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Torsion Helical Spring

NSN: 5360-01-539-6272 | Model: 3305AS274-2

An open-or close-wound coil spring consisting of one or more helical coils, wound from different shapes and types of material and finished at the ends, designed to exert pressure in a rotating direction around the coil axis. Excludes springs designed for thermal actuation (springs in which the torsion forces are counteracted by changes in temperature) and spring, reinforcing, hose.

NSN Properties and Flags
NATO Stock Number
Inside Diameter
0.427 inches
End Style
Straight hook end (right) first end
Stock Width
0.040 inches
End Application
1730-01-428-4275, 1730-01-504-6347, 4925-01-414-0450 linkless ammunition loading system
Coil Quantity
Coil Helix Direction
First Bend Radius
0.250 inches first end
End Angular Relationship
Ends parallel one to other
Part Name Assigned By Controlling Agency
Spring, torsion, altered
End Length
1.117 inches first end
Special Features
Altered from 3305as273-2 spring
Surface Treatment
Surface Treatment Specification
Qq-p-35 federal specification all treatment responses
Supplementary Features
Ref data dwg 3305as274 & t.O. 35d2-19-1

Parts List for Ammunition Loading-trans Trailer  

Other components in the assembly of NSN 1730-01-428-4275
Recent Solicitations
Solicitation Return by Date Buyer Code Quantity
SPE5EM20T3594 2020-02-10 PHPHC 7 EA
SPE5EM17TA380 2017-08-11 PHPHC 10 EA

Pricing and Availability

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NSN 5360-01-539-6272 Datasheet

Supply Class (FSC):
Wire Springs Leaf Flat Coil
Cross Reference:
  • 3305AS274-2
  • 3305AS274
Cage Codes:
  • Hydraulics International, Inc. (CAGE 56529)
  • Naval Air Systems Command (CAGE 30003)

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.


A - Item does not contain precious metal.


A - No known electrostatic discharge (esd) or electromagnetic interference (emi) sensitivity.


- Represents items with no adp components


- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:
  • NMFC:

    177940 - Springs: springs noi

  • WCC:

    713 - Metal hardware

  • SHC:

    9 - Other or no special handling required (sh)

  • ADC:

    A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.

  • ACC:

    V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing

  • LTL:

    W - Rating variable

  • TCC:

    Z - No special type of cargo code applicable

NSN Management Codes:
  • SOS
  • AAC
  • Quantity per pack
  • Unit of Measure
  • Shelf Life
  • Classification Control
  • Repariability

Questions & Answers:

What are the historical prices recorded for this stock number?
Historical data shows pricing from $378.72 to $631.19..
Does NSN 5360-01-539-6272 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force, Department Of The Navy, and Poland
What is the NIIN of NSN 5360-01-539-6272?
015396272 or 01-539-6272
Does NSN 5360-01-539-6272 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 5360-01-539-6272?
Solicitation SPE5EM20T3594 for qty 7 on 02/03/2020
When was this national stock number assigned to the federal catalog?
Apr 27, 2006