PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

30-2657Retainer,speed Brake

The Boeing Company Div Defense · NSN 1560-00-769-7040 · FSC 1560 · No Item Name Available
Verified by PartsTable
NSN 1560-00-769-7040 — this item is cataloged by the U.S. Government under National Stock Number 1560-00-769-7040. Primary manufacturer part number: 30-2657.
Features
  • Retainer,speed Brake — FSC 1560
  • General Characteristics Item Description: STEEL,MIL-S-6050
  • 1 verified cross-reference
  • Primary manufacturer: The Boeing Company Div Defense
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Retainer,speed Brake, cataloged under National Stock Number 1560-00-769-7040, 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN1560-00-769-7040
Primary Part Number30-2657
Item NameRetainer,speed Brake
FSC / FSG1560 / 15 — No Item Name Available
ManufacturerThe Boeing Company Div Defense
StatusACTIVE
General Characteristics Item DescriptionSTEEL,MIL-S-6050
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4320-00-398-8178302657 INTERCHANGEABLE
Ring,wearing
Curtiss-Wright Electro-Mechanical Corporation Div Epd
Cross-Reference Index
Part NumberManufacturer
30-2657 PRIMARY The Boeing Company Div Defense (USA)
Related Parts
4320-00-398-8178INTERCHANGEABLE
RING,WEARING
302657

Frequently Asked Questions

What is NSN 1560-00-769-7040?

NSN 1560-00-769-7040 is a Retainer,speed Brake, manufactured by The Boeing Company Div Defense, classified under FSC 1560 (No Item Name Available). Status: active.

What are the part numbers for NSN 1560-00-769-7040?

NSN 1560-00-769-7040 has 1 cross-referenced part number: 30-2657 (The Boeing Company Div Defense).

What NSN replaces 1560-00-769-7040?

There is 1 known substitute for 1560-00-769-7040: 4320-00-398-8178. Verify interchangeability with system specifications before substitution.

What are the specifications of 30-2657?

Key specifications for 30-2657: General Characteristics Item Description: STEEL,MIL-S-6050. 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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