PartsTable TECHNICAL DATA SHEET
OCTOBER 2026Technical Data Sheet

41701-38Spring,helical,extension

Cunico Corporation · NSN 5360-00-676-3844 · FSC 5360 · Coil, Flat, Leaf, and Wire Springs
Government record, cited
NSN 5360-00-676-3844 — this item is cataloged by the U.S. Government under National Stock Number 5360-00-676-3844. Primary manufacturer part number: 41701-38.
Features
  • Spring,helical,extension — FSC 5360
  • Spring Free Outside Diameter: 0.440 INCHES NOMINAL IN
  • End Style: MACHINED HALF LOOP BOTH ENDS
  • Design Type: CLOSED
  • Style Designator: CYLINDRICAL
  • Opening Width: 0.031 INCHES NOMINAL BOTH ENDS IN
  • Spring Free Length: 1.938 INCHES NOMINAL IN
  • Inside Diameter: 0.342 INCHES NOMINAL IN
Identification
  • NSN: 5360-00-676-3844
  • NIIN: 006763844
  • FSC: 5360 — Coil, Flat, Leaf, and Wire Springs
  • FSG: 53 — Hardware and Abrasives
  • Primary part number: 41701-38
  • Manufacturer: Cunico Corporation
General Description

The Spring,helical,extension, cataloged under National Stock Number 5360-00-676-3844, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The primary manufacturer of record is Cunico Corporation. Government technical data includes 11 specifications, cited from the U.S. Government catalog. This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5360-00-676-3844
Primary Part Number41701-38
Item NameSpring,helical,extension
FSC / FSG5360 / 53 — Coil, Flat, Leaf, and Wire Springs
ManufacturerCunico Corporation
StatusACTIVE
Spring Free Outside Diameter0.440 INCHES NOMINAL IN
End StyleMACHINED HALF LOOP BOTH ENDS
Design TypeCLOSED
Style DesignatorCYLINDRICAL
Opening Width0.031 INCHES NOMINAL BOTH ENDS IN
Spring Free Length1.938 INCHES NOMINAL IN
Inside Diameter0.342 INCHES NOMINAL IN
Coil Quantity28
Coil Helix DirectionLEFT-HAND
MaterialSTEEL OVERALL
Hook Radius0.172 INCHES NOMINAL BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HazardNot stated in government record
Cross-Reference Index
Part NumberManufacturer
41701-38 Custom Craft Products Inc (USA)
41701-38 PRIMARY Cunico Corporation (USA)
Other items in FSC 5360 — Coil, Flat, Leaf, and Wire Springs
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5360-00-001-1842
SPRING,HELICAL,COMPRESSION
5360-00-001-2010
SPRING,HELICAL,EXTENSION
5360-00-001-4650
SPRING,HELICAL,COMPRESSION
5360-00-001-4664
SPRING,CONSTANT TO

Frequently Asked Questions

What is NSN 5360-00-676-3844?

NSN 5360-00-676-3844 is a Spring,helical,extension, manufactured by Cunico Corporation, classified under FSC 5360 (Coil, Flat, Leaf, and Wire Springs). Status: active.

What are the part numbers for NSN 5360-00-676-3844?

NSN 5360-00-676-3844 has 2 cross-referenced part numbers: 41701-38 (Custom Craft Products Inc), 41701-38 (Cunico Corporation).

What are the specifications of 41701-38?

Key specifications for 41701-38: Spring Free Outside Diameter: 0.440 INCHES NOMINAL IN; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 11 specifications are documented in the U.S. Government catalog.

Is NSN 5360-00-676-3844 hazardous material?

Hazard status is not stated in the government record for NSN 5360-00-676-3844 — no DOT hazard class, UN number, or hazard classification field is present in the cited data. This page does not assert an item is or is not hazardous.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.
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