PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

1650378Diffuser,air,vehicular Heating a

Hyster-Yale Group, Inc. · NSN 2540-01-578-7393 · FSC 2540 · No Item Name Available
Verified by PartsTable
NSN 2540-01-578-7393 — this item is cataloged by the U.S. Government under National Stock Number 2540-01-578-7393. Primary manufacturer part number: 1650378.
Features
  • Diffuser,air,vehicular Heating a — FSC 2540
  • 2 verified cross-references
  • Primary manufacturer: Hyster-Yale Group, Inc.
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Diffuser,air,vehicular Heating a, cataloged under National Stock Number 2540-01-578-7393, is classified within Federal Supply Class 2540 (No Item Name Available) of the Vehicular Equipment Components group. The primary manufacturer of record is Hyster-Yale Group, Inc.. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN2540-01-578-7393
Primary Part Number1650378
Item NameDiffuser,air,vehicular Heating a
FSC / FSG2540 / 25 — No Item Name Available
ManufacturerHyster-Yale Group, Inc.
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
6515-01-709-044190201-8 INTERCHANGEABLE
Pump,surgical Suction Unit
Sscor, Inc.
Cross-Reference Index
Part NumberManufacturer
1650378 PRIMARY Hyster-Yale Group, Inc. (USA)
1650378 Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling (USA)
Related Parts
6515-01-709-0441INTERCHANGEABLE
PUMP,SURGICAL SUCTION UNIT
90201-8

Frequently Asked Questions

What is NSN 2540-01-578-7393?

NSN 2540-01-578-7393 is a Diffuser,air,vehicular Heating a, manufactured by Hyster-Yale Group, Inc., classified under FSC 2540 (No Item Name Available). Status: active.

What are the part numbers for NSN 2540-01-578-7393?

NSN 2540-01-578-7393 has 2 cross-referenced part numbers: 1650378 (Hyster-Yale Group, Inc.), 1650378 (Hyster-Yale Group, Inc. Div Hyster-Yale Materials Handling).

What NSN replaces 2540-01-578-7393?

There is 1 known substitute for 2540-01-578-7393: 6515-01-709-0441. Verify interchangeability with system specifications before substitution.

What are the specifications of 1650378?

Key specifications for 1650378: End Item Identification: HOIST, MAST GROUP; Special Features: USED ON THE EXHAUST SYSTEM; Part Name Assigned by Controlling Agency: DIFFUSER, EXHAUST. 3 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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