NSN 2840-00-021-4544 · NIIN 000214544 · Part number 589424
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · FSG 28 — Engines, Turbines, and Components · CAGE 77445
Government record, cited
NSN 2840-00-021-4544 — this item is cataloged by the U.S. Government under National Stock Number 2840-00-021-4544. Manufacturer of record part number: 589424.
Also searched as2840-00-021-4544 ·
2840000214544 ·
NIIN 000214544 ·
00-021-4544 ·
FSC 2840 Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components · CAGE 77445 · 589424
Nearby stock numbers← 2840-00-021-4325
·
2840-00-021-4545 Plate, Positioning, C →
Features
Mount,ignition Exc1 — FSC 2840
1 manufacturer part number on file
Manufacturer of record: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
Identification
NSN: 2840-00-021-4544
NIIN: 000214544
FSC: 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
FSG: 28 — Engines, Turbines, and Components
Primary part number: 589424
Manufacturer: Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney
General Description
The Mount,ignition Exc1, cataloged under National Stock Number 2840-00-021-4544, is classified within Federal Supply Class 2840 (Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components) of the Engines, Turbines, and Components group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Catalog Facts
Item Name
Mount,ignition Exc1
FSC / FSG
2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components (FSG 28)
Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
No interchangeability data on file.
Other items in FSC 2840 — Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2840-00-004-4242
2840-00-004-4242 · Item name not on file
2840-00-021-4702
PLATE,RETAINING,TUB
2840-00-043-0981
BRACKET ASSEMBLY,TUBING
2840-00-043-0982
BRACKET ASSEMBLY,TUBING
2840-00-048-5261
2840-00-048-5261 · Item name not on file
2840-00-407-9165
DIPSTICK,ENGINE
2840-01-171-0875
SEAL,FUEL
2840-01-171-0875
SEAL,FUEL
Frequently Asked Questions
What is NSN 2840-00-021-4544?
NSN 2840-00-021-4544 is a Mount,ignition Exc1, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 2840, Gas Turbines and Jet Engines, Aircraft, Prime Moving; and Components. Status: active.
What part numbers are listed for NSN 2840-00-021-4544?
NSN 2840-00-021-4544 has 1 manufacturer part number on file: 589424 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Is NSN 2840-00-021-4544 hazardous material?
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
Sources
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.