PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

SMB71604-6Spring,helical,extension

Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir · NSN 5360-00-594-3878 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-594-3878 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-594-3878. Primary manufacturer part number: SMB71604-6.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Free Outside Diameter: 0.127 INCHES NOMINAL IN
  • Coil Quantity: 50-1/4
  • Material: STEEL OVERALL
  • Coil Helix Direction: RIGHT-HAND
  • Design Type: CLOSED
  • End Style: SHORT TWISTED HOOK BOTH ENDS
  • Inside Diameter: 0.103 INCHES NOMINAL 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 5360-00-594-3878, 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 11 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-594-3878
Primary Part NumberSMB71604-6
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerUs Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
StatusACTIVE
Spring Free Outside Diameter0.127 INCHES NOMINAL IN
Coil Quantity50-1/4
MaterialSTEEL OVERALL
Coil Helix DirectionRIGHT-HAND
Design TypeCLOSED
End StyleSHORT TWISTED HOOK BOTH ENDS
Inside Diameter0.103 INCHES NOMINAL IN
Spring Free Length0.859 INCHES NOMINAL IN
Hook Radius0.057 INCHES NOMINAL BOTH ENDS IN
Surface TreatmentTIN OVERALL
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
5915-00-424-9480 INTERCHANGEABLE
Filter,electrical
5133-00-988-5693 INTERCHANGEABLE
Drill,twist
5962-01-111-7852 INTERCHANGEABLE
Microcircuit,memory
5120-01-715-176158801 INTERCHANGEABLE
Remover,electrical Contact
Thexton Mfg Co Inc
Cross-Reference Index
Part NumberManufacturer
58801 Kleinschmidt Inc (USA)
SMB71604-6 PRIMARY Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir (USA)
Related Parts
5915-00-424-9480INTERCHANGEABLE
FILTER,ELECTRICAL
5133-00-988-5693INTERCHANGEABLE
DRILL,TWIST
5962-01-111-7852INTERCHANGEABLE
MICROCIRCUIT,MEMORY
5120-01-715-1761INTERCHANGEABLE
REMOVER,ELECTRICAL CONTACT
58801

Frequently Asked Questions

What is NSN 5360-00-594-3878?

NSN 5360-00-594-3878 is a Spring,helical,extension, 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 5360-00-594-3878?

NSN 5360-00-594-3878 has 2 cross-referenced part numbers: 58801 (Kleinschmidt Inc), SMB71604-6 (Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir).

What NSN replaces 5360-00-594-3878?

There are 4 known substitutes for 5360-00-594-3878: 5915-00-424-9480, 5133-00-988-5693, 5962-01-111-7852 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of SMB71604-6?

Key specifications for SMB71604-6: Spring Free Outside Diameter: 0.127 INCHES NOMINAL IN; Coil Quantity: 50-1/4; Material: STEEL OVERALL; Coil Helix Direction: RIGHT-HAND. 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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