494-3413INTERCHANGEABLE
PIN,PISTON
5955-00-499-7324INTERCHANGEABLE
CRYSTAL UNIT,QUARTZ
712732-16
5950-00-937-9834INTERCHANGEABLE
COIL,RADIO FREQUENCY
SM-D-374910
2520-01-035-8363INTERCHANGEABLE
CLUTCH ASSEMBLY,FRICTION
6520-01-057-6542INTERCHANGEABLE
FORCEPS,TOOTH EXTRACTING
42-798
4520-01-069-8931INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,NONIM
2HN063B-13
5950-01-101-7864INTERCHANGEABLE
TRANSFORMER,PULSE
13043751
4820-01-122-3682INTERCHANGEABLE
VALVE,REGULATING,TEMPERATURE
U205950336
6680-01-188-5076INTERCHANGEABLE
ADAPTER,SPEEDOMETER-TACHOMETER D
20541
5940-01-438-2934INTERCHANGEABLE
TERMINAL BOARD
20-541
4210-01-588-4938INTERCHANGEABLE
CHARGE,FIRE EXTINGUISHER
20541

Frequently Asked Questions

What is NSN 4820-01-103-0134?

NSN 4820-01-103-0134 is a Plug,plunger, 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 4820-01-103-0134?

NSN 4820-01-103-0134 has 6 cross-referenced part numbers: 09978 (Leslie Controls, Inc. Dba Leslie Controls Inc), 20/5.4.1 (Leslie Controls, Inc. Dba Leslie Controls Inc), 9978 (Leslie Controls, Inc. Dba Leslie Controls Inc), 4820PL0954268 (Jednolity Indeks Materialowy - Uniform Material Index), 20-5-4-1 PART 35 REF RQ-2 (Leslie Controls, Inc. Dba Leslie Controls Inc) and 1 more.

What NSN replaces 4820-01-103-0134?

There are 12 known substitutes for 4820-01-103-0134: 5930-00-112-5121, 2805-00-494-3413, 5955-00-499-7324 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N09978?

Key specifications for N09978: General Characteristics Item Description: BRASS 1 REQUIRED. 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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