The Bolt,eye, cataloged under National Stock Number 5306-00-206-0772, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-206-0772 |
| Primary Part Number | 81328634 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Eye Stock Diameter | 0.438 INCHES NOMINAL IN |
| Thread Length | 1.250 INCHES MINIMUM IN |
| Shank Length | 2.531 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED |
| Material Document and Classification | MIL-S-20166 MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 4.062 INCHES NOMINAL IN |
| Eye Inside Diameter | 1.188 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 20 |
| Material | STEEL COMP 1022 OR STEEL COMP 8620 OVERALL |
| Thread Series Designator | UNF |
| 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 |
|---|---|
| 81328634 | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| 00583 | 3/9 Design control — primary reference Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| 81328634 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5306-00-206-0772 is a Bolt,eye, manufactured by Fairbanks Morse, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-206-0772 has 1 manufacturer part number on file: 81328634 (Fairbanks Morse, Llc).
Key specifications for 81328634: Eye Stock Diameter: 0.438 INCHES NOMINAL IN; Thread Length: 1.250 INCHES MINIMUM IN; Shank Length: 2.531 INCHES NOMINAL IN; Style Designator: ROUND, CLOSED. 13 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.