The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-00-362-5790, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Fairbanks Morse, Llc. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-362-5790 |
| Primary Part Number | YLA3093A |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Fairbanks Morse, Llc |
| Status | ACTIVE |
| Head Height | 0.500 INCHES NOMINAL IN |
| Fastener Length | 7.125 INCHES NOMINAL IN |
| Thread Length | 1.188 INCHES MINIMUM IN |
| First Diameter From Head | 0.625 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.625 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.875 INCHES NOMINAL IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 1.313 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 11 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| 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 |
|---|---|
| YLA3093A PRIMARY | Fairbanks Morse, Llc (USA) |
| Reference | Meaning |
|---|---|
| MCJB3APC25 | 5/9 Secondary reference U.S. Government activity |
| YLA3093A | 3/9 Design control — primary reference U.S. Government activity |
NSN 5306-00-362-5790 is a Bolt,externally Relieved Body, manufactured by Fairbanks Morse, Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-362-5790 has 1 manufacturer part number on file: YLA3093A (Fairbanks Morse, Llc).
Key specifications for YLA3093A: Head Height: 0.500 INCHES NOMINAL IN; Fastener Length: 7.125 INCHES NOMINAL IN; Thread Length: 1.188 INCHES MINIMUM IN; First Diameter From Head: 0.625 INCHES NOMINAL IN. 14 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.