The Bolt,eye, cataloged under National Stock Number 5306-01-077-7097, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 18 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 | 5306-01-077-7097 |
| Primary Part Number | 1940B4812 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Eye Stock Diameter | 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-Z-325,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Shank Length | 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | MIL-B-45908 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 1.950 INCHES MINIMUM AND 2.185 INCHES MAXIMUM IN |
| Shoulder Diameter | 0.880 INCHES MINIMUM AND 0.940 INCHES MAXIMUM IN |
| Shoulder Thickness | 0.190 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Surface Treatment | ZINC OVERALL |
| Eye Inside Diameter | 1.120 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Eye Outside Width | 2.120 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 |
|---|---|
| 1940B4812 PRIMARY | Northrop Grumman Systems Corporation (USA) |
NSN 5306-01-077-7097 is a Bolt,eye, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-077-7097 has 1 manufacturer part number on file: 1940B4812 (Northrop Grumman Systems Corporation).
Key specifications for 1940B4812: Eye Stock Diameter: 0.440 INCHES MINIMUM AND 0.500 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-Z-325,TYPE 1,CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN; Shank Length: 0.670 INCHES MINIMUM AND 0.710 INCHES MAXIMUM IN. 18 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.