NSN 2590-01-426-4748 — this item is cataloged by the U.S. Government under National Stock Number 2590-01-426-4748. Manufacturer of record part number: 166848-100.
Manufacturer of record: Rtx Corporation Div Pratt & Whitney
Identification
NSN: 2590-01-426-4748
NIIN: 014264748
FSC: 2590 — Miscellaneous Vehicular Components
FSG: 25 — Vehicular Equipment Components
Primary part number: 166848-100
Manufacturer: Rtx Corporation Div Pratt & Whitney
General Description
The Louver,discharge, cataloged under National Stock Number 2590-01-426-4748, is classified within Federal Supply Class 2590 (Miscellaneous Vehicular Components) of the Vehicular Equipment Components group. The manufacturer of record is Rtx Corporation Div Pratt & Whitney. Government technical data includes 2 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 2590 — Miscellaneous Vehicular Components
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2590-00-006-7503
2590-00-006-7503 · Item name not on file
2590-00-007-2356
2590-00-007-2356 · Item name not on file
2590-01-151-9629
HYDROVAC
2590-01-445-9216
VALVE,AIR CONTROL
2590-01-468-7350
WINCH,DRUM,VEHICLE MOUNTING
2590-01-600-0314
VEHICULAR AMMO POUC
2590-01-600-0319
VEHICULAR AMMO POUCH
2590-01-608-6611
BRACKET,VEHICULAR COMPONENTS
Frequently Asked Questions
What is NSN 2590-01-426-4748?
NSN 2590-01-426-4748 is a Louver,discharge, manufactured by Rtx Corporation Div Pratt & Whitney, classified under FSC 2590, Miscellaneous Vehicular Components. Status: active.
What part numbers are listed for NSN 2590-01-426-4748?
NSN 2590-01-426-4748 has 1 manufacturer part number on file: 166848-100 (Rtx Corporation Div Pratt & Whitney).
What are the specifications of 166848-100?
Key specifications for 166848-100: Overall Diameter: 3.940 INCHES NOMINAL IN; Surface Treatment: PASSIVATE. 2 specifications are documented in the U.S. Government catalog.
Is NSN 2590-01-426-4748 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.