The Bolt,shear, cataloged under National Stock Number 5306-01-286-3505, 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 8 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-286-3505 |
| Primary Part Number | ST3M571-10-32 |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Extended Washer Thickness | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Head Height | 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN |
| Fastener Length | 2.897 INCHES MINIMUM AND 2.927 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Extended Washer Diameter | 1.040 INCHES MINIMUM AND 1.050 INCHES MAXIMUM IN |
| Thread Length | 0.887 INCHES MINIMUM AND 0.937 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | DOUBLE HEXAGON W/HOLE |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.990 INCHES MINIMUM AND 2.010 INCHES MAXIMUM IN |
| Width Between Flats | 0.690 INCHES NOMINAL IN |
| Grip Diameter | 0.6235 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 |
|---|---|
| MB84-10-32 | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| S11-1059-10-32 | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| ST3M571-10-32 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| 74328-10-32 | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC752-10-32 | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| ST3M571-10-32 PRIMARY | The Boeing Company Div Defense (USA) |
| MB84-10-32 | Hi-Shear Corporation (USA) |
| VAL23033-10-32 | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| Reference | Meaning |
|---|---|
| S371-10-32 | 5/9 Secondary reference U.S. Government activity |
| VS3060-10-32 | 5/9 Secondary reference U.S. Government activity |
| VS3060-10-32 | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| BM3326-10-32 | 5/9 Secondary reference U.S. Government activity |
| 74328-10-32 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-01-286-3505 is a Bolt,shear, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-286-3505 has 8 manufacturer part numbers on file: MB84-10-32 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), S11-1059-10-32 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), ST3M571-10-32 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), 74328-10-32 (Sps Technologies, Llc Dba PB Fasteners), AIC752-10-32 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company) and 3 more.
Key specifications for ST3M571-10-32: Extended Washer Thickness: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Head Height: 0.608 INCHES MINIMUM AND 0.628 INCHES MAXIMUM IN; Fastener Length: 2.897 INCHES MINIMUM AND 2.927 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.