The Bolt,u, cataloged under National Stock Number 5306-00-856-2864, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is De Havilland Aircraft of Canada Limited. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-856-2864 |
| Primary Part Number | C4P10555-3 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | De Havilland Aircraft of Canada Limited |
| Status | ACTIVE |
| Inside Distance Between Shanks | 2.100 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES MINIMUM IN |
| Distance From Inside Center of Bend to Bolt End | 2.150 INCHES NOMINAL IN |
| Style Designator | ROUND BEND |
| Material Document and Classification | AMS 5721 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 28 |
| Material | IRON ALLOY 651 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 |
|---|---|
| C4P10555-3 PRIMARY | De Havilland Aircraft of Canada Limited (CAN) |
| Reference | Meaning |
|---|---|
| 1560AC1-049 | 5/2 Secondary reference U.S. Government activity |
NSN 5306-00-856-2864 is a Bolt,u, manufactured by De Havilland Aircraft of Canada Limited, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-856-2864 has 1 manufacturer part number on file: C4P10555-3 (De Havilland Aircraft of Canada Limited).
Key specifications for C4P10555-3: Inside Distance Between Shanks: 2.100 INCHES NOMINAL IN; Thread Length: 0.500 INCHES MINIMUM IN; Distance From Inside Center of Bend to Bolt End: 2.150 INCHES NOMINAL IN; Style Designator: ROUND BEND. 12 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.