The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-604-1075, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 22 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-604-1075 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.310 INCHES NOMINAL IN |
| Rib Included Angle | 90.0 DEGREES NOMINAL |
| Fastener Length | 2.370 INCHES NOMINAL IN |
| Shoulder Length | 1.220 INCHES NOMINAL FIRST SHOULDER IN |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.060 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.974 INCHES MINIMUM AND 0.975 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 1.150 INCHES NOMINAL IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 277.0 BRINELL STANDARD MINIMUM AND 283.0 BRINELL STANDARD MAXIMUM OVERALL |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Rib Length | 0.430 INCHES MINIMUM AND 0.520 INCHES MAXIMUM IN |
| Rib Minor Diameter | 0.927 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | LEFT-HAND |
| Rib Major Diameter | 1.020 INCHES MINIMUM AND 1.024 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 5135 OR STEEL COMP 5120 OVERALL |
| Thread Series Designator | UNF |
| Rib Quantity | 36 |
| Head Diameter | 1.310 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 |
|---|---|
| 7EQ1119 | 3/9 Design control — primary reference Ford Motor Co Ford Parts and Service Div Government Part Sales |
| 7EQ1119 | C/1 Advisory reference — outside the item-of-supply concept Ford Motor Company |
NSN 5306-00-604-1075 is a Bolt,ribbed Shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-604-1075: Head Height: 0.310 INCHES NOMINAL IN; Rib Included Angle: 90.0 DEGREES NOMINAL; Fastener Length: 2.370 INCHES NOMINAL IN; Shoulder Length: 1.220 INCHES NOMINAL FIRST SHOULDER IN. 22 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.