PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

52533ADisk,valve

Lexair Inc · NSN 4820-00-217-2815 · FSC 4820 · No Item Name Available
Verified by PartsTable
NSN 4820-00-217-2815 — this item is cataloged by the U.S. Government under National Stock Number 4820-00-217-2815. Primary manufacturer part number: 52533A.
Features
  • Disk,valve — FSC 4820
  • Media for Which Designed: AIR
  • Material: STEEL CORROSION RESISTING
  • 4 verified cross-references
  • Primary manufacturer: Lexair Inc
Applications
  • Flow control in piping systems
  • Pressure regulation
  • Steam and fluid isolation
  • Applications requiring Steel Corrosion Resisting construction
General Description

The Disk,valve, cataloged under National Stock Number 4820-00-217-2815, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Lexair Inc. Government technical data includes 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN4820-00-217-2815
Primary Part Number52533A
Item NameDisk,valve
FSC / FSG4820 / 48 — No Item Name Available
ManufacturerLexair Inc
StatusACTIVE
Media for Which DesignedAIR
MaterialSTEEL CORROSION RESISTING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
4820-00-341-3906P52-533 INTERCHANGEABLE
Valve,check
Circor Aerospace, Inc. Dba Circor Aerospace Inc
2530-00-350-64925590650 INTERCHANGEABLE
Filter,fluid
U S Army Tank Automotive Command Amsta-Im-Mm
3120-00-516-974315645A INTERCHANGEABLE
Bearing,sleeve
Itt Aerospace Controls Llc Dba Itt Aerospace Controls Unit S
3030-00-555-2950015645 INTERCHANGEABLE
Belt,v
Caterpillar Inc Div Caterpillar Defense
5910-00-930-6170P52533 INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Sprague Electric Co World Hqs
8145-01-229-240015645 INTERCHANGEABLE
Shipping and Storage Container,a
Naval Inventory Control Point
3010-01-306-4114 INTERCHANGEABLE
Gear Assembly,speed Decreaser
3030-01-322-096415645 INTERCHANGEABLE
Belt,v
Carlisle Power Transmission Products Inc
5310-01-580-3799 INTERCHANGEABLE
Nut,plain,hexagon
Cross-Reference Index
Part NumberManufacturer
52533A PRIMARY Lexair Inc (USA)
3216902REVAPC47 Naval Ship Systems Command (USA)
P52533 PRIMARY Lexair Inc (USA)
156/45 Wellman Group (GBR)
Related Parts
4820-00-341-3906INTERCHANGEABLE
VALVE,CHECK
P52-533
2530-00-350-6492INTERCHANGEABLE
FILTER,FLUID
5590650
3120-00-516-9743INTERCHANGEABLE
BEARING,SLEEVE
15645A
3030-00-555-2950INTERCHANGEABLE
BELT,V
015645
5910-00-930-6170INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
P52533
8145-01-229-2400INTERCHANGEABLE
SHIPPING AND STORAGE CONTAINER,A
15645
3010-01-306-4114INTERCHANGEABLE
GEAR ASSEMBLY,SPEED DECREASER
3030-01-322-0964INTERCHANGEABLE
BELT,V
15645
5310-01-580-3799INTERCHANGEABLE
NUT,PLAIN,HEXAGON

Frequently Asked Questions

What is NSN 4820-00-217-2815?

NSN 4820-00-217-2815 is a Disk,valve, manufactured by Lexair Inc, classified under FSC 4820 (No Item Name Available). Status: active.

What are the part numbers for NSN 4820-00-217-2815?

NSN 4820-00-217-2815 has 4 cross-referenced part numbers: 52533A (Lexair Inc), 3216902REVAPC47 (Naval Ship Systems Command), P52533 (Lexair Inc), 156/45 (Wellman Group).

What NSN replaces 4820-00-217-2815?

There are 9 known substitutes for 4820-00-217-2815: 4820-00-341-3906, 2530-00-350-6492, 3120-00-516-9743 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 52533A?

Key specifications for 52533A: Media for Which Designed: AIR; End Item Identification: 4310-00-912-3043,RECIPROCATING COMPRESSOR; Material: STEEL CORROSION RESISTING; Special Features: INCLUDES 1/4-28NF JAM NUT. 4 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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