PartsTable TECHNICAL DATA SHEET
AUGUST 2026Technical Data Sheet

437-50002Spring,helical,extension

Ami Industries, Inc Div Utc Aerospace Systems · NSN 5360-00-547-7703 · FSC 5360 · No Item Name Available
Verified by PartsTable
NSN 5360-00-547-7703 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-547-7703. Primary manufacturer part number: 437-50002.
Features
  • Spring,helical,extension — FSC 5360
  • Hook Radius: 0.217 INCHES NOMINAL BOTH ENDS IN
  • Coil Quantity: 21-3/4
  • End Style: MACHINE LOOP BOTH ENDS
  • Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Opening Width: 0.161 INCHES NOMINAL BOTH ENDS IN
  • Style Designator: CYLINDRICAL
  • Surface Treatment: CADMIUM OVERALL
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 5360-00-547-7703, is classified within Federal Supply Class 5360 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Ami Industries, Inc Div Utc Aerospace Systems. Government technical data includes 16 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. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-547-7703
Primary Part Number437-50002
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — No Item Name Available
ManufacturerAmi Industries, Inc Div Utc Aerospace Systems
StatusACTIVE
Hook Radius0.217 INCHES NOMINAL BOTH ENDS IN
Coil Quantity21-3/4
End StyleMACHINE LOOP BOTH ENDS
Material Document and ClassificationQQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Opening Width0.161 INCHES NOMINAL BOTH ENDS IN
Style DesignatorCYLINDRICAL
Surface TreatmentCADMIUM OVERALL
Spring Free Length2.550 INCHES NOMINAL IN
Spring Length Under Load2.750 INCHES NOMINAL IN
Spring Free Outside Diameter0.433 INCHES NOMINAL IN
Inside Diameter0.273 INCHES NOMINAL IN
Design TypeCLOSED
Coil Helix DirectionRIGHT-HAND OR LEFT-HAND
MaterialSTEEL OVERALL
Coil to Hook Inside Length0.297 INCHES NOMINAL BOTH ENDS IN
Load Rating36.000 POUNDS NOMINAL LBS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Cross-Reference Index
Part NumberManufacturer
437-50002 Alamo Aircraft, Ltd. (USA)
437-50002 PRIMARY Ami Industries, Inc Div Utc Aerospace Systems (USA)
5360PL1016391 Jednolity Indeks Materialowy - Uniform Material Index (POL)
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5360-00-001-4703
NO ITEM NAME AVAILABLE

Frequently Asked Questions

What is NSN 5360-00-547-7703?

NSN 5360-00-547-7703 is a Spring,helical,extension, manufactured by Ami Industries, Inc Div Utc Aerospace Systems, classified under FSC 5360 (No Item Name Available). Status: active.

What are the part numbers for NSN 5360-00-547-7703?

NSN 5360-00-547-7703 has 3 cross-referenced part numbers: 437-50002 (Alamo Aircraft, Ltd.), 437-50002 (Ami Industries, Inc Div Utc Aerospace Systems), 5360PL1016391 (Jednolity Indeks Materialowy - Uniform Material Index).

What are the specifications of 437-50002?

Key specifications for 437-50002: Hook Radius: 0.217 INCHES NOMINAL BOTH ENDS IN; Coil Quantity: 21-3/4; End Style: MACHINE LOOP BOTH ENDS; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 16 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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