The Bolt,shear, cataloged under National Stock Number 5306-01-506-5176, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 17 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-506-5176 |
| Primary Part Number | ST3M571-5H10 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.082 INCHES NOMINAL IN |
| Head Height | 0.348 INCHES NOMINAL IN |
| Fastener Length | 1.161 INCHES MINIMUM AND 1.191 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | AMS-QQ-P-35 ASSN STD 2ND TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 0.526 INCHES NOMINAL IN |
| Thread Length | 0.551 INCHES NOMINAL IN |
| Material Document and Classification | AMS5629 ASSN STD 2ND MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 0.625 INCHES NOMINAL IN |
| Width Between Flats | 0.376 INCHES NOMINAL IN |
| Grip Diameter | 0.3115 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| 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 |
|---|---|
| ST3M571-5H10 | Saturn Fasteners Inc (USA) |
| S11-1059-5H10 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 11831-5H10 | Reid Products Inc. Dba Reid Products Inc (USA) |
| VS3060-5H10 | Howmet Global Fastening Systems Inc (USA) |
| ST3M571-5H10 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB84-5H10 | Hi-Shear Corporation (USA) |
| 74328-5H10 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC752-5H10 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M571-5H10 | Heartland Precision Fasteners Inc (USA) |
| ST3M571-5H10 PRIMARY | The Boeing Company Div Defense (USA) |
| MB84-5H10 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| GS10305-H-10 | B & B Specialties Inc Dba Gs Aerospace Div Gs Aerospace (USA) |
| ST3M571-5H10 | Alta Products Co Inc (USA) |
| ST3M571-5H10 | Fastener Innovation Technology, Inc. Dba F I T (USA) |
| VAL23033-5H10 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M571-5H10 | Huck International, Inc (USA) |
| ST3M571-5H10 | Houston Precision Fasteners I Lp (USA) |
| Reference | Meaning |
|---|---|
| S371-5H10 | 5/9 Secondary reference Huck International, Inc |
| 74328-5H10 | 5/9 Secondary reference Sps Technologies Inc |
| ST3M571-5H10 | 5/9 Secondary reference U.S. Government activity |
| BM3326-5H10 | 5/9 Secondary reference U.S. Government activity |
| BM3326-5H10 | 5/9 Secondary reference Huck International, Inc |
NSN 5306-01-506-5176 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-506-5176 has 17 manufacturer part numbers on file: ST3M571-5H10 (Saturn Fasteners Inc), S11-1059-5H10 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), 11831-5H10 (Reid Products Inc. Dba Reid Products Inc), VS3060-5H10 (Howmet Global Fastening Systems Inc), ST3M571-5H10 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners) and 12 more.
Key specifications for ST3M571-5H10: Extended Washer Thickness: 0.082 INCHES NOMINAL IN; Head Height: 0.348 INCHES NOMINAL IN; Fastener Length: 1.161 INCHES MINIMUM AND 1.191 INCHES MAXIMUM IN; Surface Treatment Document and Classification: AMS-QQ-P-35 ASSN STD 2ND 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.