The Bolt,eye, cataloged under National Stock Number 5306-00-271-6865, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 19 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-271-6865 |
| Primary Part Number | 7971596 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Thread Length | 0.406 INCHES MINIMUM IN |
| Shank Unthreaded Hole Diameter | 0.070 INCHES NOMINAL FIRST HOLE IN |
| Shank Length | 1.281 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | MIL-B-6812 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 1.686 INCHES NOMINAL IN |
| Shoulder Diameter | 0.438 INCHES NOMINAL IN |
| Shoulder Thickness | 0.062 INCHES NOMINAL IN |
| Distance From Threaded End to Shank Hole Center | 1.141 INCHES NOMINAL FIRST HOLE IN |
| Surface Treatment | CADMIUM OVERALL |
| Eye Inside Diameter | 0.188 INCHES MINIMUM AND 0.191 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.089 INCHES MINIMUM AND 0.099 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 4037 OR STEEL COMP 4130 OR STEEL COMP 8630 OR STEEL COMP 8735 OR STEEL COMP 8740 OR STEEL COMP 4140 OVERALL |
| Thread Series Designator | UNF |
| Eye Outside Width | 0.438 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 |
|---|---|
| 7971596 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| Reference | Meaning |
|---|---|
| AN42B12 | 5/9 Secondary reference U.S. Government activity |
| AN42B12 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-271-6865 is a Bolt,eye, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-271-6865 has 1 manufacturer part number on file: 7971596 (U S Army Tank Automotive Command Amsta-Im-Mm).
Key specifications for 7971596: Thread Length: 0.406 INCHES MINIMUM IN; Shank Unthreaded Hole Diameter: 0.070 INCHES NOMINAL FIRST HOLE IN; Shank Length: 1.281 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED W/SHOULDER. 19 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.