PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N12856Seat,spring

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-036-1556 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1556 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1556. Primary manufacturer part number: N12856.
Features
  • Seat,spring — FSC 4820
  • 3 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Seat,spring, cataloged under National Stock Number 4820-00-036-1556, 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. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSeat,spring
FSC / FSG4820 — No Item Name Available (FSG 48)
ManufacturersLineta Engineering Und Handelsgesell-Schaft Mbh (CAGE C7220); Leslie Controls, Inc. Dba Leslie Controls Inc (CAGE 35795)
Technical Specifications
ParameterValue
NSN4820-00-036-1556
Primary Part NumberN12856
Item NameSeat,spring
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5307-00-207-803012856 INTERCHANGEABLE
Stud,plain
Stanadyne Corporation Dba Stanadyne Diesel Systems Div Diesel Systems
5940-00-221-5109 INTERCHANGEABLE
Terminal Board
5950-00-426-607917019 INTERCHANGEABLE
Transformer,power
Robert M. Hadley Company, Inc.
5340-00-436-1888R49SA1 INTERCHANGEABLE
Ferrule,grooved Clamp Coupling
The Boeing Company Div Defense
5310-00-543-4452 INTERCHANGEABLE
Nut,self-Locking,hexagon
1560-01-198-786512856 INTERCHANGEABLE
Element,outer,lube
Meggitt (north Hollywood), Inc. Dba Meggitt Control Systems Div Meggitt Defense Systems, Inc.
8120-01-597-412912856 INTERCHANGEABLE
Cylinder,compressed Gas,nitrogen
Amerex Corporation Dba Amerex Corp
Cross-Reference Index
Part NumberManufacturer
12856 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
N12856 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
12856 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5307-00-207-8030INTERCHANGEABLE
STUD,PLAIN
12856
5940-00-221-5109INTERCHANGEABLE
TERMINAL BOARD
5950-00-426-6079INTERCHANGEABLE
TRANSFORMER,POWER
17019
5340-00-436-1888INTERCHANGEABLE
FERRULE,GROOVED CLAMP COUPLING
R49SA1
5310-00-543-4452INTERCHANGEABLE
NUT,SELF-LOCKING,HEXAGON
1560-01-198-7865INTERCHANGEABLE
ELEMENT,OUTER,LUBE
12856
8120-01-597-4129INTERCHANGEABLE
CYLINDER,COMPRESSED GAS,NITROGEN
12856

Frequently Asked Questions

What is NSN 4820-00-036-1556?

NSN 4820-00-036-1556 is a Seat,spring, 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 4820-00-036-1556?

NSN 4820-00-036-1556 has 3 cross-referenced part numbers: 12856 (Lineta Engineering Und Handelsgesell-Schaft Mbh), N12856 (Leslie Controls, Inc. Dba Leslie Controls Inc), 12856 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-036-1556?

There are 7 known substitutes for 4820-00-036-1556: 5307-00-207-8030, 5940-00-221-5109, 5950-00-426-6079 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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