NSN 2990-01-617-4207 — this item is cataloged by the U.S. Government under National Stock Number 2990-01-617-4207. Manufacturer of record part number: FF-5L.
The Flange,exhaust Pipe, cataloged under National Stock Number 2990-01-617-4207, is classified within Federal Supply Class 2990 (Miscellaneous Engine Accessories, Nonaircraft) of the Engine Accessories group. The manufacturer of record is Applegate Industrial Materials, Incorporated. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 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 2990-01-617-4207?
NSN 2990-01-617-4207 is a Flange,exhaust Pipe, manufactured by Applegate Industrial Materials, Incorporated, classified under FSC 2990, Miscellaneous Engine Accessories, Nonaircraft. Status: active.
What part numbers are listed for NSN 2990-01-617-4207?
NSN 2990-01-617-4207 has 1 manufacturer part number on file: FF-5L (Applegate Industrial Materials, Incorporated).
What are the specifications of FF-5L?
Key specifications for FF-5L: Flange Shape: ROUND; Flange Diameter: 5.0 INCHES NOMINAL IN; Flange Face Design: RAISED; Flange Thickness: 1.438 INCHES NOMINAL IN. 5 specifications are documented in the U.S. Government catalog.
Is NSN 2990-01-617-4207 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.