The Bolt,shoulder, cataloged under National Stock Number 5306-01-437-5010, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Mechanical Technology, Incorporated Div Mti Instruments Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-437-5010 |
| Primary Part Number | 788B163 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Mechanical Technology, Incorporated Div Mti Instruments Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 1.503 INCHES NOMINAL IN |
| Head Height | 2.063 INCHES NOMINAL IN |
| Fastener Length | 3.750 INCHES NOMINAL IN |
| Shoulder Length | 2.625 INCHES NOMINAL FIRST SHOULDER IN |
| Extended Washer Diameter | 2.000 INCHES NOMINAL IN |
| Shoulder Diameter | 1.438 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.935 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | AMS 5604 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.250 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 10 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 788B163 PRIMARY | Mechanical Technology, Incorporated Div Mti Instruments Inc (USA) |
NSN 5306-01-437-5010 is a Bolt,shoulder, manufactured by Mechanical Technology, Incorporated Div Mti Instruments Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-437-5010 has 1 manufacturer part number on file: 788B163 (Mechanical Technology, Incorporated Div Mti Instruments Inc).
Key specifications for 788B163: Extended Washer Thickness: 1.503 INCHES NOMINAL IN; Head Height: 2.063 INCHES NOMINAL IN; Fastener Length: 3.750 INCHES NOMINAL IN; Shoulder Length: 2.625 INCHES NOMINAL FIRST SHOULDER IN. 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.