The Bolt,ring, cataloged under National Stock Number 5306-01-443-4908, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Jlg Industries, Inc.. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-443-4908 |
| Primary Part Number | 6618281 |
| Item Name | Bolt,ring |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Jlg Industries, Inc. |
| Status | ACTIVE |
| Thread Length | 0.750 INCHES NOMINAL IN |
| Shank Length | 3.250 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | ASTMA576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Quantity Per Inch | 13 |
| Material | STEEL COMP 1008 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 2.620 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 |
| Part Number | Manufacturer |
|---|---|
| 6618281 PRIMARY | Jlg Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 6618281 | 5/9 Secondary reference Trak International |
NSN 5306-01-443-4908 is a Bolt,ring, manufactured by Jlg Industries, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-443-4908 has 1 manufacturer part number on file: 6618281 (Jlg Industries, Inc.).
Key specifications for 6618281: Thread Length: 0.750 INCHES NOMINAL IN; Shank Length: 3.250 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED W/SHOULDER; Material Document and Classification: ASTMA576 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.