PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

33-2351Coupling,engine Control

The Boeing Company Div Defense · NSN 1560-00-876-5840 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-00-876-5840 — this item is cataloged by the U.S. Government under National Stock Number 1560-00-876-5840. Primary manufacturer part number: 33-2351.
Features
  • Coupling,engine Control — FSC 1560
  • General Characteristics Item Description: CRES,MIL-S-5059,18-8,AISI301,0.025 HARDNESS,CENTER HOLE FOR 0.188IN. BOLT IN
  • 1 verified cross-reference
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Mechanical power generation
  • Drive system operation
  • Auxiliary equipment operation
General Description

The Coupling,engine Control, cataloged under National Stock Number 1560-00-876-5840, 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 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN1560-00-876-5840
Primary Part Number33-2351
Item NameCoupling,engine Control
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusCANCELLED
General Characteristics Item DescriptionCRES,MIL-S-5059,18-8,AISI301,0.025 HARDNESS,CENTER HOLE FOR 0.188IN. BOLT IN
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 2
3455-00-736-0821 INTERCHANGEABLE
File,rotary
4520-01-074-74483-32-35-1 INTERCHANGEABLE
Heating Element,electrical,immer
Watlow Electric Manufacturing Co Dba Watlow
Cross-Reference Index
Part NumberManufacturer
33-2351 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
3455-00-736-0821INTERCHANGEABLE
FILE,ROTARY
4520-01-074-7448INTERCHANGEABLE
HEATING ELEMENT,ELECTRICAL,IMMER
3-32-35-1

Frequently Asked Questions

What is NSN 1560-00-876-5840?

NSN 1560-00-876-5840 is a Coupling,engine Control, manufactured by The Boeing Company Div Defense, classified under FSC 1560 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 1560-00-876-5840?

NSN 1560-00-876-5840 has 1 cross-referenced part number: 33-2351 (The Boeing Company Div Defense).

What NSN replaces 1560-00-876-5840?

There are 2 known substitutes for 1560-00-876-5840: 3455-00-736-0821, 4520-01-074-7448. Verify interchangeability with system specifications before substitution.

What are the specifications of 33-2351?

Key specifications for 33-2351: General Characteristics Item Description: CRES,MIL-S-5059,18-8,AISI301,0.025 HARDNESS,CENTER HOLE FOR 0.188IN. BOLT IN; End Item Identification: B-52 AIRCRAFT. 2 total characteristics are documented in the Federal Logistics Information System.

Is NSN 1560-00-876-5840 still in active supply?

NSN 1560-00-876-5840 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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