National Stock Number
Extension Helical Spring — Coil, Flat, and Wire Springs (FSC 5360)
| National Stock Number | 5360-00-397-4604 |
|---|---|
| Item name | Extension Helical Spring |
| Unit of issue | EA |
| NIIN | 003974604 |
| NIIN assigned by | United States (NCB code 00) |
| Federal Supply Class (FSC) | 5360 — Coil, Flat, and Wire Springs |
| Federal Supply Group (FSG) | 53 — Hardware and Abrasives |
| Unit price (USD) | $37.50 |
| Country of origin | Türkiye (Turkey) |
| Lead time | Within 90 days of order |
| Minimum order | May apply — confirm on quote |
| Documentation | Source documentation provided on all orders |
Characteristics decoded from the federal cataloging record for this extension helical spring. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel Comp 304 Overall |
|---|---|
| Inside Diameter | 1.640 Millimeters Minimum And 1.960 Millimeters Maximum |
| Surface Treatment | Passivate Overall |
Mechanical springs including compression, extension, torsion, flat, and wire-form springs that store and release mechanical energy.
Price in context. Across the 93 items we currently stock in FSC 5360 (Coil, Flat, and Wire Springs), published unit prices run from $0.87 to $4,030.29. At $37.50, this item sits below the class median of $37.50.
Stock activity. This item has appeared 2 times in our supplier stock feed, most recently listed 2026-08-19, with a lot quantity of 68 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Typical applications. Valve and actuator return, detent and latch mechanisms, vibration isolation, and load application.
Applicable standards. ASTM A228/A229/A401 spring wire, SAE and MIL specs.
NSN 5360-00-397-4604 is supplied by Quick Brown Fox Solutions as a stock resale item. For custom-manufactured or prototype parts to your print, see our U.S.-based CNC machining services.
Country of origin: Türkiye (Turkey). Turkey is a NATO ally and a normal-trade-relations partner of the United States, and Turkish-origin end items are eligible for a wide range of U.S. federal and DLA procurements.
TAA note: Turkey is not a Trade Agreements Act (TAA) designated country, so these items are generally not eligible for TAA-covered solicitations. They are offerable under the Buy American Act and many non-TAA DLA buys. Buyers are responsible for confirming the origin requirements of their specific solicitation.
Full country-of-origin and source documentation is provided with every order. Fulfillment within 90 days of order. Minimum order may apply.
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