The Bolt,shear, cataloged under National Stock Number 5306-01-417-3173, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 9 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-417-3173 |
| Primary Part Number | SII1182-4-18 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| Status | ACTIVE |
| Extended Washer Thickness | 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN |
| Head Height | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Fastener Length | 1.556 INCHES MINIMUM AND 1.586 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Thread Length | 0.421 INCHES MINIMUM AND 0.471 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.318 INCHES MINIMUM AND 0.324 INCHES MAXIMUM IN |
| Grip Diameter | 0.2485 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | NICKEL ALLOY 718 OVERALL |
| 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 |
|---|---|
| SII1182-4-18 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB210-4-18 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AIC1654-4-18 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| VCG0016-4-18 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| PBF1421-4-18 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| SLB187-4-18 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| DF33004-4-18 | Huck International, Inc (USA) |
| MB210-4-18 | Hi-Shear Corporation (USA) |
| 03A099-4-18 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| Reference | Meaning |
|---|---|
| 123710-4-18 | 5/2 Secondary reference U.S. Government activity |
| VS3318-4-18 | 3/9 Design control — primary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| DF33004-4-18 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-417-3173 is a Bolt,shear, manufactured by Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-417-3173 has 9 manufacturer part numbers on file: SII1182-4-18 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), MB210-4-18 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), AIC1654-4-18 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), VCG0016-4-18 (Valley-Todeco, Inc. Dba Arconic Fastening Systems), PBF1421-4-18 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 4 more.
Key specifications for SII1182-4-18: Extended Washer Thickness: 0.026 INCHES MINIMUM AND 0.046 INCHES MAXIMUM IN; Head Height: 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN; Fastener Length: 1.556 INCHES MINIMUM AND 1.586 INCHES MAXIMUM IN; Extended Washer Diameter: 0.460 INCHES MINIMUM AND 0.470 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.