NSN 2990-01-284-1076 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-284-1076. Manufacturer of record part number: 3766P021.
General Characteristics Item Description: RECTANGULAR SHAPE W/ROUND PROTRUSION ON SIDE AT BOTTOM TO ACCOMMODATE A HOSE,TOP IS FLANGED W/MTG. HOLES TO ACCOMMODATE A GASKET
The Diffuser,turbosupercharger, cataloged under National Stock Number 2990-01-284-1076, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Perkins Engines Inc. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
Other items in FSC 2990 — Miscellaneous Engine Accessories, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
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Frequently Asked Questions
What is NSN 2990-01-284-1076?
NSN 2990-01-284-1076 is a Diffuser,turbosupercharger, manufactured by Perkins Engines Inc, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-284-1076?
NSN 2990-01-284-1076 has 2 manufacturer part numbers on file: 3766P021 (Perkins Engines Inc), M3766P021 (Tld Wollard Llc).
What are the specifications of 3766P021?
Key specifications for 3766P021: General Characteristics Item Description: RECTANGULAR SHAPE W/ROUND PROTRUSION ON SIDE AT BOTTOM TO ACCOMMODATE A HOSE,TOP IS FLANGED W/MTG. HOLES TO ACCOMMODATE A GASKET; End Item Identification: TRACTOR,TOW PSI MOBILE PRODUCTS CORP. MDL. MB-4. 1 specification is documented in the U.S. Government catalog.
Is NSN 2990-01-284-1076 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.