The Bolt,shear, cataloged under National Stock Number 5306-01-617-8218, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Huck International, Inc. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 6 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-617-8218 |
| Primary Part Number | MS21297-10054 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Head Height | 0.562 INCHES NOMINAL IN |
| Fastener Length | 4.395 INCHES NOMINAL IN |
| Extended Washer Diameter | 1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM IN |
| Thread Length | 1.005 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.6250 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.375 INCHES NOMINAL IN |
| Head Minor Diameter | 0.673 INCHES MINIMUM AND 0.688 INCHES MAXIMUM IN |
| Grip Diameter | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| MS21297-10054 | Huck International, Inc (USA) |
| MS21297-10054 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| MS21297-10054 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| MS21297-10054 | Tactair Fluid Controls Inc (USA) |
| MS21297-10054 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MS21297-10054 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| Reference | Meaning |
|---|---|
| MS21297-10054 | 5/2 Secondary reference U.S. Government activity |
| NAMS21297-10054 | 5/9 Secondary reference U.S. Government activity |
| MS21297-10054 | 3/2 Design control — primary reference U.S. Government activity |
| MS21297-10054 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-617-8218 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-617-8218 has 6 manufacturer part numbers on file: MS21297-10054 (Huck International, Inc), MS21297-10054 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), MS21297-10054 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), MS21297-10054 (Tactair Fluid Controls Inc), MS21297-10054 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 1 more.
Key specifications for MS21297-10054: Extended Washer Thickness: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Head Height: 0.562 INCHES NOMINAL IN; Fastener Length: 4.395 INCHES NOMINAL IN; Extended Washer Diameter: 1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM 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.