PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N11123Disk,valve

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-036-1529 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-036-1529 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-036-1529. Primary manufacturer part number: N11123.
Features
  • Disk,valve — FSC 4820
  • Style Designator: POPPET
  • Flange Seat to Disk End Height: 1.375 INCHES NOMINAL IN
  • Tip Diameter: 0.422 INCHES NOMINAL IN
  • Seat Angle: 45.0 DEGREES NOMINAL
  • Shank Diameter: 0.430 INCHES NOMINAL IN
  • Material: STEEL
  • Under Flange Height: 2.280 INCHES NOMINAL IN
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-036-1529, 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 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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
NSN4820-00-036-1529
Primary Part NumberN11123
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Style DesignatorPOPPET
Flange Seat to Disk End Height1.375 INCHES NOMINAL IN
Tip Diameter0.422 INCHES NOMINAL IN
Seat Angle45.0 DEGREES NOMINAL
Shank Diameter0.430 INCHES NOMINAL IN
MaterialSTEEL
Under Flange Height2.280 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-108-9168 INTERCHANGEABLE
Bearing,ball,annular
2520-00-354-377011123 INTERCHANGEABLE
Disk,clutch,vehicular
Sachs-Boge of America
4730-00-491-9576 INTERCHANGEABLE
Adapter,straight,tube to Boss
6610-00-631-2715 INTERCHANGEABLE
Harness Assy
5340-00-687-337411114P11 INTERCHANGEABLE
Clamp,loop
Taylor Machine Works Inc
5315-00-798-1061 INTERCHANGEABLE
Pin,spring
4730-00-827-0094111-23 INTERCHANGEABLE
Nipple,tube
Crane Carrier Company, Llc
5330-01-013-712911123 INTERCHANGEABLE
Seal,plain Encased
Skf Usa Inc. Dba Skf Aerospace Sealing Solutions
5330-01-108-530212299346 INTERCHANGEABLE
Retainer,packing
U S Army Tank Automotive Command Amsta-Im-Mm
6515-01-139-8319 INTERCHANGEABLE
Curette,ear
Cross-Reference Index
Part NumberManufacturer
94732PC32 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
11123 Lineta Engineering Und Handelsgesell-Schaft Mbh (DEU)
11123 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
N11123 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
17390NPC12 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
3110-00-108-9168INTERCHANGEABLE
BEARING,BALL,ANNULAR
2520-00-354-3770INTERCHANGEABLE
DISK,CLUTCH,VEHICULAR
11123
4730-00-491-9576INTERCHANGEABLE
ADAPTER,STRAIGHT,TUBE TO BOSS
6610-00-631-2715INTERCHANGEABLE
HARNESS ASSY
5340-00-687-3374INTERCHANGEABLE
CLAMP,LOOP
11114P11
5315-00-798-1061INTERCHANGEABLE
PIN,SPRING
4730-00-827-0094INTERCHANGEABLE
NIPPLE,TUBE
111-23
5330-01-013-7129INTERCHANGEABLE
SEAL,PLAIN ENCASED
11123
5330-01-108-5302INTERCHANGEABLE
RETAINER,PACKING
12299346
6515-01-139-8319INTERCHANGEABLE
CURETTE,EAR
2990-01-173-9516INTERCHANGEABLE
MUFFLER,EXHAUST
MOMO9-0124
4820-01-218-3415INTERCHANGEABLE
SEAT,VALVE

Frequently Asked Questions

What is NSN 4820-00-036-1529?

NSN 4820-00-036-1529 is a Disk,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 4820-00-036-1529?

NSN 4820-00-036-1529 has 5 cross-referenced part numbers: 94732PC32 (Leslie Controls, Inc. Dba Leslie Controls Inc), 11123 (Lineta Engineering Und Handelsgesell-Schaft Mbh), 11123 (Leslie Controls, Inc. Dba Leslie Controls Inc), N11123 (Leslie Controls, Inc. Dba Leslie Controls Inc), 17390NPC12 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-036-1529?

There are 12 known substitutes for 4820-00-036-1529: 3110-00-108-9168, 2520-00-354-3770, 4730-00-491-9576 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N11123?

Key specifications for N11123: Style Designator: POPPET; Flange Seat to Disk End Height: 1.375 INCHES NOMINAL IN; Tip Diameter: 0.422 INCHES NOMINAL IN; Seat Angle: 45.0 DEGREES NOMINAL. 8 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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