Part Number
Propeller Nut Wrench Assembly · Federal specification · NSN 4921-01-167-3908
| Part number | QQ-S-764 |
|---|---|
| Specification family | Federal specification |
| Item name | Propeller Nut Wrench Assembly |
| Unit of issue | EA |
| Cross-referenced NSN | 4921-01-167-3908 |
| Federal Supply Class (FSC) | 4921 — Torpedo Maintenance and Checkout Equipment |
| Unit price (USD) | $350.46 |
| 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 |
Specialized torpedo maintenance and checkout equipment components.
Reading the part number. QQ-S-764 is a federal specification reference (the QQ series covered specific commodity groups in the old federal spec system). Like all spec citations it describes a family of conforming items; the NSN on this page identifies the specific propeller nut wrench assembly stocked.
Price in context. Across the 2 items we currently stock in FSC 4921 (Torpedo Maintenance and Checkout Equipment), published unit prices run from $157.71 to $350.46. At $350.46, this item sits above the class median of $254.08.
Stock activity. This item has appeared 2 times in our supplier stock feed, most recently listed 2026-08-19, with a lot quantity of 12 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Who orders QQ-S-764. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 4921-01-167-3908. You can order by part number or by stock number — it is the same item, the same published price, and the same quote form.
Applicable standards. Program specifications.
Need this part modified, or a similar part made to your print? See our U.S.-based CNC machining services and aerospace machining capability.
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.
Items are supplied as stock mil-spec / commercial hardware with source documentation and country-of-origin paperwork on every order. Parts are not supplied with an FAA Form 8130-3 airworthiness tag unless expressly stated on the quote. Buyers installing hardware on certificated aircraft are responsible for acceptance under their own maintenance program, repair station procedures, or owner/operator authority.
