PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

19091Diffuser,assembly

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 1040-00-300-4248 · FSC 1040 · No Item Name Available
Verified by PartsTable
NSN 1040-00-300-4248 — this item is cataloged by the U.S. Government under National Stock Number 1040-00-300-4248. Primary manufacturer part number: 19091.
Features
  • Diffuser,assembly — FSC 1040
  • 3 verified cross-references
  • Primary manufacturer: L3harris Technologies, Inc. Div Space and Airborne Systems
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diffuser,assembly, cataloged under National Stock Number 1040-00-300-4248, is classified within Federal Supply Class 1040 (No Item Name Available) of the Weapons group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameDiffuser,assembly
FSC / FSG1040 — No Item Name Available (FSG 10)
ManufacturersNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (CAGE 10001); L3harris Technologies, Inc. Div Space and Airborne Systems (CAGE 82340); Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (CAGE 30003)
Technical Specifications
ParameterValue
NSN1040-00-300-4248
Primary Part Number19091
Item NameDiffuser,assembly
FSC / FSG1040 / 10 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5935-00-615-620558A5A143-2 INTERCHANGEABLE
Connector,plug,electrical
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
2530-00-870-724118004990 INTERCHANGEABLE
Cylinder Assembly,hydraulic Brak
General Motors Llc Dba General Motors Llc
5962-01-090-7666 INTERCHANGEABLE
Microcircuit
Cross-Reference Index
Part NumberManufacturer
54A50C10 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
19091 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
54A50C10 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
5935-00-615-6205INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
58A5A143-2
2530-00-870-7241INTERCHANGEABLE
CYLINDER ASSEMBLY,HYDRAULIC BRAK
18004990
5962-01-090-7666INTERCHANGEABLE
MICROCIRCUIT

Frequently Asked Questions

What is NSN 1040-00-300-4248?

NSN 1040-00-300-4248 is a Diffuser,assembly, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 1040 (No Item Name Available). Status: active.

What are the part numbers for NSN 1040-00-300-4248?

NSN 1040-00-300-4248 has 3 cross-referenced part numbers: 54A50C10 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 19091 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50C10 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 1040-00-300-4248?

There are 3 known substitutes for 1040-00-300-4248: 5935-00-615-6205, 2530-00-870-7241, 5962-01-090-7666. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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