The Bolt,eye, cataloged under National Stock Number 5306-01-252-1371, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company. Government technical data includes 19 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-252-1371 |
| Primary Part Number | 7-362120173-27 |
| Item Name | Bolt,eye |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company |
| Status | ACTIVE |
| Surface Treatment Document and Classification | FINISH 21 PER EPB 4-230 CAGE 02731 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Length | 4.327 INCHES NOMINAL IN |
| Hardness Rating | 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL |
| Shank Length | 4.577 INCHES NOMINAL IN |
| Style Designator | ROUND, CLOSED W/SHOULDER |
| Material Document and Classification | AMS 5643 COND A ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Center of Eye to Shank End | 4.910 INCHES NOMINAL IN |
| Shoulder Diameter | 0.750 INCHES NOMINAL IN |
| Shoulder Thickness | 0.200 INCHES NOMINAL IN |
| Surface Treatment | PASSIVATE OVERALL |
| Eye Inside Diameter | 0.404 INCHES MINIMUM AND 0.416 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Eye Stock Thickness | 0.500 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 8 |
| Material | STEEL COMP 630 OVERALL |
| Thread Series Designator | ACME |
| Eye Outside Width | 0.126 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 |
|---|---|
| 7-362120173-27 PRIMARY | The Boeing Company (USA) |
| Reference | Meaning |
|---|---|
| 7-362120173-27 | 5/9 Secondary reference Mcdonnell Douglas Helicopter Co Inc |
NSN 5306-01-252-1371 is a Bolt,eye, manufactured by The Boeing Company, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-252-1371 has 1 manufacturer part number on file: 7-362120173-27 (The Boeing Company).
Key specifications for 7-362120173-27: Surface Treatment Document and Classification: FINISH 21 PER EPB 4-230 CAGE 02731 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Length: 4.327 INCHES NOMINAL IN; Hardness Rating: 35.0 ROCKWELL C MINIMUM AND 42.0 ROCKWELL C MAXIMUM OVERALL; Shank Length: 4.577 INCHES NOMINAL 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.