The Bolt,shoulder, cataloged under National Stock Number 5306-01-142-3538, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-01-142-3538 |
| Primary Part Number | MB160-7-16 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc |
| Status | ACTIVE |
| Head Height | 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN |
| Fastener Length | 1.583 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN |
| Shoulder Length | 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.4677 INCHES MINIMUM AND 0.4682 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.573 INCHES MINIMUM AND 0.640 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.438 INCHES IN |
| Head Style | SPLINE DRIVE SHEAR HEAD |
| Thread Direction | RIGHT-HAND |
| Head Minor Diameter | 0.707 INCHES MINIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| 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 |
|---|---|
| PBF1270-7-16 | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB160-7-16 PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
| ST3M838-7-16 | The Boeing Company Div Defense (USA) |
| MB160-7-16 PRIMARY | Hi-Shear Corporation (USA) |
| Reference | Meaning |
|---|---|
| ST3M838-7-16 | 5/2 Secondary reference U.S. Government activity |
| VS3191-7-16Y | C/1 Advisory reference — outside the item-of-supply concept Howmet Global Fastening Systems Inc |
| VS3191-7-16Y | 5/9 Secondary reference U.S. Government activity |
| 122898-7-16 | 5/2 Secondary reference U.S. Government activity |
| 122898-7-16 | 5/9 Secondary reference Sps Technologies, Llc Dba PB Fasteners |
NSN 5306-01-142-3538 is a Bolt,shoulder, manufactured by Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-142-3538 has 4 manufacturer part numbers on file: PBF1270-7-16 (Sps Technologies Llc Dba PB Fasteners Div PB Fasteners), MB160-7-16 (Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc), ST3M838-7-16 (The Boeing Company Div Defense), MB160-7-16 (Hi-Shear Corporation).
Key specifications for MB160-7-16: Head Height: 0.247 INCHES MINIMUM AND 0.267 INCHES MAXIMUM IN; Fastener Length: 1.583 INCHES MINIMUM AND 1.630 INCHES MAXIMUM IN; Shoulder Length: 0.990 INCHES MINIMUM AND 1.010 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.