The Bolt,shear, cataloged under National Stock Number 5306-01-383-2946, 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 17 specifications, cited from the U.S. Government catalog. The record lists 20 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-383-2946 |
| Primary Part Number | X384-4H6 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Huck International, Inc |
| 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 | 0.793 INCHES MINIMUM AND 0.823 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.460 INCHES MINIMUM AND 0.470 INCHES MAXIMUM IN |
| Thread Length | 0.446 INCHES NOMINAL IN |
| Material Document and Classification | QQ-P-35 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.362 INCHES MINIMUM AND 0.382 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.318 INCHES NOMINAL IN |
| Grip Diameter | 0.2490 INCHES MINIMUM AND 0.2495 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 03A099-4H6 | Huck International, Inc (USA) |
| X384-4H6 PRIMARY | Huck International, Inc (USA) |
| 03A099-4H6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 03A099-4H6 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| 03A099-4H6 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| MB210-4H6 | Hi-Shear Corporation (USA) |
| MB210-4H6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| AIC1654-4H6 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 03A099-4H6 | Hi-Shear Corporation (USA) |
| 03A099-4H6 | Howmet Global Fastening Systems Inc (USA) |
| 03A099-4H6 | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| VCG0016-4H6 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 03A099-4H6 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| 03A099-4H6 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 03A099-4H6 | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| SLB187-4H6 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| SII1182-4H6 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 03A099-4H6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| PBF142-4H6 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 03A099-4H6 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| Reference | Meaning |
|---|---|
| VS3318-4H6 | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| X384-4H6 | 5/9 Secondary reference U.S. Government activity |
| DF33004-4H6 | 5/9 Secondary reference U.S. Government activity |
| 123710-4H6 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-383-2946 is a Bolt,shear, manufactured by Huck International, Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-383-2946 has 20 manufacturer part numbers on file: 03A099-4H6 (Huck International, Inc), X384-4H6 (Huck International, Inc), 03A099-4H6 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 03A099-4H6 (Sps Technologies, Llc Dba PB Fasteners), 03A099-4H6 (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok) and 15 more.
Key specifications for X384-4H6: 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: 0.793 INCHES MINIMUM AND 0.823 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.