PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

44434Igniter,spark,fuel

Unison Industries Llc · NSN 4520-01-105-9788 · FSC 4520 · No Item Name Available
Verified by PartsTable
NSN 4520-01-105-9788 — this item is cataloged by the U.S. Government under National Stock Number 4520-01-105-9788. Primary manufacturer part number: 44434.
Features
  • Igniter,spark,fuel — FSC 4520
  • 3 verified cross-references
  • Primary manufacturer: Unison Industries Llc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Igniter,spark,fuel, cataloged under National Stock Number 4520-01-105-9788, is classified within Federal Supply Class 4520 (No Item Name Available) of the Plumbing, Heating, and Waste Disposal group. The primary manufacturer of record is Unison Industries Llc. This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameIgniter,spark,fuel
FSC / FSG4520 — No Item Name Available (FSG 45)
ManufacturersRolls-Royce Deutschland Ltd & Co Kg (CAGE D0272); Unison Industries Llc (CAGE 59501); Unison Industries, Llc Dba Unison Industries Inc (CAGE 83311)
Technical Specifications
ParameterValue
NSN4520-01-105-9788
Primary Part Number44434
Item NameIgniter,spark,fuel
FSC / FSG4520 / 45 — No Item Name Available
ManufacturerUnison Industries Llc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5961-00-052-2792 INTERCHANGEABLE
Transistor
5950-00-136-5556143681-000 INTERCHANGEABLE
Transformer,power
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
5365-01-081-805444434 INTERCHANGEABLE
Shim
Electro-Tec Corp Dba Moog Inc., Components Group
5305-01-119-0434A044434 INTERCHANGEABLE
Setscrew
L3 Technologies, Inc. Div L3 Keo
3455-01-174-5561SST24-4-4 INTERCHANGEABLE
Cutter,milling,end
Brubaker Tool Corp
5120-01-398-786900944434000 INTERCHANGEABLE
Socket,socket Wrench
Sears, Roebuck and Co. Dba Sears Div Sears Commercial
5305-01-549-599744434 INTERCHANGEABLE
Screw,cap,hexagon Head
Barnes Group Inc. Dba Barnes Distribution
Cross-Reference Index
Part NumberManufacturer
0287 8605 Rolls-Royce Deutschland Ltd & Co Kg (DEU)
44434 PRIMARY Unison Industries Llc (USA)
44434 Unison Industries, Llc Dba Unison Industries Inc (USA)
Related Parts
5961-00-052-2792INTERCHANGEABLE
TRANSISTOR
5950-00-136-5556INTERCHANGEABLE
TRANSFORMER,POWER
143681-000
5365-01-081-8054INTERCHANGEABLE
SHIM
44434
5305-01-119-0434INTERCHANGEABLE
SETSCREW
A044434
3455-01-174-5561INTERCHANGEABLE
CUTTER,MILLING,END
SST24-4-4
5120-01-398-7869INTERCHANGEABLE
SOCKET,SOCKET WRENCH
00944434000
5305-01-549-5997INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
44434

Frequently Asked Questions

What is NSN 4520-01-105-9788?

NSN 4520-01-105-9788 is a Igniter,spark,fuel, manufactured by Unison Industries Llc, classified under FSC 4520 (No Item Name Available). Status: active.

What are the part numbers for NSN 4520-01-105-9788?

NSN 4520-01-105-9788 has 3 cross-referenced part numbers: 0287 8605 (Rolls-Royce Deutschland Ltd & Co Kg), 44434 (Unison Industries Llc), 44434 (Unison Industries, Llc Dba Unison Industries Inc).

What NSN replaces 4520-01-105-9788?

There are 7 known substitutes for 4520-01-105-9788: 5961-00-052-2792, 5950-00-136-5556, 5365-01-081-8054 and 4 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com