PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

840756Trunnion

David Brown Hydraulics Inc Dba Hydreco · NSN 4320-00-518-1214 · FSC 4320 · No Item Name Available
Verified by PartsTable
NSN 4320-00-518-1214 — this item is cataloged by the U.S. Government under National Stock Number 4320-00-518-1214. Primary manufacturer part number: 840756.
Features
  • Trunnion — FSC 4320
  • General Characteristics Item Description: STEEL,2.128 IN. O/A LG,3.375 IN. OD OF @FLANGE,0.319 IN. THK OF FLANGE,4 EA 0.250 IN. DIA OF HOLES FOR MOUNTING IN
  • 4 verified cross-references
  • Primary manufacturer: David Brown Hydraulics Inc Dba Hydreco
Applications
  • Hydraulic and pneumatic systems
  • Industrial process pumping
  • Military vehicle hydraulics
General Description

The Trunnion, cataloged under National Stock Number 4320-00-518-1214, is classified within Federal Supply Class 4320 (No Item Name Available) of the Pumps and Compressors group. The primary manufacturer of record is David Brown Hydraulics Inc Dba Hydreco. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN4320-00-518-1214
Primary Part Number840756
Item NameTrunnion
FSC / FSG4320 / 43 — No Item Name Available
ManufacturerDavid Brown Hydraulics Inc Dba Hydreco
StatusCANCELLED
General Characteristics Item DescriptionSTEEL,2.128 IN. O/A LG,3.375 IN. OD OF @FLANGE,0.319 IN. THK OF FLANGE,4 EA 0.250 IN. DIA OF HOLES FOR MOUNTING IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 3
6210-00-810-7251840028 INTERCHANGEABLE
Light,indicator
Panelight Components Group, Llc Dba Panelight Components Group Llc
4320-01-123-6993 INTERCHANGEABLE
Pump Assembly,boost
2530-01-390-1092 INTERCHANGEABLE
Link,brake Shoe,adjustment Lever
Cross-Reference Index
Part NumberManufacturer
840028 Eaton Aerospace, Llc Dba Jackson South (USA)
840756 Eaton Aerospace, Llc Dba Jackson South (USA)
840756 PRIMARY David Brown Hydraulics Inc Dba Hydreco (USA)
840028 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
6210-00-810-7251INTERCHANGEABLE
LIGHT,INDICATOR
840028
4320-01-123-6993INTERCHANGEABLE
PUMP ASSEMBLY,BOOST
2530-01-390-1092INTERCHANGEABLE
LINK,BRAKE SHOE,ADJUSTMENT LEVER

Frequently Asked Questions

What is NSN 4320-00-518-1214?

NSN 4320-00-518-1214 is a Trunnion, manufactured by David Brown Hydraulics Inc Dba Hydreco, classified under FSC 4320 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 4320-00-518-1214?

NSN 4320-00-518-1214 has 4 cross-referenced part numbers: 840028 (Eaton Aerospace, Llc Dba Jackson South), 840756 (Eaton Aerospace, Llc Dba Jackson South), 840756 (David Brown Hydraulics Inc Dba Hydreco), 840028 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 4320-00-518-1214?

There are 3 known substitutes for 4320-00-518-1214: 6210-00-810-7251, 4320-01-123-6993, 2530-01-390-1092. Verify interchangeability with system specifications before substitution.

What are the specifications of 840756?

Key specifications for 840756: General Characteristics Item Description: STEEL,2.128 IN. O/A LG,3.375 IN. OD OF @FLANGE,0.319 IN. THK OF FLANGE,4 EA 0.250 IN. DIA OF HOLES FOR MOUNTING IN. 1 total characteristics are documented in the Federal Logistics Information System.

Is NSN 4320-00-518-1214 still in active supply?

NSN 4320-00-518-1214 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

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