The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-336-6303, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries. Government technical data includes 15 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-336-6303 |
| Primary Part Number | SII 1058-6D1270 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries |
| Status | ACTIVE |
| Head Height | 0.152 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN |
| Fastener Length | 1.635 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN |
| Thread Length | 0.261 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Material Document and Classification | AMS 6487 (H-11) ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.374 INCHES MINIMUM AND 0.376 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.3750 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.494 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.260 INCHES MINIMUM AND 1.280 INCHES MAXIMUM IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL COMP H11 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| SII 1058-6D1270 PRIMARY | Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries (USA) |
| 71657H-6-1270 PRIMARY | Sps Technologies, Llc Dba PB Fasteners (USA) |
| AIC4356-6D1270 PRIMARY | Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company (USA) |
| Reference | Meaning |
|---|---|
| VS2986-6D-1270 | 3/2 Design control — primary reference U.S. Government activity |
| 5306-001-6D1270 | 5/9 Secondary reference Aidc/aerospace Industrial Development Corp. Dba Aidc |
NSN 5306-01-336-6303 is a Bolt,externally Relieved Body, manufactured by Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-336-6303 has 3 manufacturer part numbers on file: SII 1058-6D1270 (Sonic Industries, Inc. Dba Sonic Industries Inc Div Sonic Industries), 71657H-6-1270 (Sps Technologies, Llc Dba PB Fasteners), AIC4356-6D1270 (Sps Technologies, Llc Dba Air Industries Company Div Air Industries Company).
Key specifications for SII 1058-6D1270: Head Height: 0.152 INCHES MINIMUM AND 0.185 INCHES MAXIMUM IN; Fastener Length: 1.635 INCHES MINIMUM AND 1.655 INCHES MAXIMUM IN; Thread Length: 0.261 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN; Material Document and Classification: AMS 6487 (H-11) ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 15 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.