The Nut,plain,round, cataloged under National Stock Number 5310-00-032-5655, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Textron Systems Corporation Dba Textron Systems Corp. Government technical data includes 17 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-032-5655 |
| Primary Part Number | 47-120-178-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Textron Systems Corporation Dba Textron Systems Corp |
| Status | ACTIVE |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION F |
| Material Document and Classification | MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6756CANCELLED MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.625 INCHES IN |
| Nut Diameter | 3.470 INCHES MINIMUM AND 3.530 INCHES MAXIMUM IN |
| Drive Point Depth | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Nut Thickness | 1.177 INCHES MINIMUM AND 1.197 INCHES MAXIMUM IN |
| Drilled Hole Diameter | 0.062 INCHES NOMINAL IN |
| Countersink Angle | 89.5 DEGREES MINIMUM AND 90.5 DEGREES MAXIMUM NUT |
| Drive Point Quantity | 12 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 4130 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| Hole Type and Quantity | 12 DRILLED |
| 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 |
|---|---|
| 47-120-178-1 PRIMARY | Textron Systems Corporation Dba Textron Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 47-120-178-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-032-5655 is a Nut,plain,round, manufactured by Textron Systems Corporation Dba Textron Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-032-5655 has 1 manufacturer part number on file: 47-120-178-1 (Textron Systems Corporation Dba Textron Systems Corp).
Key specifications for 47-120-178-1: Thread Series: UN; Hole Configuration Style: CONFIGURATION F; Material Document and Classification: MIL-S-6758 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6736 MIL SPEC 1ST MATERIAL RESPONSE OR MIL-T-6756CANCELLED MIL SPEC 1ST MATERIAL RESPONSE OR MIL-S-5626 MIL SPEC 2ND MATERIAL RESPONSE OR MIL-S-6050 MIL SPEC 3RD MATERIAL RESPONSE OR MIL-S-6049 MIL SPEC 4TH MATERIAL RESPONSE OVERALL; Drive Point Width: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN. 17 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.