The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-310-9985, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Volvo Penta of the Americas Inc. Government technical data includes 17 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 — Bolts (FSG 53) |
| Manufacturers | Volvo Penta of the Americas Inc (CAGE 61724) |
| Parameter | Value |
|---|---|
| NSN | 5306-01-310-9985 |
| Primary Part Number | 858239 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Volvo Penta of the Americas Inc |
| Status | ACTIVE |
| Extended Washer Thickness | 6.5 MILLIMETERS MINIMUM AND 7.5 MILLIMETERS MAXIMUM MM |
| Head Height | 15.5 MILLIMETERS MINIMUM AND 16.5 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 126.3 MILLIMETERS MINIMUM AND 127.7 MILLIMETERS MAXIMUM MM |
| Extended Washer Diameter | 24.0 MILLIMETERS MAXIMUM MM |
| Thread Pitch in Millimeters | 1.75 |
| Thread Length | 65.0 MILLIMETERS MINIMUM AND 69.0 MILLIMETERS MAXIMUM MM |
| First Diameter From Head | 12.0 MILLIMETERS NOMINAL MM |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 62.0 MILLIMETERS NOMINAL MM |
| Nominal Thread Diameter | 12.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 10.70 MILLIMETERS NOMINAL MM |
| Width Between Flats | 13.73 MILLIMETERS MINIMUM AND 14.00 MILLIMETERS MAXIMUM MM |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 13.0 MILLIMETERS MINIMUM AND 15.0 MILLIMETERS MAXIMUM MM |
| Externally Relieved Body Diameter Quantity | 2 |
| Material | STEEL PROPERTY CLASS 10.9 OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5306-01-310-9985 is a Bolt,externally Relieved Body, manufactured by Volvo Penta of the Americas Inc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-310-9985 has 2 manufacturer part numbers on file: 858239 (Volvo Penta of the Americas Inc), 858239-5 (Volvo Penta of the Americas Inc).
Key specifications for 858239: Extended Washer Thickness: 6.5 MILLIMETERS MINIMUM AND 7.5 MILLIMETERS MAXIMUM MM; Head Height: 15.5 MILLIMETERS MINIMUM AND 16.5 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 126.3 MILLIMETERS MINIMUM AND 127.7 MILLIMETERS MAXIMUM MM. 17 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.