The Nut,eye, cataloged under National Stock Number 5310-01-728-7652, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ken Forging Inc. Government technical data includes 15 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-728-7652 |
| Primary Part Number | EN-5-2H-ZN |
| Item Name | Nut,eye |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ken Forging Inc |
| Status | ACTIVE |
| Nut Width | 2.0 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM A194-2H AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL |
| Eye Body Thickness | 0.375 INCHES NOMINAL IN |
| Hole Height | 1.5 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.5 INCHES IN |
| Hole Width | 1.25 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL |
| Nut Style | EYE |
| Hole Nominal Thread Diameter | 0.5 INCHES IN |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Fabrication Method | FORGED |
| Hole Type and Quantity | 1 TAPPED |
| 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 |
|---|---|
| EN-5-2H-ZN PRIMARY | Ken Forging Inc (USA) |
NSN 5310-01-728-7652 is a Nut,eye, manufactured by Ken Forging Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-728-7652 has 1 manufacturer part number on file: EN-5-2H-ZN (Ken Forging Inc).
Key specifications for EN-5-2H-ZN: Overall Height: 2.5 INCHES NOMINAL IN; Nut Width: 2.0 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM A194-2H AMERICAN SOCIETY FOR TESTING AND MATERIALS (ASTM) SINGLE MATERIAL RESPONSE OVERALL. 15 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.