The Bolt,eye, cataloged under National Stock Number 5306-00-871-5945, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 10 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-871-5945 |
| Primary Part Number | 6-40616-501 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| Status | ACTIVE |
| Eye Stock Diameter | 0.999 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN |
| Thread Length | 0.817 INCHES NOMINAL IN |
| Shank Length | 3.437 INCHES NOMINAL IN |
| Criticality Code Justification | FEAT |
| Material Document and Classification | MIL-S-7108 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 4.206 INCHES NOMINAL IN |
| Shoulder Diameter | 1.500 INCHES NOMINAL IN |
| Shoulder Thickness | 0.125 INCHES NOMINAL IN |
| Eye Inside Diameter | 0.875 INCHES MINIMUM AND 0.876 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.999 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Eye Outside Width | 1.500 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 | F |
| Part Number | Manufacturer |
|---|---|
| 6-40616-501 | Hdi Landing Gear Usa Inc (USA) |
| 6-40616-501 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 6-40616-501 | Alta Precision Inc (CAN) |
| 6-40616-501 | Hydromach Inc Dba Hydromach Inc (USA) |
| 6-40616-501 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems (USA) |
| 6-40616-501 | Machine Specialties, Llc (USA) |
| 6-40616-501 | Heroux-Devtek Inc (CAN) |
| 6-40616-501 | Northrop Grumman Systems Corporation (USA) |
| 6-40616-501 | Nassau Tool Works, Inc (USA) |
| 6-40616-501 | Gkn Fokker Aerospace B.v. Div Fokker Landing Gear B.v. (NLD) |
| Reference | Meaning |
|---|---|
| 6-40616-501 | 5/2 Secondary reference U.S. Government activity |
| 6-40616-501 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5306-00-871-5945 is a Bolt,eye, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-871-5945 has 10 manufacturer part numbers on file: 6-40616-501 (Hdi Landing Gear Usa Inc), 6-40616-501 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 6-40616-501 (Alta Precision Inc), 6-40616-501 (Hydromach Inc Dba Hydromach Inc), 6-40616-501 (Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems) and 5 more.
Key specifications for 6-40616-501: Eye Stock Diameter: 0.999 INCHES MINIMUM AND 1.001 INCHES MAXIMUM IN; Thread Length: 0.817 INCHES NOMINAL IN; Shank Length: 3.437 INCHES NOMINAL IN; Criticality Code Justification: FEAT. 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.