PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

FW1149Spring,helical,extension

Boyertown Trolley Corp · NSN 5360-00-096-6873 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-096-6873 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-096-6873. Primary manufacturer part number: FW1149.
Features
  • Spring,helical,extension — FSC 5360
  • End Style: SWIVEL HOOK BOTH ENDS
  • Coil Helix Direction: RIGHT-HAND
  • Surface Treatment: NICKEL OVERALL
  • Spring Free Outside Diameter: 0.562 INCHES NOMINAL IN
  • Style Designator: CYLINDRICAL W/ CONVEX ENDS
  • Spring Free Length: 2.865 INCHES NOMINAL IN
  • Coil to Hook Inside Length: 0.375 INCHES NOMINAL BOTH ENDS IN
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 5360-00-096-6873, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Boyertown Trolley Corp. Government technical data includes 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-096-6873
Primary Part NumberFW1149
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerBoyertown Trolley Corp
StatusACTIVE
End StyleSWIVEL HOOK BOTH ENDS
Coil Helix DirectionRIGHT-HAND
Surface TreatmentNICKEL OVERALL
Spring Free Outside Diameter0.562 INCHES NOMINAL IN
Style DesignatorCYLINDRICAL W/ CONVEX ENDS
Spring Free Length2.865 INCHES NOMINAL IN
Coil to Hook Inside Length0.375 INCHES NOMINAL BOTH ENDS IN
Hook Radius0.125 INCHES NOMINAL BOTH ENDS IN
MaterialSTEEL OVERALL
Opening Width0.250 INCHES NOMINAL BOTH ENDS IN
Design TypeCLOSED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5305-00-290-3037110584 INTERCHANGEABLE
Screw,machine
Chrysler Realty Company Llc Dba Daimler Chrysler
5360-00-350-559711058A INTERCHANGEABLE
Spring,helical,extension
Fwd Seagrave Holdings Lp
5305-01-050-1134110584 INTERCHANGEABLE
Screw
Mcculloch Corp
5950-01-256-14743450 PIECE 29 INTERCHANGEABLE
Coil,electrical
Leslie Controls, Inc. Dba Leslie Controls Inc
Cross-Reference Index
Part NumberManufacturer
11058A Warner Electric Brake and Clutch Co Hq (USA)
FW1149 PRIMARY Boyertown Trolley Corp (USA)
110584 Allied Products Corp Loadcraft Div (USA)
Related Parts
5305-00-290-3037INTERCHANGEABLE
SCREW,MACHINE
110584
5360-00-350-5597INTERCHANGEABLE
SPRING,HELICAL,EXTENSION
11058A
5305-01-050-1134INTERCHANGEABLE
SCREW
110584
5950-01-256-1474INTERCHANGEABLE
COIL,ELECTRICAL
3450 PIECE 29

Frequently Asked Questions

What is NSN 5360-00-096-6873?

NSN 5360-00-096-6873 is a Spring,helical,extension, manufactured by Boyertown Trolley Corp, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-096-6873?

NSN 5360-00-096-6873 has 3 cross-referenced part numbers: 11058A (Warner Electric Brake and Clutch Co Hq), FW1149 (Boyertown Trolley Corp), 110584 (Allied Products Corp Loadcraft Div).

What NSN replaces 5360-00-096-6873?

There are 4 known substitutes for 5360-00-096-6873: 5305-00-290-3037, 5360-00-350-5597, 5305-01-050-1134 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of FW1149?

Key specifications for FW1149: End Style: SWIVEL HOOK BOTH ENDS; Coil Helix Direction: RIGHT-HAND; Surface Treatment: NICKEL OVERALL; Spring Free Outside Diameter: 0.562 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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