PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A-573Spring,helical,compression

Essex Industries, Inc. Dba Essex Industries · NSN 5360-00-447-6288 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-447-6288 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-447-6288. Primary manufacturer part number: A-573.
Features
  • Spring,helical,compression — FSC 5360
  • End Style: SPRING END,PLAIN FIRST END
  • Inside Diameter: 0.178 INCHES NOMINAL IN
  • Reference Number Differentiating Characteristics: FUEL SYSTEM ENGINE AIRCRAFT
  • Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN
  • Material: COPPER ALLOY 511 OVERALL
  • End Style: SPRING END,SQUARED AND GROUND SECOND END
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Copper Alloy 511 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-447-6288, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Essex Industries, Inc. Dba Essex Industries. Government technical data includes 10 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-447-6288
Primary Part NumberA-573
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerEssex Industries, Inc. Dba Essex Industries
StatusACTIVE
End StyleSPRING END,PLAIN FIRST END
Inside Diameter0.178 INCHES NOMINAL IN
Reference Number Differentiating CharacteristicsFUEL SYSTEM ENGINE AIRCRAFT
Spring Free Outside Diameter0.250 INCHES NOMINAL IN
MaterialCOPPER ALLOY 511 OVERALL
End StyleSPRING END,SQUARED AND GROUND SECOND END
Style DesignatorCYLINDRICAL
Spring Free Length1.250 INCHES NOMINAL IN
Coil Quantity14-1/2
Coil Helix DirectionRIGHT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5310-00-382-8594A57-3 INTERCHANGEABLE
Washer,thick
Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc
3110-00-606-10501228997-1 INTERCHANGEABLE
Bearing,ball,annular
Mpb Corp Div Timken Super Precision
5915-00-683-70471988174PC4 INTERCHANGEABLE
Filter,radio Frequency Interfere
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5915-00-866-4280 INTERCHANGEABLE
Filter,radio Frequency Interfere
Cross-Reference Index
Part NumberManufacturer
A-573 Essex Industries, Inc. Dba Essex Industries (USA)
Related Parts
5310-00-382-8594INTERCHANGEABLE
WASHER,THICK
A57-3
3110-00-606-1050INTERCHANGEABLE
BEARING,BALL,ANNULAR
1228997-1
5915-00-683-7047INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
1988174PC4
5915-00-866-4280INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE

Frequently Asked Questions

What is NSN 5360-00-447-6288?

NSN 5360-00-447-6288 is a Spring,helical,compression, manufactured by Essex Industries, Inc. Dba Essex Industries, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-447-6288?

NSN 5360-00-447-6288 has 1 cross-referenced part number: A-573 (Essex Industries, Inc. Dba Essex Industries).

What NSN replaces 5360-00-447-6288?

There are 4 known substitutes for 5360-00-447-6288: 5310-00-382-8594, 3110-00-606-1050, 5915-00-683-7047 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A-573?

Key specifications for A-573: End Style: SPRING END,PLAIN FIRST END; Inside Diameter: 0.178 INCHES NOMINAL IN; Reference Number Differentiating Characteristics: FUEL SYSTEM ENGINE AIRCRAFT; Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN. 10 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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