PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

203503PC3Spring,helical,compression

Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier · NSN 5360-00-201-1388 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-201-1388 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-201-1388. Primary manufacturer part number: 203503PC3.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Deflection Rate: 368.000 POUNDS PER INCH NOMINAL LBS
  • Spring Free Length: 1.3125 INCHES NOMINAL IN
  • Material Document and Classification: JAN-S-1160,GRADE 2,COMP 5,TYPE B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Coil Quantity: 3
  • Inside Diameter: 1.500 INCHES MINIMUM IN
  • Material: STEEL OVERALL
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-201-1388, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-201-1388
Primary Part Number203503PC3
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerNavair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
StatusACTIVE
Spring Deflection Rate368.000 POUNDS PER INCH NOMINAL LBS
Spring Free Length1.3125 INCHES NOMINAL IN
Material Document and ClassificationJAN-S-1160,GRADE 2,COMP 5,TYPE B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Coil Quantity3
Inside Diameter1.500 INCHES MINIMUM IN
MaterialSTEEL OVERALL
Style DesignatorCYLINDRICAL
Spring Free Outside Diameter2.000 INCHES MAXIMUM IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Helix DirectionLEFT-HAND
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4130-00-142-0605 INTERCHANGEABLE
Pin,piston
3110-00-155-6845307SWI INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
2520-00-447-21804607 INTERCHANGEABLE
Seat
Eaton Corp Transmission Div
2910-00-463-3845 INTERCHANGEABLE
Carburetor,float
9540-00-542-2732 INTERCHANGEABLE
Angle,structural
3020-00-677-6260460-7 INTERCHANGEABLE
Gear,spur
Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc
2520-00-734-78837347883 INTERCHANGEABLE
Seat
U S Army Tank Automotive Command Amsta-Im-Mm
6145-00-923-4332 INTERCHANGEABLE
Cable,power,electrical
5985-01-169-9340460-7 INTERCHANGEABLE
Diplexer
Ems Technologies Inc Div Defense & Space Systems
5965-01-173-7519586-01 ITEM 20 INTERCHANGEABLE
Earphone Element
Hose-Mccann Telephone Co, Inc
Cross-Reference Index
Part NumberManufacturer
203503PC3 PRIMARY Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
28445-3 Eaton Aerospace, Llc Dba Jackson South (USA)
4607 Eaton Aerospace, Llc Dba Jackson South (USA)
Related Parts
4130-00-142-0605INTERCHANGEABLE
PIN,PISTON
3110-00-155-6845INTERCHANGEABLE
BEARING,BALL,ANNULAR
307SWI
2520-00-447-2180INTERCHANGEABLE
SEAT
4607
2910-00-463-3845INTERCHANGEABLE
CARBURETOR,FLOAT
9540-00-542-2732INTERCHANGEABLE
ANGLE,STRUCTURAL
3020-00-677-6260INTERCHANGEABLE
GEAR,SPUR
460-7
2520-00-734-7883INTERCHANGEABLE
SEAT
7347883
6145-00-923-4332INTERCHANGEABLE
CABLE,POWER,ELECTRICAL
5985-01-169-9340INTERCHANGEABLE
DIPLEXER
460-7
5965-01-173-7519INTERCHANGEABLE
EARPHONE ELEMENT
586-01 ITEM 20
3040-01-291-4588INTERCHANGEABLE
SHAFT,SHOULDERED
6930-01-304-3660INTERCHANGEABLE
GRAPHICS TABLE

Frequently Asked Questions

What is NSN 5360-00-201-1388?

NSN 5360-00-201-1388 is a Spring,helical,compression, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-201-1388?

NSN 5360-00-201-1388 has 3 cross-referenced part numbers: 203503PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 28445-3 (Eaton Aerospace, Llc Dba Jackson South), 4607 (Eaton Aerospace, Llc Dba Jackson South).

What NSN replaces 5360-00-201-1388?

There are 12 known substitutes for 5360-00-201-1388: 4130-00-142-0605, 3110-00-155-6845, 2520-00-447-2180 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 203503PC3?

Key specifications for 203503PC3: Spring Deflection Rate: 368.000 POUNDS PER INCH NOMINAL LBS; Spring Free Length: 1.3125 INCHES NOMINAL IN; Material Document and Classification: JAN-S-1160,GRADE 2,COMP 5,TYPE B-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Coil Quantity: 3. 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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