PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

506553Spring,helical,compression

Army Weapons Command Attn Amswe-Ree-S · NSN 5360-00-050-6553 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-050-6553 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-050-6553. Primary manufacturer part number: 506553.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Solid Outside Diameter: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
  • Spring Free Length: 0.500 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • End Style: SPRING END,GROUND BOTH ENDS
  • Load Rating: 7.500 POUNDS NOMINAL LBS
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Material: STEEL UNS K08500 AND STEEL UNS K15047 OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Uns K08500 and Steel Uns K15047 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-050-6553, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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
NSN5360-00-050-6553
Primary Part Number506553
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerArmy Weapons Command Attn Amswe-Ree-S
StatusACTIVE
Spring Solid Outside Diameter0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Spring Free Length0.500 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
End StyleSPRING END,GROUND BOTH ENDS
Load Rating7.500 POUNDS NOMINAL LBS
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
MaterialSTEEL UNS K08500 AND STEEL UNS K15047 OVERALL
Spring Solid Length0.312 INCHES NOMINAL IN
Inside Diameter0.146 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN
Material Document and ClassificationQQ-W-470,COMP A FED SPEC 1ST MATERIAL RESPONSE AND QQ-W-412,COMP 1,TYPE 1 FED SPEC 2ND MATERIAL RESPONSE OVERALL
Coil Quantity9
Spring Length Under Load0.312 INCHES NOMINAL IN
Surface TreatmentPHOSPHATE OVERALL
Spring Free Outside Diameter0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4940-00-221-2446 INTERCHANGEABLE
Spray Outfit,paint
Cross-Reference Index
Part NumberManufacturer
506553 Army Weapons Command Attn Amswe-Ree-S (USA)
5995000506553 E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales
Related Parts
4940-00-221-2446INTERCHANGEABLE
SPRAY OUTFIT,PAINT

Frequently Asked Questions

What is NSN 5360-00-050-6553?

NSN 5360-00-050-6553 is a Spring,helical,compression, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-050-6553?

NSN 5360-00-050-6553 has 2 cross-referenced part numbers: 506553 (Army Weapons Command Attn Amswe-Ree-S), 5995000506553 (E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales).

What NSN replaces 5360-00-050-6553?

There is 1 known substitute for 5360-00-050-6553: 4940-00-221-2446. Verify interchangeability with system specifications before substitution.

What are the specifications of 506553?

Key specifications for 506553: Spring Solid Outside Diameter: 0.175 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Spring Free Length: 0.500 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; End Style: SPRING END,GROUND BOTH ENDS. 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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