The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-927-3564, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 27 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-927-3564 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Fourth Diameter From Head | 0.307 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Fifth Diameter | 2.880 INCHES NOMINAL IN |
| Head Height | 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Fastener Length | 3.380 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | AMS 2410 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Precious Material | SILVER |
| Thread Length | 0.500 INCHES MAXIMUM IN |
| Hardness Rating | 79.0 ROCKWELL SUPERFICIAL 15-N MINIMUM AND 83.0 ROCKWELL SUPERFICIAL 15-N MAXIMUM OVERALL |
| Material Document and Classification | -3603 91547 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| First Diameter From Head | 0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of Second Diameter | 0.400 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Distance From Largest Bearing Surface of Head to End of Third Diameter | 1.380 INCHES NOMINAL IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Second Diameter From Head | 0.307 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN |
| Width Between Flats | 0.430 INCHES MINIMUM AND 0.439 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 0.120 INCHES NOMINAL IN |
| Fifth Diameter From Head | 0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +0.2874 TO 0.2898 INCHES IN |
| Externally Relieved Body Diameter Quantity | 5 |
| Surface Treatment | SILVER OVERALL |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Distance From Largest Bearing Surface of Head to End of Fourth Diameter | 1.630 INCHES NOMINAL IN |
| Third Diameter From Head | 0.262 INCHES MINIMUM AND 0.268 INCHES MAXIMUM IN |
| Thread Series Designator | UNS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 2-140-018-05 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-927-3564 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-927-3564: Fourth Diameter From Head: 0.307 INCHES MINIMUM AND 0.309 INCHES MAXIMUM IN; Distance From Largest Bearing Surface of Head to End of Fifth Diameter: 2.880 INCHES NOMINAL IN; Head Height: 0.140 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN; Fastener Length: 3.380 INCHES NOMINAL IN. 27 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.