The Nut,plain,round, cataloged under National Stock Number 5310-00-059-5217, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-059-5217 |
| Primary Part Number | MS172246 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Surface Treatment Document and Classification | AMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNS |
| Hardness Rating | 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM |
| Thread Pitch Diameters | +1.9309 TO 1.9354 INCHES IN |
| Material Document and Classification | AMS 6381 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 6382 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.967 INCHES IN |
| Nut Diameter | 2.485 INCHES MINIMUM AND 2.505 INCHES MAXIMUM IN |
| Drive Point Depth | 0.086 INCHES MINIMUM AND 0.096 INCHES MAXIMUM IN |
| Nut Thickness | 0.302 INCHES MINIMUM AND 0.322 INCHES MAXIMUM IN |
| Countersink Angle | 90.0 DEGREES NOMINAL NUT |
| Drive Point Quantity | 8 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4140 OVERALL |
| 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 |
|---|---|
| MS172246 PRIMARY | Sae International Dba Sae International (USA) |
| MS172246 | Goriziane Group Spa (ITA) |
| Reference | Meaning |
|---|---|
| MS172246 | 3/9 Design control — primary reference U.S. Government activity |
| MS172246 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-059-5217 is a Nut,plain,round, manufactured by Sae International Dba Sae International, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-059-5217 has 2 manufacturer part numbers on file: MS172246 (Sae International Dba Sae International), MS172246 (Goriziane Group Spa).
Key specifications for MS172246: Surface Treatment Document and Classification: AMS 2481 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNS; Hardness Rating: 26.0 ROCKWELL C MINIMUM AND 32.0 ROCKWELL C MAXIMUM; Thread Pitch Diameters: +1.9309 TO 1.9354 INCHES IN. 16 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.