PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

40BSpring,helical,compression

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · NSN 5360-00-268-1053 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-268-1053 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-268-1053. Primary manufacturer part number: 40B.
Features
  • Spring,helical,compression — FSC 5360
  • Coil Helix Direction: LEFT-HAND
  • Spring Free Outside Diameter: 0.469 INCHES NOMINAL IN
  • Coil Quantity: 8
  • Style Designator: CYLINDRICAL
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Material: STEEL COMP 420 OVERALL
  • Material Document and Classification: QQ-S-763,CLASS 5,TYPE F FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 420 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-268-1053, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-268-1053
Primary Part Number40B
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerCurtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions
StatusACTIVE
Coil Helix DirectionLEFT-HAND
Spring Free Outside Diameter0.469 INCHES NOMINAL IN
Coil Quantity8
Style DesignatorCYLINDRICAL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
MaterialSTEEL COMP 420 OVERALL
Material Document and ClassificationQQ-S-763,CLASS 5,TYPE F FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Inside Diameter0.281 INCHES NOMINAL IN
Spring Free Length0.438 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
6630-00-171-51266630-00-171-5126 INTERCHANGEABLE
Tester,battery Electrolyte Solut
Kahl Scientific Instrument Corporation
6630-00-242-4459 INTERCHANGEABLE
Tester,battery Electrolyte Solut
6630-00-279-7196 INTERCHANGEABLE
Tester,battery Electrolyte Solut
3030-00-529-0359 INTERCHANGEABLE
Belt,v
5895-01-517-5792 INTERCHANGEABLE
Central,communications
4730-01-558-966340B INTERCHANGEABLE
Coupling Half,quick Disconnect
Parrish Enterprises, Ltd. Dba Pt Coupling Div Pt
Cross-Reference Index
Part NumberManufacturer
40B Siemens Energy, Inc. Dba Dresser-Rand (USA)
40B Dresser-Rand Co Worthington Compressor Opn a Joint Venture (USA)
40B PRIMARY Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
Related Parts
6630-00-171-5126INTERCHANGEABLE
TESTER,BATTERY ELECTROLYTE SOLUT
6630-00-171-5126
6630-00-242-4459INTERCHANGEABLE
TESTER,BATTERY ELECTROLYTE SOLUT
6630-00-279-7196INTERCHANGEABLE
TESTER,BATTERY ELECTROLYTE SOLUT
3030-00-529-0359INTERCHANGEABLE
BELT,V
5895-01-517-5792INTERCHANGEABLE
CENTRAL,COMMUNICATIONS
4730-01-558-9663INTERCHANGEABLE
COUPLING HALF,QUICK DISCONNECT
40B

Frequently Asked Questions

What is NSN 5360-00-268-1053?

NSN 5360-00-268-1053 is a Spring,helical,compression, manufactured by Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-268-1053?

NSN 5360-00-268-1053 has 3 cross-referenced part numbers: 40B (Siemens Energy, Inc. Dba Dresser-Rand), 40B (Dresser-Rand Co Worthington Compressor Opn a Joint Venture), 40B (Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions).

What NSN replaces 5360-00-268-1053?

There are 6 known substitutes for 5360-00-268-1053: 6630-00-171-5126, 6630-00-242-4459, 6630-00-279-7196 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 40B?

Key specifications for 40B: Coil Helix Direction: LEFT-HAND; Spring Free Outside Diameter: 0.469 INCHES NOMINAL IN; Coil Quantity: 8; Style Designator: CYLINDRICAL. 9 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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