The Nut Spacer,plate, cataloged under National Stock Number 5310-01-197-6620, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-197-6620 |
| Primary Part Number | ST3M679TB6 |
| Item Name | Nut Spacer,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Plate Thickness | 0.064 INCHES NOMINAL IN |
| Nut Length | 1.560 INCHES NOMINAL IN |
| Plate Width | 0.906 INCHES NOMINAL IN |
| Mounting Hole Arrangement Style | 1 HOLE |
| Mounting Hole Diameter | 0.125 INCHES NOMINAL IN |
| Distance From Aperture Center to Mounting Hole Center | 0.982 INCHES NOMINAL IN |
| Thru-Hole Diameter | 0.499 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Nut Style | PLATE NUT SPACER |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Nut Mounting Provision | STRAIGHT HOLES |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| ST3M679TB6 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST3M679T6 | 5/9 Secondary reference U.S. Government activity |
| ST3M679T6 | 5/9 Secondary reference The Boeing Company Div Defense |
| ST3M679T6A | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
| ST3M679T6 | 5/9 Secondary reference U.S. Government activity |
| 10110138 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-197-6620 is a Nut Spacer,plate, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-197-6620 has 1 manufacturer part number on file: ST3M679TB6 (The Boeing Company Div Defense).
Key specifications for ST3M679TB6: Plate Thickness: 0.064 INCHES NOMINAL IN; Nut Length: 1.560 INCHES NOMINAL IN; Plate Width: 0.906 INCHES NOMINAL IN; Mounting Hole Arrangement Style: 1 HOLE. 10 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.