The Bolt,shear, cataloged under National Stock Number 5306-01-063-1000, 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 17 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-063-1000 |
| Primary Part Number | MS21250-18018 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Extended Washer Thickness | 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Head Height | 1.041 INCHES MINIMUM AND 1.061 INCHES MAXIMUM IN |
| Fastener Length | 2.785 INCHES MINIMUM AND 2.805 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.865 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Thread Length | 1.650 INCHES MINIMUM AND 1.690 INCHES MAXIMUM IN |
| Hardness Rating | 39.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Width Between Flats | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Grip Diameter | 1.1225 INCHES MINIMUM AND 1.1240 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| MS21250-18018 PRIMARY | Sae International Dba Sae International (USA) |
| MS21250-18018 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MS21250-18018 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| MS21250-18018 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-01-063-1000 is a Bolt,shear, manufactured by Sae International Dba Sae International, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-063-1000 has 3 manufacturer part numbers on file: MS21250-18018 (Sae International Dba Sae International), MS21250-18018 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), MS21250-18018 (Sps Technologies, Llc Dba PB Fasteners).
Key specifications for MS21250-18018: Extended Washer Thickness: 0.248 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN; Head Height: 1.041 INCHES MINIMUM AND 1.061 INCHES MAXIMUM IN; Fastener Length: 2.785 INCHES MINIMUM AND 2.805 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.