The Bolt,ring, cataloged under National Stock Number 5306-00-075-9380, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Oro Manufacturing Co. Government technical data includes 19 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5306-00-075-9380 |
| Primary Part Number | A3A1007-5 |
| Item Name | Bolt,ring |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Oro Manufacturing Co |
| Status | ACTIVE |
| Ring Stock Diameter | 0.250 INCHES NOMINAL IN |
| Ring Inside Diameter | 1.375 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 33.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 0.650 INCHES NOMINAL IN |
| Material Document and Classification | MIL-S-6758,COND C4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 0.962 INCHES NOMINAL IN |
| Shoulder Diameter | 0.688 INCHES NOMINAL IN |
| Shoulder Thickness | 0.094 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Eye Inside Diameter | 0.313 INCHES NOMINAL IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.297 INCHES MINIMUM AND 0.313 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP 4130 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 |
|---|---|
| A3A1007-5 PRIMARY | Oro Manufacturing Co (USA) |
| 205-070-725-5 | Leonardo Spa Helicopters Division - Production Site (ITA) |
| 205-070-725-5 | General Atomics Aerotec Systems Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| 205-070-725-005 | 5/2 Secondary reference U.S. Government activity |
| 205-070-725-5 | 5/9 Secondary reference U.S. Government activity |
NSN 5306-00-075-9380 is a Bolt,ring, manufactured by Oro Manufacturing Co, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-075-9380 has 3 manufacturer part numbers on file: A3A1007-5 (Oro Manufacturing Co), 205-070-725-5 (Leonardo Spa Helicopters Division - Production Site), 205-070-725-5 (General Atomics Aerotec Systems Gmbh).
Key specifications for A3A1007-5: Ring Stock Diameter: 0.250 INCHES NOMINAL IN; Ring Inside Diameter: 1.375 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,CLASS 2,TYPE 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 0.500 INCHES MAXIMUM IN. 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.