PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

90-7940-1Depressor,oil Cooler

The Boeing Company Div Defense · NSN 1560-00-621-4940 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-00-621-4940 — this item is cataloged by the U.S. Government under National Stock Number 1560-00-621-4940. Primary manufacturer part number: 90-7940-1.
Features
  • Depressor,oil Cooler — FSC 1560
  • General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-200-3
  • 2 verified cross-references
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Depressor,oil Cooler, cataloged under National Stock Number 1560-00-621-4940, is classified within Federal Supply Class 1560 (No Item Name Available) of the Aircraft and Airframe Components group. The primary manufacturer of record is The Boeing Company Div Defense. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1560-00-621-4940
Primary Part Number90-7940-1
Item NameDepressor,oil Cooler
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
General Characteristics Item DescriptionALUMINUM ALLOY,QQ-A-200-3
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
3110-00-107-7564 INTERCHANGEABLE
Bearing,ball,annular
Cross-Reference Index
Part NumberManufacturer
90-7940-1 PRIMARY The Boeing Company Div Defense (USA)
90-7940 The Boeing Company Div Defense (USA)
Related Parts
3110-00-107-7564INTERCHANGEABLE
BEARING,BALL,ANNULAR

Frequently Asked Questions

What is NSN 1560-00-621-4940?

NSN 1560-00-621-4940 is a Depressor,oil Cooler, manufactured by The Boeing Company Div Defense, classified under FSC 1560 (No Item Name Available). Status: active.

What are the part numbers for NSN 1560-00-621-4940?

NSN 1560-00-621-4940 has 2 cross-referenced part numbers: 90-7940-1 (The Boeing Company Div Defense), 90-7940 (The Boeing Company Div Defense).

What NSN replaces 1560-00-621-4940?

There is 1 known substitute for 1560-00-621-4940: 3110-00-107-7564. Verify interchangeability with system specifications before substitution.

What are the specifications of 90-7940-1?

Key specifications for 90-7940-1: General Characteristics Item Description: ALUMINUM ALLOY,QQ-A-200-3. 1 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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