The Bolt,shear, cataloged under National Stock Number 5306-01-197-3387, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Hi-Shear Corporation. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 12 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-197-3387 |
| Primary Part Number | MB156-10-19 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Extended Washer Thickness | 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN |
| Head Height | 0.452 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Fastener Length | 2.085 INCHES MINIMUM AND 2.115 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.153 INCHES MINIMUM AND 1.163 INCHES MAXIMUM IN |
| Thread Length | 0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.178 INCHES MINIMUM AND 1.198 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.774 INCHES MINIMUM AND 0.782 INCHES MAXIMUM IN |
| Grip Diameter | 0.6230 INCHES MINIMUM AND 0.6240 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP XM-13 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 |
|---|---|
| MB156-10-19 PRIMARY | Hi-Shear Corporation (USA) |
| 122897-10-19 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| ST3M753-10-19 | Huck International, Inc (USA) |
| PBF1267-10-19 PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| VFK600-10-19 PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| GS1032-10-19 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| VS3190-10-19 PRIMARY | Howmet Global Fastening Systems Inc (USA) |
| ST3M753-10-19 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| MB156-10-19 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| SLB255-10-19 | Space-Lok, Inc. Dba Space-Lok Inc Div Space-Lok (USA) |
| AIC763-10-19 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| HP7753-10-19 | Heartland Precision Fasteners Inc (USA) |
| Reference | Meaning |
|---|---|
| 10130708 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 122897-10-19 | 5/9 Secondary reference U.S. Government activity |
| ST3M753-10-19 | 5/2 Secondary reference U.S. Government activity |
| VS3190-10-19 | 5/9 Secondary reference U.S. Government activity |
| ST3M753-10-19 | 7/2 Vendor item drawing reference The Boeing Company Div Defense |
| S343-10-19 | 5/9 Secondary reference U.S. Government activity |
| ST3M753-10-19 | 5/9 Secondary reference Sps Technologies Inc |
NSN 5306-01-197-3387 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-197-3387 has 12 manufacturer part numbers on file: MB156-10-19 (Hi-Shear Corporation), 122897-10-19 (Sps Technologies, Llc Dba PB Fasteners), ST3M753-10-19 (Huck International, Inc), PBF1267-10-19 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), VFK600-10-19 (Valley-Todeco, Inc. Dba Arconic Fastening Systems) and 7 more.
Key specifications for MB156-10-19: Extended Washer Thickness: 0.080 INCHES MINIMUM AND 0.100 INCHES MAXIMUM IN; Head Height: 0.452 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN; Fastener Length: 2.085 INCHES MINIMUM AND 2.115 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED 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.