PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

49-50-2Spring,helical,compression

Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives · NSN 5360-00-170-2988 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-170-2988 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-170-2988. Primary manufacturer part number: 49-50-2.
Features
  • Spring,helical,compression — FSC 5360
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND
  • Spring Free Length: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
  • Material: STEEL CORROSION RESISTING OVERALL
  • Spring Solid Length: 1.062 INCHES MAXIMUM IN
  • Inside Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
  • Coil Quantity: 6-3/4
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Corrosion Resisting Overall construction
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-170-2988, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives. Government technical data includes 12 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
NSN5360-00-170-2988
Primary Part Number49-50-2
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerSiemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives
StatusACTIVE
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Helix DirectionRIGHT-HAND
Spring Free Length1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN
MaterialSTEEL CORROSION RESISTING OVERALL
Spring Solid Length1.062 INCHES MAXIMUM IN
Inside Diameter0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN
Coil Quantity6-3/4
Style DesignatorCYLINDRICAL
Stock Diameter0.102 INCHES NOMINAL IN
Spring Free Outside Diameter0.954 INCHES NOMINAL IN
Spring Deflection Rate40.600 POUNDS PER INCH NOMINAL LBS
Spring Solid Outside Diameter0.954 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
3655-00-251-07064950-2 INTERCHANGEABLE
Cap,vinyl,pump-Out,protective
Provision, Inc. Dba Provision Inc
4310-01-273-03210049502 INTERCHANGEABLE
Cylinder Sleeve
Leroi International Inc Dba Compair Leroi
5995-01-314-989549502 INTERCHANGEABLE
Cable Assembly,special Purpose,e
Belden Wire and Cable Co Wire and Cable Office
5930-01-317-208549502 INTERCHANGEABLE
Switch Subassembly
Setra Systems, Inc. Dba Gems Sensors
1670-01-674-5323495-02 INTERCHANGEABLE
Frame,rescue,helicopter
Lifesaving Systems Llc
Cross-Reference Index
Part NumberManufacturer
4950-2 Zf Industrieantriebe Witten Gmbh (DEU)
49-50-2 PRIMARY Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives (USA)
Related Parts
3655-00-251-0706INTERCHANGEABLE
CAP,VINYL,PUMP-OUT,PROTECTIVE
4950-2
4310-01-273-0321INTERCHANGEABLE
CYLINDER SLEEVE
0049502
5995-01-314-9895INTERCHANGEABLE
CABLE ASSEMBLY,SPECIAL PURPOSE,E
49502
5930-01-317-2085INTERCHANGEABLE
SWITCH SUBASSEMBLY
49502
1670-01-674-5323INTERCHANGEABLE
FRAME,RESCUE,HELICOPTER
495-02

Frequently Asked Questions

What is NSN 5360-00-170-2988?

NSN 5360-00-170-2988 is a Spring,helical,compression, manufactured by Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-170-2988?

NSN 5360-00-170-2988 has 2 cross-referenced part numbers: 4950-2 (Zf Industrieantriebe Witten Gmbh), 49-50-2 (Siemens Industry, Inc. Dba Siemens Energy Div Process Industries and Drives).

What NSN replaces 5360-00-170-2988?

There are 5 known substitutes for 5360-00-170-2988: 3655-00-251-0706, 4310-01-273-0321, 5995-01-314-9895 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 49-50-2?

Key specifications for 49-50-2: End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Coil Helix Direction: RIGHT-HAND; Spring Free Length: 1.969 INCHES MINIMUM AND 2.031 INCHES MAXIMUM IN; Material: STEEL CORROSION RESISTING OVERALL. 12 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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