PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SP-406Spring,helical,compression

Breeze-Eastern Llc · NSN 5360-00-630-5664 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-630-5664 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-630-5664. Primary manufacturer part number: SP-406.
Features
  • Spring,helical,compression — FSC 5360
  • Style Designator: CYLINDRICAL
  • Inside Diameter: 0.328 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND
  • Surface Treatment: CADMIUM AND CHROMATE OVERALL
  • Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
  • Spring Solid Outside Diameter: 0.490 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-630-5664, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Breeze-Eastern Llc. Government technical data includes 11 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-630-5664
Primary Part NumberSP-406
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerBreeze-Eastern Llc
StatusACTIVE
Style DesignatorCYLINDRICAL
Inside Diameter0.328 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Helix DirectionRIGHT-HAND
Surface TreatmentCADMIUM AND CHROMATE OVERALL
Surface Treatment Document and ClassificationQQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
Spring Solid Outside Diameter0.490 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
Spring Solid Length0.729 INCHES NOMINAL IN
Spring Free Outside Diameter0.490 INCHES MINIMUM AND 0.496 INCHES MAXIMUM IN
Spring Free Length1.375 INCHES NOMINAL IN
Coil Quantity9
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
5910-00-648-8973K-7111816-2 INTERCHANGEABLE
Capacitor,fixed,ceramic Dielectr
Lockheed Martin Corporation Div Rms
3120-00-737-88517378851 INTERCHANGEABLE
Bearing,sleeve
U S Army Tank Automotive Command Amsta-Im-Mm
3040-01-270-6529 INTERCHANGEABLE
Control Assembly,push-Pull
Cross-Reference Index
Part NumberManufacturer
SP-406 PRIMARY Breeze-Eastern Llc (USA)
0000040600 Breeze-Eastern Llc (USA)
Related Parts
5910-00-648-8973INTERCHANGEABLE
CAPACITOR,FIXED,CERAMIC DIELECTR
K-7111816-2
3120-00-737-8851INTERCHANGEABLE
BEARING,SLEEVE
7378851
3040-01-270-6529INTERCHANGEABLE
CONTROL ASSEMBLY,PUSH-PULL

Frequently Asked Questions

What is NSN 5360-00-630-5664?

NSN 5360-00-630-5664 is a Spring,helical,compression, manufactured by Breeze-Eastern Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-630-5664?

NSN 5360-00-630-5664 has 2 cross-referenced part numbers: SP-406 (Breeze-Eastern Llc), 0000040600 (Breeze-Eastern Llc).

What NSN replaces 5360-00-630-5664?

There are 3 known substitutes for 5360-00-630-5664: 5910-00-648-8973, 3120-00-737-8851, 3040-01-270-6529. Verify interchangeability with system specifications before substitution.

What are the specifications of SP-406?

Key specifications for SP-406: Style Designator: CYLINDRICAL; Inside Diameter: 0.328 INCHES MINIMUM AND 0.334 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Coil Helix Direction: RIGHT-HAND. 11 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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