Nuts and Washers: ST4M159-3, ST4M171N4, ST4M178A4
| MFG SKU | NSN | Item Name | Details | Manufacturer (CAGE) | RFQ |
|---|---|---|---|---|---|
| ST4M159-3 ST4M1593 | 5310-00-352-0478 | Washer, Spring Tension | Hole Diameter: 0.180 inches minimum and 0.184 inches maximum Outside Diameter: 0.320 inches minimum and 0.350 inches maximum Material Thickness: 0.021 inches nominal | Boeing Company, The (76301) Moeller Manufacturing & Supply Inc. (58009) Seastrom Manufacturing Co. Inc. (86928) | |
| ST4M159-4 ST4M1594 | 5310-01-380-7951 | Washer, Spring Tension | Hole Diameter: 0.230 inches minimum and 0.270 inches maximum Outside Diameter: 0.412 inches minimum and 0.440 inches maximum Material: Copper overall | Boeing Company, The (76301) Moeller Manufacturing & Supply Inc. (58009) Simmonds Precision Products Inc. (89305) | |
| ST4M160C2 | 5310-01-029-8176 | Washer, key | Material: Steel comp 321 or steel comp 347 overall Material Document and Classification: QQ-S-763 fed spec all material responses overall Surface Treatment: Passivate overall | Boeing Company, The (76301) | |
| ST4M164 | 5310-00-283-7550 | Nut Spacer, Plate | Material: Steel corrosion resisting overall Material Document and Classification: MIL-S-6721 mil spec 1ST material response or QQ-S-763 fed spec 2ND material response overall Surface Treatment: Passivate overall | Kettenburg Marine (75301) | |
| ST4M164A7H | 5310-00-283-7552 | Nut Spacer, Plate | Material: Steel corrosion resisting overall Material Document and Classification: MIL-S-6721 mil spec 1ST material response or QQ-S-763 fed spec 2ND material response overall Surface Treatment: Passivate overall | Boeing Company, The (76301) | |
| ST4M164A7L | 5310-00-283-7550 | Nut Spacer, Plate | Material: Steel corrosion resisting overall Material Document and Classification: MIL-S-6721 mil spec 1ST material response or QQ-S-763 fed spec 2ND material response overall Surface Treatment: Passivate overall | Boeing Company, The (76301) | |
| ST4M164A7M | 5310-00-283-7551 | Nut Spacer, Plate | Material: Steel corrosion resisting overall Material Document and Classification: MIL-S-6721 mil spec 1ST material response or QQ-S-763 fed spec 2ND material response overall Surface Treatment: Passivate overall | Boeing Company, The (76301) | |
| ST4M164B5LN | 5310-01-452-7534 | Nut Spacer, Plate | III End Item Identification: Used on F-15S acft | Boeing Company, The (76301) | |
| ST4M164B5MN | 5310-01-025-4395 | Nut Spacer, Plate | Material: Aluminum alloy 2024 overall Material Document and Classification: QQ-A-250/4 temper T8 mil spec single material response overall Surface Treatment: Anodize overall | Boeing Company, The (76301) | |
| ST4M170A6 | 5310-01-218-3214 | Washer, Convex | Boeing Company, The (76301) Seyer Industries Inc. (19494) | ||
| ST4M170B6 | 5310-01-219-7219 | Washer, Concave | Boeing Company, The (76301) Seyer Industries Inc. (19494) | ||
| ST4M171N4 | 5310-01-024-4148 | Nut Spacer, Plate | Material: Aluminum alloy 2024 overall Material Document and Classification: QQ-A-250/4 temper T81 fed spec single material response overall Surface Treatment: Anodize and paint overall | Boeing Company, The (76301) Seastrom Manufacturing Co. Inc. (86928) | |
| ST4M171N5E | 5310-01-073-9213 | Nut Spacer, Plate | Material: Aluminum alloy 2024 overall Material Document and Classification: QQ-A-250/4, T81 fed spec single material response overall Surface Treatment: Anodize and paint overall | Boeing Company, The (76301) Seastrom Manufacturing Co. Inc. (86928) | |
| ST4M171N6 | 5310-01-005-6724 | Nut Spacer, Plate | Material: Aluminum alloy 2024 overall Material Document and Classification: QQ-A-250/4, alloy 2024, temper T81 fed spec single material response overall Surface Treatment: Anodize overall | Boeing Company, The (76301) Seastrom Manufacturing Co. Inc. (86928) | |
| ST4M172N5 | 5310-01-005-6725 | Nut Spacer, Plate | Material: Aluminum alloy 2024 overall Material Document and Classification: QQ-A-250/4, alloy 2024, temper T81 fed spec single material response overall Surface Treatment: Paint or anodize overall | Boeing Company, The (76301) Seastrom Manufacturing Co. Inc. (86928) | |
| ST4M172N6 | 5310-01-005-6726 | Nut Spacer, Plate | Material: Aluminum alloy 2024 overall Material Document and Classification: QQ-A-250/4, alloy 2024, temper T81 fed spec single material response overall Surface Treatment: Paint or anodize overall | Boeing Company, The (76301) | |
| ST4M174-5 ST4M1745 | 5310-01-457-5137 | Washer, Flat | Material: Steel overall Material Document and Classification: MIL-S-5059COMP302 mil spec single material response overall Hole Diameter: 0.162 inches nominal | Boeing Company, The (76301) | |
| ST4M178A2 | 5310-01-030-4918 | Washer, Spring Tension | Material: Copper alloy 172 overall Material Document and Classification: QQ-C-533, temper at fed spec single material response overall Surface Treatment: Tin overall | Boeing Company, The (76301) | |
| ST4M178A3 | 5310-01-030-4919 | Washer, Spring Tension | Material: Copper alloy 172 overall Material Document and Classification: QQ-C-533, temper at fed spec single material response overall Surface Treatment: Tin overall | Boeing Company, The (76301) Tech-Etch Inc. (89295) | |
| ST4M178A4 | 5310-01-030-4920 | Washer, Spring Tension | Material: Copper alloy 172 overall Material Document and Classification: QQ-C-533, temper at fed spec single material response overall Surface Treatment: Tin overall | Boeing Company, The (76301) Tech-Etch Inc. (89295) |