The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-330-6413, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 24 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-330-6413 |
| Primary Part Number | 240620 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN |
| Head Height | 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN |
| Thread Length | 0.517 INCHES NOMINAL IN |
| Hardness Rating | 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL |
| Hole Configuration Style | ROUND CHORD |
| Material Document and Classification | AMS 6322 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.738 INCHES MINIMUM AND 0.739 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 3.330 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.562 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 3.740 INCHES MINIMUM AND 3.760 INCHES MAXIMUM IN |
| Head Style | FLAT CHAMFER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.357 INCHES MINIMUM AND 0.361 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.250 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 4 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Hole Quantity | 1 |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 3.938 INCHES MINIMUM AND 3.948 INCHES MAXIMUM IN |
| Third Diameter From Head | 0.576 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Hole Type | DRILLED |
| Hole Diameter | 0.219 INCHES NOMINAL IN |
| Head Diameter | 1.200 INCHES MINIMUM AND 1.220 INCHES MAXIMUM 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 |
|---|---|
| 240620 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5306-00-330-6413 is a Bolt,externally Relieved Body, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-330-6413 has 1 manufacturer part number on file: 240620 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 240620: Fourth Diameter From Head: 0.475 INCHES MINIMUM AND 0.485 INCHES MAXIMUM IN; Head Height: 0.140 INCHES MINIMUM AND 0.160 INCHES MAXIMUM IN; Thread Length: 0.517 INCHES NOMINAL IN; Hardness Rating: 32.0 ROCKWELL C MINIMUM AND 38.0 ROCKWELL C MAXIMUM OVERALL. 24 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.