PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

69-56943-1Retainer,helical Compression Spr

The Boeing Company Div Legacy Wichita · NSN 5340-01-182-7380 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-01-182-7380 — this item is cataloged by the U.S. Government under National Stock Number 5340-01-182-7380. Primary manufacturer part number: 69-56943-1.
Features
  • Retainer,helical Compression Spr — FSC 5340
  • Material Document and Classification: QQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763, CLASS 303SE, COND A FED SPEC 2ND MATERIAL RESPONSE
  • Material: STEEL COMP 303 OR STEEL COMP 303SE
  • Style Designator: IRREGULAR
  • FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM
  • Body Inside Diameter: 0.600 INCHES NOMINAL IN
  • Casehardening Indicator: NOT CASEHARDENED
  • Body Outside Diameter: 0.700 INCHES NOMINAL IN
Applications
  • Applications requiring Steel Comp 303 or Steel Comp 303SE construction
General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-01-182-7380, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Wichita. Government technical data includes 7 verified specifications, 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. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-01-182-7380
Primary Part Number69-56943-1
Item NameRetainer,helical Compression Spr
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerThe Boeing Company Div Legacy Wichita
StatusACTIVE
Material Document and ClassificationQQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763, CLASS 303SE, COND A FED SPEC 2ND MATERIAL RESPONSE
MaterialSTEEL COMP 303 OR STEEL COMP 303SE
Style DesignatorIRREGULAR
FSC Application DataAIRCRAFT HYDRAULIC SYSTEM
Body Inside Diameter0.600 INCHES NOMINAL IN
Casehardening IndicatorNOT CASEHARDENED
Body Outside Diameter0.700 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 1
1680-00-554-65928374-2 INTERCHANGEABLE
Shaft Assembly,flexible
Cef Industries, Llc Dba Cef Industries Inc
Cross-Reference Index
Part NumberManufacturer
69-56943 The Boeing Company Div Legacy Wichita (USA)
69-56943-1 PRIMARY The Boeing Company Div Legacy Wichita (USA)
Related Parts
1680-00-554-6592INTERCHANGEABLE
SHAFT ASSEMBLY,FLEXIBLE
8374-2

Frequently Asked Questions

What is NSN 5340-01-182-7380?

NSN 5340-01-182-7380 is a Retainer,helical Compression Spr, manufactured by The Boeing Company Div Legacy Wichita, classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-01-182-7380?

NSN 5340-01-182-7380 has 2 cross-referenced part numbers: 69-56943 (The Boeing Company Div Legacy Wichita), 69-56943-1 (The Boeing Company Div Legacy Wichita).

What NSN replaces 5340-01-182-7380?

There is 1 known substitute for 5340-01-182-7380: 1680-00-554-6592. Verify interchangeability with system specifications before substitution.

What are the specifications of 69-56943-1?

Key specifications for 69-56943-1: Material Document and Classification: QQ-S-763, CLASS 303, COND A FED SPEC 1ST MATERIAL RESPONSE AND QQ-S-763, CLASS 303SE, COND A FED SPEC 2ND MATERIAL RESPONSE; Material: STEEL COMP 303 OR STEEL COMP 303SE; Style Designator: IRREGULAR; FSC Application Data: AIRCRAFT HYDRAULIC SYSTEM. 8 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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