PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

N56507Diaphragm,actuator Valve,special

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-00-451-0275 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-451-0275 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-451-0275. Primary manufacturer part number: N56507.
Features
  • Diaphragm,actuator Valve,special — FSC 4820
  • Style Designator: SPECIAL SHAPED
  • Material: RUBBER AND PLASTIC
  • Outside Diameter: 2.265 INCHES NOMINAL IN
  • Center Hole Diameter: 0.112 INCHES NOMINAL IN
  • Shank Diameter: 1.790 INCHES NOMINAL IN
  • 2 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 Rubber and Plastic construction
General Description

The Diaphragm,actuator Valve,special, cataloged under National Stock Number 4820-00-451-0275, 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 5 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-451-0275
Primary Part NumberN56507
Item NameDiaphragm,actuator Valve,special
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
Style DesignatorSPECIAL SHAPED
MaterialRUBBER AND PLASTIC
Outside Diameter2.265 INCHES NOMINAL IN
Center Hole Diameter0.112 INCHES NOMINAL IN
Shank Diameter1.790 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5325-00-098-4139 INTERCHANGEABLE
Grommet,nonmetallic
1630-00-924-643156-507 INTERCHANGEABLE
Retainer,offset,nosewheel
Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
5340-01-232-77405654X-S INTERCHANGEABLE
Strap,retaining
Eastern Co Div Eberhard Manufacturing
8030-01-465-1390 INTERCHANGEABLE
Sealant
Cross-Reference Index
Part NumberManufacturer
N56507 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
56507 Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
5325-00-098-4139INTERCHANGEABLE
GROMMET,NONMETALLIC
1630-00-924-6431INTERCHANGEABLE
RETAINER,OFFSET,NOSEWHEEL
56-507
5340-01-232-7740INTERCHANGEABLE
STRAP,RETAINING
5654X-S
8030-01-465-1390INTERCHANGEABLE
SEALANT

Frequently Asked Questions

What is NSN 4820-00-451-0275?

NSN 4820-00-451-0275 is a Diaphragm,actuator Valve,special, 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 4820-00-451-0275?

NSN 4820-00-451-0275 has 2 cross-referenced part numbers: N56507 (Leslie Controls, Inc. Dba Leslie Controls Inc), 56507 (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-00-451-0275?

There are 4 known substitutes for 4820-00-451-0275: 5325-00-098-4139, 1630-00-924-6431, 5340-01-232-7740 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of N56507?

Key specifications for N56507: Style Designator: SPECIAL SHAPED; Material: RUBBER AND PLASTIC; Overall Height: 0.568 INCHES NOMINAL IN; Outside Diameter: 2.265 INCHES NOMINAL IN. 6 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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