PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

20516Spring,helical,compression

L3harris Technologies, Inc. Div Space and Airborne Systems · NSN 5360-00-300-4231 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-300-4231 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-300-4231. Primary manufacturer part number: 20516.
Features
  • Spring,helical,compression — FSC 5360
  • Style Designator: CYLINDRICAL
  • Spring Deflection Rate: 4.600 POUNDS PER INCH NOMINAL LBS
  • Coil Helix Direction: RIGHT-HAND
  • End Style: SPRING END,SQUARED AND GROUND BOTH ENDS
  • Coil Quantity: 14
  • Spring Solid Length: 1.290 INCHES NOMINAL IN
  • Inside Diameter: 1.066 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
General Description

The Spring,helical,compression, cataloged under National Stock Number 5360-00-300-4231, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is L3harris Technologies, Inc. Div Space and Airborne Systems. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-300-4231
Primary Part Number20516
Item NameSpring,helical,compression
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerL3harris Technologies, Inc. Div Space and Airborne Systems
StatusACTIVE
Style DesignatorCYLINDRICAL
Spring Deflection Rate4.600 POUNDS PER INCH NOMINAL LBS
Coil Helix DirectionRIGHT-HAND
End StyleSPRING END,SQUARED AND GROUND BOTH ENDS
Coil Quantity14
Spring Solid Length1.290 INCHES NOMINAL IN
Inside Diameter1.066 INCHES NOMINAL IN
Spring Free Length4.830 INCHES NOMINAL IN
Spring Free Outside Diameter1.250 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
5940-00-518-8452 INTERCHANGEABLE
Adapter,radio Frequency Cable
4730-00-678-9720205-16 INTERCHANGEABLE
Nut,tube Coupling
Lenz Inc Dba the Lenz Company
7510-01-060-589620516 INTERCHANGEABLE
Pencil Assortment,colored
Sanford Corp
5331-01-342-2545205-16 INTERCHANGEABLE
O-Ring
Cornell-Carr Co., Inc.
2915-01-420-394220516 INTERCHANGEABLE
Filter Element,fluid
Honeywell International Inc. Dba Honeywell International Div Aerospace - Phoenix
5950-01-445-0585672-0731-010 INTERCHANGEABLE
Transformer,power
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5331-01-644-831720516 INTERCHANGEABLE
O-Ring
Clemco Industries Corp. Dba Clemco Industries Corp Div Clemco
Cross-Reference Index
Part NumberManufacturer
54A50B171 Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA)
20516 PRIMARY L3harris Technologies, Inc. Div Space and Airborne Systems (USA)
54A50B171 Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA)
Related Parts
5940-00-518-8452INTERCHANGEABLE
ADAPTER,RADIO FREQUENCY CABLE
4730-00-678-9720INTERCHANGEABLE
NUT,TUBE COUPLING
205-16
7510-01-060-5896INTERCHANGEABLE
PENCIL ASSORTMENT,COLORED
20516
5331-01-342-2545INTERCHANGEABLE
O-RING
205-16
2915-01-420-3942INTERCHANGEABLE
FILTER ELEMENT,FLUID
20516
5950-01-445-0585INTERCHANGEABLE
TRANSFORMER,POWER
672-0731-010
5331-01-644-8317INTERCHANGEABLE
O-RING
20516

Frequently Asked Questions

What is NSN 5360-00-300-4231?

NSN 5360-00-300-4231 is a Spring,helical,compression, manufactured by L3harris Technologies, Inc. Div Space and Airborne Systems, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-300-4231?

NSN 5360-00-300-4231 has 3 cross-referenced part numbers: 54A50B171 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 20516 (L3harris Technologies, Inc. Div Space and Airborne Systems), 54A50B171 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).

What NSN replaces 5360-00-300-4231?

There are 7 known substitutes for 5360-00-300-4231: 5940-00-518-8452, 4730-00-678-9720, 7510-01-060-5896 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 20516?

Key specifications for 20516: Style Designator: CYLINDRICAL; Spring Deflection Rate: 4.600 POUNDS PER INCH NOMINAL LBS; Coil Helix Direction: RIGHT-HAND; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS. 9 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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