PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

183143Spring,helical,compression

Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney · NSN 5360-00-663-1101 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-663-1101 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-663-1101. Primary manufacturer part number: 183143.
Features
  • Spring,helical,compression — FSC 5360
  • Accommodated Rod Diameter: 0.550 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
  • Coil Helix Direction: RIGHT-HAND
  • Bore Diameter: 0.790 INCHES NOMINAL IN
  • Spring Deflection Rate: 57.000 POUNDS PER INCH NOMINAL LBS
  • Spring Free Outside Diameter: 0.780 INCHES NOMINAL IN
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-663-1101, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-663-1101
Primary Part Number183143
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerRtx Corporation Dba Pratt & Whitney Div Pratt &whitney
StatusACTIVE
Accommodated Rod Diameter0.550 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Coil Helix DirectionRIGHT-HAND
Bore Diameter0.790 INCHES NOMINAL IN
Spring Deflection Rate57.000 POUNDS PER INCH NOMINAL LBS
Spring Free Outside Diameter0.780 INCHES NOMINAL IN
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Inside Diameter0.620 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN
Spring Solid Length0.440 INCHES NOMINAL IN
Coil Quantity5.5
Spring Free Length1.124 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
4820-00-097-1587005-300-0013 INTERCHANGEABLE
Disk,valve
Emerson Automation Solutions Final Control Us Lp Div Navy Product Team
Cross-Reference Index
Part NumberManufacturer
183143 Atomic Energy Commission Oak Ridge Opns Office (USA)
183143 PRIMARY Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA)
183143 Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring (USA)
183143 Connecticut Spring & Stamping Corporation the Dba Connecticut Spring & Stamping Corp (USA)
183143 Hoffmann-Werke (DEU)
Related Parts
4820-00-097-1587INTERCHANGEABLE
DISK,VALVE
005-300-0013

Frequently Asked Questions

What is NSN 5360-00-663-1101?

NSN 5360-00-663-1101 is a Spring,helical,compression, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-663-1101?

NSN 5360-00-663-1101 has 5 cross-referenced part numbers: 183143 (Atomic Energy Commission Oak Ridge Opns Office), 183143 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 183143 (Dcp Spring Acquisition Company, Inc. Dba New England Spring Div New England Spring), 183143 (Connecticut Spring & Stamping Corporation the Dba Connecticut Spring & Stamping Corp), 183143 (Hoffmann-Werke).

What NSN replaces 5360-00-663-1101?

There is 1 known substitute for 5360-00-663-1101: 4820-00-097-1587. Verify interchangeability with system specifications before substitution.

What are the specifications of 183143?

Key specifications for 183143: Accommodated Rod Diameter: 0.550 INCHES NOMINAL IN; Style Designator: CYLINDRICAL; Coil Helix Direction: RIGHT-HAND; Bore Diameter: 0.790 INCHES NOMINAL IN. 11 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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