PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

4611Spring,helical,extension

Radiodetection, Llc · NSN 5360-00-209-9947 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-209-9947 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-209-9947. Primary manufacturer part number: 4611.
Features
  • Spring,helical,extension — FSC 5360
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Material: STEEL OVERALL
  • Surface Treatment: TIN OVERALL
  • Spring Free Outside Diameter: 0.141 INCHES NOMINAL IN
  • Hook Radius: 0.033 INCHES NOMINAL BOTH ENDS IN
  • Inside Diameter: 0.117 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-209-9947, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Radiodetection, Llc. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5360-00-209-9947
Primary Part Number4611
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerRadiodetection, Llc
StatusACTIVE
End StyleSHORT TWISTED HOOK BOTH ENDS
MaterialSTEEL OVERALL
Surface TreatmentTIN OVERALL
Spring Free Outside Diameter0.141 INCHES NOMINAL IN
Hook Radius0.033 INCHES NOMINAL BOTH ENDS IN
Inside Diameter0.117 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL
Coil Helix DirectionLEFT-HAND
Spring Free Length0.500 INCHES NOMINAL IN
Coil Quantity28
Design TypeCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
3110-00-151-811417A4086ITEM1 INTERCHANGEABLE
Bearing,ball,annular
Westinghouse Electric Corp
5975-00-152-1144 INTERCHANGEABLE
Box Connector,electrical
3110-00-155-9546311SW1 INTERCHANGEABLE
Bearing,ball,annular
Skf Usa Inc.
5950-00-228-2578 INTERCHANGEABLE
Transformer,radio Frequency
5325-00-432-8531402601 INTERCHANGEABLE
Grommet,nonmetallic
Sabreliner Corp
3020-00-678-3663372683LAPC4611 INTERCHANGEABLE
Chain,roller
Naval Ship Systems Command
2520-00-737-2450 INTERCHANGEABLE
Packing
6210-01-074-79524611 INTERCHANGEABLE
Aiming Device
O.c.e.m. Acquisition Corp. Dba Multi Electric Mfg., Inc.
5905-01-149-9343 INTERCHANGEABLE
Resistor,fixed,wire Wound,induct
4820-01-151-64074611-1 INTERCHANGEABLE
Valve,relief,pressure and Temper
Pneudraulics, Inc.
Cross-Reference Index
Part NumberManufacturer
4611 Radiodetection, Llc (USA)
Related Parts
3110-00-151-8114INTERCHANGEABLE
BEARING,BALL,ANNULAR
17A4086ITEM1
5975-00-152-1144INTERCHANGEABLE
BOX CONNECTOR,ELECTRICAL
3110-00-155-9546INTERCHANGEABLE
BEARING,BALL,ANNULAR
311SW1
5950-00-228-2578INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
5325-00-432-8531INTERCHANGEABLE
GROMMET,NONMETALLIC
402601
3020-00-678-3663INTERCHANGEABLE
CHAIN,ROLLER
372683LAPC4611
2520-00-737-2450INTERCHANGEABLE
PACKING
6210-01-074-7952INTERCHANGEABLE
AIMING DEVICE
4611
5905-01-149-9343INTERCHANGEABLE
RESISTOR,FIXED,WIRE WOUND,INDUCT
4820-01-151-6407INTERCHANGEABLE
VALVE,RELIEF,PRESSURE AND TEMPER
4611-1
9320-01-155-2369INTERCHANGEABLE
TAPE,ADHESIVE,RUBBER
7025-01-188-5956INTERCHANGEABLE
PRINTER,AUTOMATIC DATA PROCESSIN

Frequently Asked Questions

What is NSN 5360-00-209-9947?

NSN 5360-00-209-9947 is a Spring,helical,extension, manufactured by Radiodetection, Llc, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-209-9947?

NSN 5360-00-209-9947 has 1 cross-referenced part number: 4611 (Radiodetection, Llc).

What NSN replaces 5360-00-209-9947?

There are 12 known substitutes for 5360-00-209-9947: 3110-00-151-8114, 5975-00-152-1144, 3110-00-155-9546 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 4611?

Key specifications for 4611: End Style: SHORT TWISTED HOOK BOTH ENDS; Material: STEEL OVERALL; Surface Treatment: TIN OVERALL; Spring Free Outside Diameter: 0.141 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.
PartsTable Design LLC · partstable.com