The Bolt,shoulder, cataloged under National Stock Number 5306-01-683-6816, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Div Mqmi. Government technical data includes 9 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 | 5306-01-683-6816 |
| Primary Part Number | 19813 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fastenal Company Div Mqmi |
| Status | ACTIVE |
| Fastener Length | 2.5 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASME B18.2.1, SAE J429, ASTM F788 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Features Provided | WASHER |
| Head Style | HEXAGON |
| Surface Treatment | OIL AND PHOSPHATE OVERALL |
| Thread Quantity Per Inch | 13 |
| Material | STEEL 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 |
|---|---|
| 19813 PRIMARY | Fastenal Company Div Mqmi (USA) |
NSN 5306-01-683-6816 is a Bolt,shoulder, manufactured by Fastenal Company Div Mqmi, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-683-6816 has 1 manufacturer part number on file: 19813 (Fastenal Company Div Mqmi).
Key specifications for 19813: Fastener Length: 2.5 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASME B18.2.1, SAE J429, ASTM F788 INTERNATIONAL STD/SPEC ALL TREATMENT RESPONSES OVERALL; Nominal Thread Diameter: 0.500 INCHES IN; Features Provided: WASHER. 9 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.