The Igniter,spark,gas Turbine Engine, cataloged under National Stock Number 2925-00-728-4558, is classified within Federal Supply Class 2925 (No Item Name Available) of the Engine Accessories group. The primary manufacturer of record is Champion Aerospace Llc. Government technical data includes 6 verified specifications, 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.
| Parameter | Value |
|---|---|
| NSN | 2925-00-728-4558 |
| Primary Part Number | AA33SD |
| Item Name | Igniter,spark,gas Turbine Engine |
| FSC / FSG | 2925 / 29 — No Item Name Available |
| Manufacturer | Champion Aerospace Llc |
| Status | ACTIVE |
| Mounting Method | THREAD |
| Polarization Feature | NOT INCLUDED |
| Plug Design | STRAIGHT |
| Diameter | 0.987 INCHES NOMINAL IN |
| Length | 4.665 INCHES NOMINAL IN |
| Mounting Facility Thread Size | 3/4-20 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 2925-00-728-4558 is a Igniter,spark,gas Turbine Engine, manufactured by Champion Aerospace Llc, classified under FSC 2925 (No Item Name Available). Status: active.
NSN 2925-00-728-4558 has 4 cross-referenced part numbers: AA33SC (Champion Aerospace Llc), AA33SD (Champion Aerospace Llc), AA33S (Champion Aerospace Llc), 424848 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There are 3 known substitutes for 2925-00-728-4558: 5315-00-042-4848, 3110-00-142-4362, 4810-01-218-7638. Verify interchangeability with system specifications before substitution.
Key specifications for AA33SD: Mounting Method: THREAD; Polarization Feature: NOT INCLUDED; Plug Design: STRAIGHT; Diameter: 0.987 INCHES NOMINAL IN. 6 total characteristics are documented in the Federal Logistics Information System.