The Bolt,ribbed Neck, cataloged under National Stock Number 5306-01-269-9125, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 16 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-269-9125 |
| Item Name | Bolt,ribbed Neck |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 7.380 INCHES NOMINAL IN |
| Thread Length | 2.000 INCHES NOMINAL IN |
| Shank Unthreaded Hole Diameter | 0.218 INCHES NOMINAL FIRST HOLE IN |
| Material Document and Classification | ASTM A108 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Rib Length | 0.380 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP 1018 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 7.130 INCHES NOMINAL FIRST HOLE IN |
| Rib Quantity | 20 |
| Head Diameter | 1.750 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 |
|---|---|
| 52B10816 | 7/2 Vendor item drawing reference Curtiss-Wright Flow Control Service, Llc Dba Engineered Arresting Systems - Esco Div Cw Flow Control Svc Llc Dba |
| 549085 | 3/9 Design control — primary reference U.S. Government activity |
| 52D9246-1 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-01-269-9125 is a Bolt,ribbed Neck, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-269-9125: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 7.380 INCHES NOMINAL IN; Thread Length: 2.000 INCHES NOMINAL IN; Shank Unthreaded Hole Diameter: 0.218 INCHES NOMINAL FIRST HOLE IN. 16 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.