The Bolt,u, cataloged under National Stock Number 5306-01-307-3539, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rhinestahl Corporation Dba Rhinestahl. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-307-3539 |
| Primary Part Number | 3C3223P08 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rhinestahl Corporation Dba Rhinestahl |
| Status | ACTIVE |
| Inside Distance Between Shanks | 3.250 INCHES NOMINAL IN |
| Thread Length | 2.500 INCHES NOMINAL IN |
| Hardness Rating | 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Distance From Inside Center of Bend to Bolt End | 5.250 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 10 |
| Material | STEEL COMP 4140 OR STEEL COMP 4140H OR STEEL COMP 4142 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| 3C3223P08 PRIMARY | Rhinestahl Corporation Dba Rhinestahl (USA) |
| Reference | Meaning |
|---|---|
| 3C3223P08 | 3/9 Design control — primary reference General Electric Company |
NSN 5306-01-307-3539 is a Bolt,u, manufactured by Rhinestahl Corporation Dba Rhinestahl, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-307-3539 has 1 manufacturer part number on file: 3C3223P08 (Rhinestahl Corporation Dba Rhinestahl).
Key specifications for 3C3223P08: Inside Distance Between Shanks: 3.250 INCHES NOMINAL IN; Thread Length: 2.500 INCHES NOMINAL IN; Hardness Rating: 30.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL; Distance From Inside Center of Bend to Bolt End: 5.250 INCHES NOMINAL IN. 11 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.