The Bolt,square Neck, cataloged under National Stock Number 5306-01-291-5684, 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 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-291-5684 |
| Primary Part Number | 8304042 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Jlg Industries, Inc. |
| Status | ACTIVE |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | ASTM B633 TY 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 16 |
| 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 |
|---|---|
| 8304042 PRIMARY | Jlg Industries, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 8304042 | 5/9 Secondary reference Trak International |
NSN 5306-01-291-5684 is a Bolt,square Neck, manufactured by Jlg Industries, Inc., classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-291-5684 has 1 manufacturer part number on file: 8304042 (Jlg Industries, Inc.).
Key specifications for 8304042: Fastener Length: 2.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: ASTM B633 TY 3 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: SAE GRADE 5 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nominal Thread Diameter: 0.375 INCHES IN. 10 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.