Part Number
Ring Spacer · OEM / vendor part number · NSN 5365-00-158-3808
| Part number | SMB620018-1 |
|---|---|
| Specification family | OEM / vendor part number |
| Item name | Ring Spacer |
| Alternate references | QQ-S-766 |
| Unit of issue | EA |
| Cross-referenced NSN | 5365-00-158-3808 |
| Federal Supply Class (FSC) | 5365 — Rings, Shims, and Spacers |
| Unit price (USD) | $17.52 |
| 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 ring spacer. Confirm controlling dimensions against your drawing or standard sheet before ordering.
| Material | Steel Corrosion Resisting |
|---|---|
| Outside Diameter | 0.967 Inches Minimum And 0.971 Inches Maximum |
| Inside Diameter | 0.189 Inches Minimum And 0.192 Inches Maximum |
| Surface Treatment | Passivate |
Retaining rings, snap rings, shims, spacers, and bushings used to locate, retain, and adjust the position of components on shafts and in bores.
Reading the part number. SMB620018-1 is a vendor part number for this ring spacer. If your documentation lists a different reference for the same item, include it on the quote and we will confirm the cross-reference.
Price in context. Across the 158 items we currently stock in FSC 5365 (Rings, Shims, and Spacers), published unit prices run from $0.27 to $3,300.00. At $17.52, this item sits below the class median of $26.28.
Stock activity. This item has appeared once in our supplier stock feed, most recently listed 2026-08-19, with a lot quantity of 35 units. Listing activity is a practical signal of ongoing availability; confirm current stock and firm pricing on your quote.
Who orders SMB620018-1. Aircraft owners and MRO shops replacing standard hardware, machine shops and OEMs filling a bill of materials, and government contractors sourcing against NSN 5365-00-158-3808. 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. ANSI B27.7 retaining rings, MS/NAS shims and spacers.
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.
NSN 5365-00-179-4238
NSN 5365-00-289-3070
NSN 5365-00-289-3071
NSN 5365-00-310-5808
NSN 5365-00-335-0020
NSN 5365-00-432-6841
NSN 5365-00-485-0777
NSN 5365-00-494-2008
NSN 5365-00-538-0881
NSN 5365-00-580-5318
NSN 5365-00-598-5416
NSN 5365-00-720-2895
