PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

D15-646UPC664Spring,helical,compression

Westinghouse Electric Corp · NSN 5360-00-446-8796 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-446-8796 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-446-8796. Primary manufacturer part number: D15-646UPC664.
Features
  • Spring,helical,compression — FSC 5360
  • Spring Deflection Rate: 13.000 POUNDS PER INCH NOMINAL LBS
  • Spring Free Outside Diameter: 0.625 INCHES NOMINAL IN
  • Coil Helix Direction: LEFT-HAND
  • Inside Diameter: 0.500 INCHES NOMINAL IN
  • Surface Treatment: NICKEL OVERALL
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Spring Free Length: 1.938 INCHES NOMINAL IN
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 5360-00-446-8796, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Westinghouse Electric Corp. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 50 commercial cross-references from 3 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
NSN5360-00-446-8796
Primary Part NumberD15-646UPC664
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerWestinghouse Electric Corp
StatusACTIVE
Spring Deflection Rate13.000 POUNDS PER INCH NOMINAL LBS
Spring Free Outside Diameter0.625 INCHES NOMINAL IN
Coil Helix DirectionLEFT-HAND
Inside Diameter0.500 INCHES NOMINAL IN
Surface TreatmentNICKEL OVERALL
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Spring Free Length1.938 INCHES NOMINAL IN
MaterialSTEEL OVERALL
Coil Quantity12
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
6145-00-080-1486 INTERCHANGEABLE
Cable,special Purpose,electrical
5930-00-240-4247150A85 INTERCHANGEABLE
Switch,push
Raytheon Company Dba Raytheon Co
5910-00-251-9900 INTERCHANGEABLE
Capacitor,variable,plastic Diele
4510-00-276-78384258-SPEC INTERCHANGEABLE
Drain,multiple,waste
Connecticut Stamping and Bending Company, the Dba C S & B
2930-00-848-07728450 INTERCHANGEABLE
Pump,cooling System,engine
Elgin Industries Inc. Dba
5935-01-029-4068HBL8450A INTERCHANGEABLE
Connector,receptacle,electrical
Hubbell Incorporated (delaware) Dba Wiring Device-Kellems Division
4910-01-181-5917229899 INTERCHANGEABLE
Cylinder Seal
Mcneil Ohio Corp
7690-01-224-64118450 INTERCHANGEABLE
Marker,identification
American Wyott Corporation Dba Apw Wyott Food Service Equipment
6505-01-231-7302 INTERCHANGEABLE
Sodium Bicarbonate Injection
5340-01-255-51488450 INTERCHANGEABLE
Standoff,threaded,spacing
Halsit Holdings Llc Div Halsit Holdings, Llc Dba Abbatron
Cross-Reference Index
Part NumberManufacturer
D15-646UPC664 Westinghouse Electric Corp (USA)
D15-651QPC785 Westinghouse Electric Corp (USA)
D15-770RPC664 Westinghouse Electric Corp (USA)
D15-646UPC664 Westinghouse Electric Corp Sturtevant Div (USA)
D15-509BPC785 Westinghouse Electric Corp Sturtevant Div (USA)
D15-699UPC785 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-651BPC785 Westinghouse Electric Corp (USA)
D15-494PPC705 Westinghouse Electric Corp Sturtevant Div (USA)
D15-494KPC705 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-439PPC471 Westinghouse Electric Corp (USA)
D15-621BPC471 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-680BPC565 Westinghouse Electric Corp (USA)
D15-494PPC705 Westinghouse Electric Corp (USA)
D15-694QPC722 Westinghouse Electric Corp Sturtevant Div (USA)
D15-699BPC785 Westinghouse Electric Corp Sturtevant Div (USA)
D15-704QPC785 Westinghouse Electric Corp (USA)
D15-631QPC705 Northrop Grumman Systems Corporation Div Marine Systems (USA)
D15-439BPC471 Westinghouse Electric Corp (USA)
D15-694BPC722 Westinghouse Electric Corp (USA)
D15-694QPC722 Westinghouse Electric Corp (USA)
Related Parts
6145-00-080-1486INTERCHANGEABLE
CABLE,SPECIAL PURPOSE,ELECTRICAL
5930-00-240-4247INTERCHANGEABLE
SWITCH,PUSH
150A85
5910-00-251-9900INTERCHANGEABLE
CAPACITOR,VARIABLE,PLASTIC DIELE
4510-00-276-7838INTERCHANGEABLE
DRAIN,MULTIPLE,WASTE
4258-SPEC
2930-00-848-0772INTERCHANGEABLE
PUMP,COOLING SYSTEM,ENGINE
8450
5935-01-029-4068INTERCHANGEABLE
CONNECTOR,RECEPTACLE,ELECTRICAL
HBL8450A
4910-01-181-5917INTERCHANGEABLE
CYLINDER SEAL
229899
7690-01-224-6411INTERCHANGEABLE
MARKER,IDENTIFICATION
8450
6505-01-231-7302INTERCHANGEABLE
SODIUM BICARBONATE INJECTION
5340-01-255-5148INTERCHANGEABLE
STANDOFF,THREADED,SPACING
8450
4310-01-274-1851INTERCHANGEABLE
RING,PISTON
8450
5325-01-320-4501INTERCHANGEABLE
RING,RETAINING
8450

Frequently Asked Questions

What is NSN 5360-00-446-8796?

NSN 5360-00-446-8796 is a Spring,helical,compression, manufactured by Westinghouse Electric Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-446-8796?

NSN 5360-00-446-8796 has 50 cross-referenced part numbers: D15-646UPC664 (Westinghouse Electric Corp), D15-651QPC785 (Westinghouse Electric Corp), D15-770RPC664 (Westinghouse Electric Corp), D15-646UPC664 (Westinghouse Electric Corp Sturtevant Div), D15-509BPC785 (Westinghouse Electric Corp Sturtevant Div) and 45 more.

What NSN replaces 5360-00-446-8796?

There are 12 known substitutes for 5360-00-446-8796: 6145-00-080-1486, 5930-00-240-4247, 5910-00-251-9900 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of D15-646UPC664?

Key specifications for D15-646UPC664: Spring Deflection Rate: 13.000 POUNDS PER INCH NOMINAL LBS; Spring Free Outside Diameter: 0.625 INCHES NOMINAL IN; Coil Helix Direction: LEFT-HAND; Inside Diameter: 0.500 INCHES NOMINAL IN. 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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