NSN 2990-00-419-9045 — this item is cataloged by the U.S. Government under National Stock Number 2990-00-419-9045. Manufacturer of record part number: EY1400.
The Pipe,exhaust, cataloged under National Stock Number 2990-00-419-9045, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Maremont Corp. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 8 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 10 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
General Motors Corp Chevrolet Motor Div Special Products Dept
E4317Y3
5/9Secondary reference
Mahle Aftermarket Inc. Dba Ae Clevite Inc
93103
5/9Secondary reference
U.S. Government activity
Y3-8126
5/9Secondary reference
Airmaster Fan Company Dba Autumaire Fan
3910750
5/9Secondary reference
General Motors Corp Chevrolet Motor Div Special Products Dept
3976509
5/9Secondary reference
General Motors Corp Chevrolet Motor Div Special Products Dept
5H5179
3/2Design control — primary reference
U.S. Government activity
Y3-8126
5/9Secondary reference
Harvard Industries
Related Parts
4920-00-630-3989POSSIBLE MATCH
TEST UNIT,HYTROL
40-241
1650-00-730-0134POSSIBLE MATCH
PARTS KIT,VALVE,OVE
5930-01-158-9132POSSIBLE MATCH
GUARD,SWITCH
3110-01-266-8445POSSIBLE MATCH
BEARING,BALL,ANNULAR
40241
4710-01-271-7198POSSIBLE MATCH
TUBE ASSEMBLY,METAL
3910750
5342-01-315-4553POSSIBLE MATCH
WHEEL,TENSION
92-M4W
4820-01-317-0806POSSIBLE MATCH
SLIDE,DIRECTIONAL CONTROL LINEAR
3910750
4820-01-481-4146POSSIBLE MATCH
VALVE,REGULATING,FLUID PRESSURE
3110-01-633-1820POSSIBLE MATCH
NRP,FORCE TUBE,LSO
40241
5915-01-648-7354POSSIBLE MATCH
FILTER ASSEMBLY,ELECTRICAL
93103
Frequently Asked Questions
What is NSN 2990-00-419-9045?
NSN 2990-00-419-9045 is a Pipe,exhaust, manufactured by Maremont Corp, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-00-419-9045?
NSN 2990-00-419-9045 has 4 manufacturer part numbers on file: EY1400 (Maremont Corp), 3976509 (General Motors Llc Dba General Motors Llc), 40241 (Walker Mfg Co), EY1400 (General Dynamics - Ots, Inc.).
What NSN replaces 2990-00-419-9045?
10 possible matches (shared part number, not a government interchangeability claim): 4920-00-630-3989, 1650-00-730-0134, 5930-01-158-9132. Verify interchangeability with system specifications before substitution.
What are the specifications of EY1400?
Key specifications for EY1400: End Item Model Number: 1968; End Item Source: 11862; Nominal Overall Length: 28.000 INCHES IN; End Item Name: STATION WAGON. 6 specifications are documented in the U.S. Government catalog.
Is NSN 2990-00-419-9045 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.