The Bolt,shear, cataloged under National Stock Number 5306-01-157-3372, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Hi-Shear Corporation. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-157-3372 |
| Primary Part Number | MB156-6-18F |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Hi-Shear Corporation |
| Status | ACTIVE |
| Grip Length | 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM AND CHROMATE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Quantity Per Inch | 24 |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material | STEEL COMP XM-13 OVERALL |
| Surface Treatment Document and Classification | MIL-C-83488,TY 2 CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Height | 0.263 INCHES MINIMUM AND 0.303 INCHES MAXIMUM IN |
| Head Minor Diameter | 0.424 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Grip Diameter | 0.3735 INCHES MINIMUM AND 0.3745 INCHES MAXIMUM IN |
| Thread Length | 0.589 INCHES MINIMUM AND 0.639 INCHES MAXIMUM IN |
| Fastener Length | 1.724 INCHES MINIMUM AND 1.754 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5629 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Minimum Tensile Strength | 220000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Head Style | SPLINE EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Extended Washer Diameter | 0.691 INCHES MINIMUM AND 0.701 INCHES MAXIMUM IN |
| Extended Washer Thickness | 0.044 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| VS3190-6-18F | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| S343-6-18F | Huck Intl Inc (USA) |
| MB156-6-18F PRIMARY | Hi-Shear Corporation (USA) |
| AIC763-6-18F PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| 10116028 | Nimikkeistokeskus Ncb Finland (FIN) |
| MB156-6-18BV | Hi-Shear Corporation (USA) |
| VS190BJ6-18 | Howmet Global Fastening Systems Inc Div Torrance Operations (USA) |
| 11829-6-18F | Reid Products Inc. Dba Reid Products Inc (USA) |
| 122897-6-18F PRIMARY | Sps Technologies, Llc Dba Aerospace Fasteners Group Div Aerospace - Santa Ana (USA) |
| VFK600-6-18F PRIMARY | Valley-Todeco, Inc. Dba Arconic Fastening Systems (USA) |
| ST3M753-6-18F | The Boeing Company Div Defense (USA) |
| PBF1267-6-18F PRIMARY | Sps Technologies Llc Dba PB Fasteners Div PB Fasteners (USA) |
| MB156-6-18F PRIMARY | Lisi Aerospace Canada Corp Div Hi Shear Holdings Inc (CAN) |
NSN 5306-01-157-3372 is a Bolt,shear, manufactured by Hi-Shear Corporation, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-01-157-3372 has 13 cross-referenced part numbers: VS3190-6-18F (Howmet Global Fastening Systems Inc Div Torrance Operations), S343-6-18F (Huck Intl Inc), MB156-6-18F (Hi-Shear Corporation), AIC763-6-18F (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company), 10116028 (Nimikkeistokeskus Ncb Finland) and 8 more.
There is 1 known substitute for 5306-01-157-3372: 5930-00-546-8985. Verify interchangeability with system specifications before substitution.
Key specifications for MB156-6-18F: Grip Length: 1.115 INCHES MINIMUM AND 1.135 INCHES MAXIMUM IN; Surface Treatment: ALUMINUM AND CHROMATE OVERALL; Nominal Thread Diameter: 0.375 INCHES IN; Thread Quantity Per Inch: 24. 20 total characteristics are documented in the Federal Logistics Information System.