PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21578-1Filtering Disk,fluid

Nuspace, Inc · NSN 1650-01-496-9519 · FSC 1650 · No Item Name Available
Verified by PartsTable
NSN 1650-01-496-9519 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-496-9519. Primary manufacturer part number: 21578-1.
Features
  • Filtering Disk,fluid — FSC 1650
  • Material: STEEL COMP 304 SCREENING
  • 2 verified cross-references
  • Primary manufacturer: Nuspace, Inc
Applications
  • Applications requiring Steel Comp 304 Screening construction
General Description

The Filtering Disk,fluid, cataloged under National Stock Number 1650-01-496-9519, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Nuspace, Inc. Government technical data includes 1 verified specification, 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1650-01-496-9519
Primary Part Number21578-1
Item NameFiltering Disk,fluid
FSC / FSG1650 / 16 — No Item Name Available
ManufacturerNuspace, Inc
StatusACTIVE
MaterialSTEEL COMP 304 SCREENING
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-117-0774MS17169-15 INTERCHANGEABLE
Bearing,roller,thrust
American Society for Testing and Materials Dba Astm International
4310-00-737-7858215781 INTERCHANGEABLE
Compressor,reciprocating
Bendix Commercial Vehicle Systems Llc Dba Bendix Commercial Vehicle Systems
4320-00-930-518921578 INTERCHANGEABLE
Diffuser
Itt Marlow a Unit of Itt Pumps and Compressors Div
6150-01-096-240021578 INTERCHANGEABLE
Wiring Harness,branched
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
5945-01-186-619421-578 INTERCHANGEABLE
Relay,electromagnetic
Te Connectivity Corporation
2990-01-218-201021578 INTERCHANGEABLE
Arrester,spark Exhaust
Walker Mfg Co
Cross-Reference Index
Part NumberManufacturer
21578-1 PRIMARY Nuspace, Inc (USA)
21578 Nuspace, Inc (USA)
Related Parts
3110-00-117-0774INTERCHANGEABLE
BEARING,ROLLER,THRUST
MS17169-15
4310-00-737-7858INTERCHANGEABLE
COMPRESSOR,RECIPROCATING
215781
4320-00-930-5189INTERCHANGEABLE
DIFFUSER
21578
6150-01-096-2400INTERCHANGEABLE
WIRING HARNESS,BRANCHED
21578
5945-01-186-6194INTERCHANGEABLE
RELAY,ELECTROMAGNETIC
21-578
2990-01-218-2010INTERCHANGEABLE
ARRESTER,SPARK EXHAUST
21578

Frequently Asked Questions

What is NSN 1650-01-496-9519?

NSN 1650-01-496-9519 is a Filtering Disk,fluid, manufactured by Nuspace, Inc, classified under FSC 1650 (No Item Name Available). Status: active.

What are the part numbers for NSN 1650-01-496-9519?

NSN 1650-01-496-9519 has 2 cross-referenced part numbers: 21578-1 (Nuspace, Inc), 21578 (Nuspace, Inc).

What NSN replaces 1650-01-496-9519?

There are 6 known substitutes for 1650-01-496-9519: 3110-00-117-0774, 4310-00-737-7858, 4320-00-930-5189 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21578-1?

Key specifications for 21578-1: Material: STEEL COMP 304 SCREENING; Special Features: NAME ASSIGNED BY CONTROLLING AGENCY - FILTER SCREEN ASSEMBLY; End Item Identification: E-3A A. 3 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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