The Bolt,eye, cataloged under National Stock Number 5306-00-401-4993, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 17 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 | 5306-00-401-4993 |
| Primary Part Number | 65A137C77 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-STD-171 FINISH NO. 5. 4. 1. MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.375 INCHES MAXIMUM IN |
| Hardness Rating | 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.437 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED |
| Material Document and Classification | MIL-S-18732 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 0.718 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Eye Inside Diameter | 0.249 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.250 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 431 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 |
|---|---|
| 65A137C77 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5306-00-401-4993 is a Bolt,eye, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-401-4993 has 1 manufacturer part number on file: 65A137C77 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 65A137C77: Surface Treatment Document and Classification: MIL-STD-171 FINISH NO. 5. 4. 1. MIL STD SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.375 INCHES MAXIMUM IN; Hardness Rating: 25.0 ROCKWELL C MINIMUM AND 30.0 ROCKWELL C MAXIMUM OVERALL; Shank Length: 0.437 INCHES NOMINAL IN. 17 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.