The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-471-0788, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-471-0788 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.090 INCHES NOMINAL IN |
| Fastener Length | 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN |
| Shoulder Length | 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM FIRST SHOULDER IN |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.020 INCHES NOMINAL IN |
| Shoulder Diameter | 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.690 INCHES MINIMUM IN |
| Shoulder Shape | RIBBED FIRST SHOULDER |
| Material Document and Classification | ESS--1A170-B GR 5.1 FSCM 26377 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Rib Length | 0.180 INCHES NOMINAL IN |
| Rib Minor Diameter | 0.192 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Rib Major Diameter | 0.203 INCHES MINIMUM AND 0.209 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.500 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 383759S8B | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 383759S8B | 5/9 Secondary reference Ford Motor Company |
NSN 5306-00-471-0788 is a Bolt,ribbed Shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-471-0788: Head Height: 0.090 INCHES NOMINAL IN; Fastener Length: 0.890 INCHES MINIMUM AND 0.910 INCHES MAXIMUM IN; Shoulder Length: 0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM FIRST SHOULDER IN; Distance From Largest Diameter of Bearing Surface of Head to Ribs: 0.020 INCHES NOMINAL IN. 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.