NSN 2990-01-267-5251 · NIIN 012675251 · Part number 14240-21
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft · FSG 29 — Engine Accessories · CAGE 41387
Government record, cited
NSN 2990-01-267-5251 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-267-5251. Manufacturer of record part number: 14240-21.
Manufacturer: Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
General Description
The Diaphragm Assembly, cataloged under National Stock Number 2990-01-267-5251, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
No interchangeability data on file.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2990-00-001-0001
BLOWER ASSEMBLY
2990-00-001-1248
2990-00-001-1248 · Item name not on file
2990-00-001-1250
2990-00-001-1250 · Item name not on file
2990-00-001-2055
2990-00-001-2055 · Item name not on file
2990-00-001-3498
2990-00-001-3498 · Item name not on file
2990-00-001-3520
2990-00-001-3520 · Item name not on file
2990-00-001-3521
2990-00-001-3521 · Item name not on file
2990-00-001-3522
CAP ASSEMBLY,MUFFLE
Frequently Asked Questions
What is NSN 2990-01-267-5251?
NSN 2990-01-267-5251 is a Diaphragm Assembly, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-267-5251?
NSN 2990-01-267-5251 has 2 manufacturer part numbers on file: 4297PL-ITEM7F (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives), 14240-21 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).
Is NSN 2990-01-267-5251 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.