National Stock Number
Torsion Helical Spring — Coil, Flat, and Wire Springs (FSC 5360) · Part No. 7973779
| National Stock Number | 5360-00-179-7103 |
|---|---|
| Item name | Torsion Helical Spring |
| Part number (commercial reference) | 7973779 |
| Unit of issue | EA |
| NIIN | 001797103 |
| 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) | $113.90 |
| 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 torsion helical spring. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel Uns K08500 Overall |
|---|---|
| Inside Diameter | 0.391 Inches Nominal |
| Surface Treatment | Cadmium Overall And Chromate 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 $113.90, this item sits well above the class median of $37.50 — typical of assemblies and higher-value line items in this class.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-08-19, with a lot quantity of 26 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 5360-00-179-7103 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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