The Bolt,shear, cataloged under National Stock Number 5306-01-386-3575, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-386-3575 |
| Primary Part Number | 03A099-6-18A |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Extended Washer Thickness | 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Head Height | 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN |
| Fastener Length | 1.718 INCHES MINIMUM AND 1.748 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | MIL-C-83488, TY II, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN |
| Thread Length | 0.608 INCHES NOMINAL IN |
| Material Document and Classification | AMS5662 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 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 | 0.448 INCHES MINIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| DF33004-6-18A | Huck International, Inc (USA) |
| SII1182-6-18A | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| MB210-6-18A | Hi-Shear Corporation (USA) |
| SLB187-6-18A | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| PBF1421-6-18A | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB210-6-18A | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| X384-6-18A | Huck International, Inc (USA) |
| VCG0016-6-18A | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| 03A099-6-18A | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
| AIC1654-6-18A | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 03A099-6-18A PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| Reference | Meaning |
|---|---|
| DF33004-6-18A | 5/9 Secondary reference U.S. Government activity |
| VS3318-6-18A | 5/2 Secondary reference U.S. Government activity |
| X384-6-18A | 5/9 Secondary reference U.S. Government activity |
| VS3318-6-18A | 5/9 Secondary reference Voi-Shan/chatsworth Div of Vsi Corp Sub of Fairchild Industries Inc |
| 123710-6-18A | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-386-3575 is a Bolt,shear, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-386-3575 has 11 manufacturer part numbers on file: DF33004-6-18A (Huck International, Inc), SII1182-6-18A (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), MB210-6-18A (Hi-Shear Corporation), SLB187-6-18A (Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok), PBF1421-6-18A (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 6 more.
Key specifications for 03A099-6-18A: Extended Washer Thickness: 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN; Head Height: 0.327 INCHES MINIMUM AND 0.347 INCHES MAXIMUM IN; Fastener Length: 1.718 INCHES MINIMUM AND 1.748 INCHES MAXIMUM IN; Surface Treatment Document and Classification: MIL-C-83488, TY II, CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL. 19 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.