PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

56-564Retainer,helical Compression Spr

Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes) · NSN 5340-00-843-0908 · FSC 5340 · No Item Name Available
Verified by PartsTable
NSN 5340-00-843-0908 — this item is cataloged by the U.S. Government under National Stock Number 5340-00-843-0908. Primary manufacturer part number: 56-564.
Features
  • Retainer,helical Compression Spr — FSC 5340
  • Casehardening Indicator: NOT CASEHARDENED
  • Bolt Circle Diameter: 0.980 INCHES NOMINAL IN
  • Outside Chamfer Angle in Deg: 30.0
  • Outside Chamfer Depth: 0.050 INCHES NOMINAL IN
  • Inside Chamfer Angle in Deg: 45.0
  • Inside Chamfer Depth: 0.020 INCHES NOMINAL IN
  • Style Designator: IRREGULAR
Applications
  • Applications requiring Steel construction
General Description

The Retainer,helical Compression Spr, cataloged under National Stock Number 5340-00-843-0908, is classified within Federal Supply Class 5340 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes). Government technical data includes 13 verified specifications, 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active. Unit of issue: EA.

Technical Specifications
ParameterValue
NSN5340-00-843-0908
Primary Part Number56-564
Item NameRetainer,helical Compression Spr
FSC / FSG5340 / 53 — No Item Name Available
ManufacturerGoodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)
StatusACTIVE
Casehardening IndicatorNOT CASEHARDENED
Bolt Circle Diameter0.980 INCHES NOMINAL IN
Outside Chamfer Angle in Deg30.0
Outside Chamfer Depth0.050 INCHES NOMINAL IN
Inside Chamfer Angle in Deg45.0
Inside Chamfer Depth0.020 INCHES NOMINAL IN
Style DesignatorIRREGULAR
End Hole Diameter0.600 INCHES NOMINAL IN
MaterialSTEEL
Body Inside Diameter0.760 INCHES NOMINAL IN
Body Outside Diameter1.280 INCHES NOMINAL IN
Flange Thickness0.060 INCHES NOMINAL IN
Flange Diameter1.410 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Unit of IssueEA
Verified Substitutes 3
3040-00-570-3524SM-B-187110 INTERCHANGEABLE
Lever,remote Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
7690-01-297-5163 INTERCHANGEABLE
Marker,identification
5995-01-460-7375 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Cross-Reference Index
Part NumberManufacturer
56-564 PRIMARY Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes) (USA)
Related Parts
3040-00-570-3524INTERCHANGEABLE
LEVER,REMOTE CONTROL
SM-B-187110
7690-01-297-5163INTERCHANGEABLE
MARKER,IDENTIFICATION
5995-01-460-7375INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E

Frequently Asked Questions

What is NSN 5340-00-843-0908?

NSN 5340-00-843-0908 is a Retainer,helical Compression Spr, manufactured by Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes), classified under FSC 5340 (No Item Name Available). Status: active.

What are the part numbers for NSN 5340-00-843-0908?

NSN 5340-00-843-0908 has 1 cross-referenced part number: 56-564 (Goodrich Corporation Div Collins Aerospace, Landing Systems (wheels & Brakes)).

What NSN replaces 5340-00-843-0908?

There are 3 known substitutes for 5340-00-843-0908: 3040-00-570-3524, 7690-01-297-5163, 5995-01-460-7375. Verify interchangeability with system specifications before substitution.

What are the specifications of 56-564?

Key specifications for 56-564: Casehardening Indicator: NOT CASEHARDENED; Bolt Circle Diameter: 0.980 INCHES NOMINAL IN; Outside Chamfer Angle in Deg: 30.0; Outside Chamfer Depth: 0.050 INCHES NOMINAL IN. 14 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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