The Bolt,machine, cataloged under National Stock Number 5306-01-418-5180, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 15 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-418-5180 |
| Primary Part Number | B18234B10020N |
| Item Name | Bolt,machine |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Extended Washer Thickness | 3.8 MILLIMETERS NOMINAL MM |
| Head Height | 9.2 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 20.0 MILLIMETERS NOMINAL MM |
| Surface Treatment Document and Classification | QQ-Z-325, TY2, CL3. FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 22.3 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 17.8 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 12.57 MILLIMETERS MINIMUM AND 13.00 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC OVERALL |
| Material | STEEL PROPERTY CLASS 10.9 OVERALL |
| Thread Series Designator | M |
| 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 |
|---|---|
| B18234B10020N PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| B18234B10020N | 3/9 Design control — primary reference U.S. Government activity |
| B18234B10020N | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-418-5180 is a Bolt,machine, manufactured by Sae International Dba Sae International, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-418-5180 has 1 manufacturer part number on file: B18234B10020N (Sae International Dba Sae International).
Key specifications for B18234B10020N: Extended Washer Thickness: 3.8 MILLIMETERS NOMINAL MM; Head Height: 9.2 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 20.0 MILLIMETERS NOMINAL MM. 15 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.