The Bolt,externally Relieved Body, cataloged under National Stock Number 5306-01-157-2293, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-157-2293 |
| Item Name | Bolt,externally Relieved Body |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 1.000 INCHES NOMINAL IN |
| Head Height | 2.000 INCHES NOMINAL IN |
| Fastener Length | 7.000 INCHES NOMINAL IN |
| Extended Washer Diameter | 2.250 INCHES NOMINAL IN |
| Thread Length | 2.000 INCHES NOMINAL IN |
| Criticality Code Justification | ZZZY |
| First Diameter From Head | 1.260 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.500 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.865 INCHES MINIMUM AND 1.875 INCHES MAXIMUM IN |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 3.000 INCHES NOMINAL IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 6 |
| Material | NICKEL OVERALL |
| Thread Series Designator | UNS |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| MSC70008-100 DET 2 | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
NSN 5306-01-157-2293 is a Bolt,externally Relieved Body, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-157-2293: Extended Washer Thickness: 1.000 INCHES NOMINAL IN; Head Height: 2.000 INCHES NOMINAL IN; Fastener Length: 7.000 INCHES NOMINAL IN; Extended Washer Diameter: 2.250 INCHES NOMINAL IN. 18 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.