PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

A43Spring,helical,compression

Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions · NSN 5360-00-290-8912 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-290-8912 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-290-8912. Primary manufacturer part number: A43.
Features
  • Spring,helical,compression — FSC 5360
  • Inside Diameter: 0.750 INCHES NOMINAL IN
  • Coil Helix Direction: RIGHT-HAND
  • Coil Quantity: 9-3/8
  • Spring Deflection Rate: 155.000 POUNDS PER INCH NOMINAL LBS
  • Spring Free Outside Diameter: 1.063 INCHES NOMINAL 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 5360-00-290-8912, 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 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 17 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-290-8912
Primary Part NumberA43
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
Inside Diameter0.750 INCHES NOMINAL IN
Coil Helix DirectionRIGHT-HAND
Coil Quantity9-3/8
Spring Deflection Rate155.000 POUNDS PER INCH NOMINAL LBS
Spring Free Outside Diameter1.063 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Style DesignatorCYLINDRICAL
Spring Free Length2.250 INCHES NOMINAL IN
Surface TreatmentCADMIUM OVERALL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 9
3030-00-504-1364 INTERCHANGEABLE
Belt,v
3030-00-529-0349 INTERCHANGEABLE
Belt,v
3030-00-555-308317451 GATOR BACK 20033566 INTERCHANGEABLE
Belt,v
Contitech Usa, Inc Dba Veyance Technologies
5945-00-643-5414 INTERCHANGEABLE
Solenoid,electrical
5905-00-644-9035A43 INTERCHANGEABLE
Resistor,variable,wire Wound,non
Clarostat Sensors and Controls
5950-00-943-9432 INTERCHANGEABLE
Transformer,audio Frequency
3030-01-133-8097A43 INTERCHANGEABLE
Belt,bearing
Carrier Corp
5810-01-375-0514A43 INTERCHANGEABLE
Telephone,secure Unit
National Security Agency
6750-01-426-9471A-43 INTERCHANGEABLE
Film,photographic
Fujifilm North America Corporation
Cross-Reference Index
Part NumberManufacturer
185450PC375-8 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
A43 Ashcroft Inc Dba Heise (USA)
185414-482 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185450PC375-8 Ingersoll Rand Co (USA)
185414-482 Ingersoll Rand Co (USA)
185450PC378-8 Siemens Energy, Inc. Dba Dresser-Rand (USA)
A43 PRIMARY Curtiss-Wright Electro-Mechanical Corporation Dba Curtiss-Wright Steam and Air Solutions Div Steam and Air Solutions (USA)
A43 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
A43 Ingersoll Rand Co (USA)
185414PC426 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
185414-482 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
185414PC426 Ingersoll Rand Co (USA)
185450PC378-8 Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture (USA)
185450PC375-8 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185414PC426 Siemens Energy, Inc. Dba Dresser-Rand (USA)
185450PC378-8 Ingersoll Rand Co (USA)
A43 Siemens Energy, Inc. Dba Dresser-Rand (USA)
Related Parts
3030-00-504-1364INTERCHANGEABLE
BELT,V
3030-00-529-0349INTERCHANGEABLE
BELT,V
3030-00-555-3083INTERCHANGEABLE
BELT,V
17451 GATOR BACK 20033566
5945-00-643-5414INTERCHANGEABLE
SOLENOID,ELECTRICAL
5905-00-644-9035INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
A43
5950-00-943-9432INTERCHANGEABLE
TRANSFORMER,AUDIO FREQUENCY
3030-01-133-8097INTERCHANGEABLE
BELT,BEARING
A43
5810-01-375-0514INTERCHANGEABLE
TELEPHONE,SECURE UNIT
A43
6750-01-426-9471INTERCHANGEABLE
FILM,PHOTOGRAPHIC
A-43

Frequently Asked Questions

What is NSN 5360-00-290-8912?

NSN 5360-00-290-8912 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 5360-00-290-8912?

NSN 5360-00-290-8912 has 17 cross-referenced part numbers: 185450PC375-8 (Dresser-Rand Co Ingersoll-Rand Opns a Joint Venture), A43 (Ashcroft Inc Dba Heise), 185414-482 (Siemens Energy, Inc. Dba Dresser-Rand), 185450PC375-8 (Ingersoll Rand Co), 185414-482 (Ingersoll Rand Co) and 12 more.

What NSN replaces 5360-00-290-8912?

There are 9 known substitutes for 5360-00-290-8912: 3030-00-504-1364, 3030-00-529-0349, 3030-00-555-3083 and 6 more. Verify interchangeability with system specifications before substitution.

What are the specifications of A43?

Key specifications for A43: Inside Diameter: 0.750 INCHES NOMINAL IN; Coil Helix Direction: RIGHT-HAND; Coil Quantity: 9-3/8; Spring Deflection Rate: 155.000 POUNDS PER INCH NOMINAL LBS. 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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