PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

9148N PIECE 31 AND 34Flange Ring and Spring Blade Ass

Leslie Controls, Inc. Dba Leslie Controls Inc · NSN 4820-01-216-2370 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-01-216-2370 — this item is cataloged by the U.S. Government under National Stock Number 4820-01-216-2370. Primary manufacturer part number: 9148N PIECE 31 AND 34.
Features
  • Flange Ring and Spring Blade Ass — FSC 4820
  • General Characteristics Item Description: PHOSPHOR BRONZE SPRING BLADE,0.250 IN.THICK,1.094 IN.WIDTH,0.938 IN.LONG;HYDRAULIC BRONZE FLANGE RING,FOUR HOLES 0.219 IN.DIA.ON 2.125 IN.BOLT CIRCLE IN
  • 4 verified cross-references
  • Primary manufacturer: Leslie Controls, Inc. Dba Leslie Controls Inc
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Flange Ring and Spring Blade Ass, cataloged under National Stock Number 4820-01-216-2370, 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 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-01-216-2370
Primary Part Number9148N PIECE 31 AND 34
Item NameFlange Ring and Spring Blade Ass
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLeslie Controls, Inc. Dba Leslie Controls Inc
StatusACTIVE
General Characteristics Item DescriptionPHOSPHOR BRONZE SPRING BLADE,0.250 IN.THICK,1.094 IN.WIDTH,0.938 IN.LONG;HYDRAULIC BRONZE FLANGE RING,FOUR HOLES 0.219 IN.DIA.ON 2.125 IN.BOLT CIRCLE IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
4820-01-068-4389PDAN-2-13PSIA TO 20PSIG INTERCHANGEABLE
Valve,pilot
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
4820-01-217-484012379 INTERCHANGEABLE
Sleeve,adjusting,valve
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
9148N PIECE 31 AND 34 PRIMARY Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
S4824H3219732 PIECE 31 AND 34 Naval Ship Systems Command (USA)
S4824H3219732 Naval Ship Systems Command (USA)
9148N Leslie Controls, Inc. Dba Leslie Controls Inc (USA)
Related Parts
4820-01-068-4389INTERCHANGEABLE
VALVE,PILOT
PDAN-2-13PSIA TO 20PSIG
4820-01-216-5364INTERCHANGEABLE
CLAMP,STEM ASSEMBLY
9148N PIECE 24,46,47
4820-01-217-4840INTERCHANGEABLE
SLEEVE,ADJUSTING,VALVE
12379

Frequently Asked Questions

What is NSN 4820-01-216-2370?

NSN 4820-01-216-2370 is a Flange Ring and Spring Blade Ass, 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 4820-01-216-2370?

NSN 4820-01-216-2370 has 4 cross-referenced part numbers: 9148N PIECE 31 AND 34 (Leslie Controls, Inc. Dba Leslie Controls Inc), S4824H3219732 PIECE 31 AND 34 (Naval Ship Systems Command), S4824H3219732 (Naval Ship Systems Command), 9148N (Leslie Controls, Inc. Dba Leslie Controls Inc).

What NSN replaces 4820-01-216-2370?

There are 3 known substitutes for 4820-01-216-2370: 4820-01-068-4389, 4820-01-216-5364, 4820-01-217-4840. Verify interchangeability with system specifications before substitution.

What are the specifications of 9148N PIECE 31 AND 34?

Key specifications for 9148N PIECE 31 AND 34: General Characteristics Item Description: PHOSPHOR BRONZE SPRING BLADE,0.250 IN.THICK,1.094 IN.WIDTH,0.938 IN.LONG;HYDRAULIC BRONZE FLANGE RING,FOUR HOLES 0.219 IN.DIA.ON 2.125 IN.BOLT CIRCLE 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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