PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB187108Spring,helical,torsion

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5360-00-663-3349 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-663-3349 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-663-3349. Primary manufacturer part number: SMB187108.
Features
  • Spring,helical,torsion — FSC 5360
  • Spring Free Length: 0.750 INCHES NOMINAL IN
  • End Angular Relationship: ENDS ANGLED ONE TO OTHER
  • Spring Free Outside Diameter: 0.187 INCHES NOMINAL IN
  • End Style: STRAIGHT BEND END (LEFT) OVERALL
  • End Length From First Bend to Second Bend or End: 0.312 INCHES NOMINAL OVERALL IN
  • Coil Quantity: 38
  • Inside Diameter: 0.147 INCHES NOMINAL IN
Applications
  • Mechanical energy storage
  • Vibration dampening
  • Return mechanism operation
  • Applications requiring Steel Overall construction
General Description

The Spring,helical,torsion, cataloged under National Stock Number 5360-00-663-3349, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-663-3349
Primary Part NumberSMB187108
Item NameSpring,helical,torsion
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Spring Free Length0.750 INCHES NOMINAL IN
End Angular RelationshipENDS ANGLED ONE TO OTHER
Spring Free Outside Diameter0.187 INCHES NOMINAL IN
End StyleSTRAIGHT BEND END (LEFT) OVERALL
End Length From First Bend to Second Bend or End0.312 INCHES NOMINAL OVERALL IN
Coil Quantity38
Inside Diameter0.147 INCHES NOMINAL IN
End Length0.750 INCHES NOMINAL BOTH ENDS IN
Style DesignatorSINGLE TORSION LEFT HAND
Surface TreatmentTIN OVERALL
Coil Helix DirectionLEFT-HAND
MaterialSTEEL OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5961-00-057-03545555-1 INTERCHANGEABLE
Semiconductor Device,diode
Ballantine Laboratories Inc
5998-00-122-657955551 INTERCHANGEABLE
Circuit Card Assembly
Cae Inc
3040-00-138-224255551 INTERCHANGEABLE
Shaft,shouldered
Altra Industrial Motion Corp.
5910-00-160-2269IAT1125SS INTERCHANGEABLE
Capacitor,fixed,paper Dielectric
Prestolite Electric Inc
1650-00-832-248755551 INTERCHANGEABLE
Rocker,pump Assy,en
Parker Hannifin Corporation Div Hydraulic Systems Division
5905-00-908-9579176-10K0HMSP0RM5PCT INTERCHANGEABLE
Resistor,variable,wire Wound,non
Techno Components Corp Dba Techno Components
2540-00-910-89335-5551 INTERCHANGEABLE
Handle,door,vehicular
Eastern Co Div Eberhard Manufacturing
6760-01-533-643855551 INTERCHANGEABLE
Mount,aircraft Camera
Aerovironment, Inc. Dba Aerovironment Inc
Cross-Reference Index
Part NumberManufacturer
SMB187108 Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
55551 Kleinschmidt Inc (USA)
Related Parts
5961-00-057-0354INTERCHANGEABLE
SEMICONDUCTOR DEVICE,DIODE
5555-1
5998-00-122-6579INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
55551
3040-00-138-2242INTERCHANGEABLE
SHAFT,SHOULDERED
55551
5910-00-160-2269INTERCHANGEABLE
CAPACITOR,FIXED,PAPER DIELECTRIC
IAT1125SS
1650-00-832-2487INTERCHANGEABLE
ROCKER,PUMP ASSY,EN
55551
5905-00-908-9579INTERCHANGEABLE
RESISTOR,VARIABLE,WIRE WOUND,NON
176-10K0HMSP0RM5PCT
2540-00-910-8933INTERCHANGEABLE
HANDLE,DOOR,VEHICULAR
5-5551
6760-01-533-6438INTERCHANGEABLE
MOUNT,AIRCRAFT CAMERA
55551

Frequently Asked Questions

What is NSN 5360-00-663-3349?

NSN 5360-00-663-3349 is a Spring,helical,torsion, manufactured by Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-663-3349?

NSN 5360-00-663-3349 has 2 cross-referenced part numbers: SMB187108 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir), 55551 (Kleinschmidt Inc).

What NSN replaces 5360-00-663-3349?

There are 8 known substitutes for 5360-00-663-3349: 5961-00-057-0354, 5998-00-122-6579, 3040-00-138-2242 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB187108?

Key specifications for SMB187108: Spring Free Length: 0.750 INCHES NOMINAL IN; End Angular Relationship: ENDS ANGLED ONE TO OTHER; Spring Free Outside Diameter: 0.187 INCHES NOMINAL IN; End Style: STRAIGHT BEND END (LEFT) OVERALL. 12 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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