The Bolt,eye, cataloged under National Stock Number 5306-01-320-1047, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is L a Benson Company Incorporated, the. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-320-1047 |
| Primary Part Number | WILLIAMS NO. 21 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | L a Benson Company Incorporated, the |
| Status | ACTIVE |
| Eye Stock Diameter | 0.219 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.875 INCHES NOMINAL IN |
| Shank Length | 1.125 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Eye Inside Diameter | 0.750 INCHES NOMINAL IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 1.188 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 |
|---|---|
| WILLIAMS NO. 21 PRIMARY | L a Benson Company Incorporated, the (USA) |
| Reference | Meaning |
|---|---|
| 54B7022H07 | 7/2 Vendor item drawing reference Northrop Grumman Support Services Corp |
| 54B7022H07 | 7/9 Vendor item drawing reference U.S. Government activity |
NSN 5306-01-320-1047 is a Bolt,eye, manufactured by L a Benson Company Incorporated, the, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-320-1047 has 1 manufacturer part number on file: WILLIAMS NO. 21 (L a Benson Company Incorporated, the).
Key specifications for WILLIAMS NO. 21: Eye Stock Diameter: 0.219 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416 TY2 CL2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.875 INCHES NOMINAL IN; Shank Length: 1.125 INCHES NOMINAL IN. 14 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.