PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21903Spring,helical,compression

Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. · NSN 5360-00-320-2227 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-320-2227 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-320-2227. Primary manufacturer part number: 21903.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Solid Outside Diameter: 0.313 INCHES NOMINAL IN
  • Spring Length Under Load: 0.313 INCHES NOMINAL IN
  • Spring Free Outside Diameter: 0.313 INCHES NOMINAL IN
  • Coil Quantity: 5
  • Coil Helix Direction: RIGHT-HAND OR LEFT-HAND
  • Inside Diameter: 0.229 INCHES NOMINAL IN
  • Material: STEEL COMP 1090 OVERALL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Comp 1090 Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-320-2227, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.. Government technical data includes 13 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-320-2227
Primary Part Number21903
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerPratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
StatusACTIVE
Spring Solid Outside Diameter0.313 INCHES NOMINAL IN
Spring Length Under Load0.313 INCHES NOMINAL IN
Spring Free Outside Diameter0.313 INCHES NOMINAL IN
Coil Quantity5
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
Inside Diameter0.229 INCHES NOMINAL IN
MaterialSTEEL COMP 1090 OVERALL
Load Rating9.500 POUNDS MINIMUM AND 10.500 POUNDS MAXIMUM LBS
Surface TreatmentCADMIUM OVERALL
Material Document and ClassificationAMS 5112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Style DesignatorCYLINDRICAL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Solid Length0.375 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1650-00-083-403921903 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Mid-America Aerotech, Llc
3040-00-213-034121903 INTERCHANGEABLE
Extension Shaft
Alfa Laval Inc
5930-00-966-264521903-1 INTERCHANGEABLE
Switch,pressure
Solar Turbines Incorporated Dba Solar Turbines Incorporated
2920-01-003-5465CHS-6 INTERCHANGEABLE
Starter,engine,electrical
Machinery Components Inc
3460-01-363-815721903 INTERCHANGEABLE
Arbor,hole Saw
Black and Decker Us Inc
Cross-Reference Index
Part NumberManufacturer
21903 PRIMARY Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp. (CAN)
21903 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
Related Parts
1650-00-083-4039INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
21903
3040-00-213-0341INTERCHANGEABLE
EXTENSION SHAFT
21903
5930-00-966-2645INTERCHANGEABLE
SWITCH,PRESSURE
21903-1
2920-01-003-5465INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
CHS-6
3460-01-363-8157INTERCHANGEABLE
ARBOR,HOLE SAW
21903

Frequently Asked Questions

What is NSN 5360-00-320-2227?

NSN 5360-00-320-2227 is a Spring,helical,compression, manufactured by Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp., classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-320-2227?

NSN 5360-00-320-2227 has 2 cross-referenced part numbers: 21903 (Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.), 21903 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).

What NSN replaces 5360-00-320-2227?

There are 5 known substitutes for 5360-00-320-2227: 1650-00-083-4039, 3040-00-213-0341, 5930-00-966-2645 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21903?

Key specifications for 21903: Spring Solid Outside Diameter: 0.313 INCHES NOMINAL IN; Spring Length Under Load: 0.313 INCHES NOMINAL IN; Spring Free Outside Diameter: 0.313 INCHES NOMINAL IN; Coil Quantity: 5. 13 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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