The Bolt,internal Wrenching, cataloged under National Stock Number 5306-01-186-5373, 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18 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-01-186-5373 |
| Item Name | Bolt,internal Wrenching |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Width Across Flats | 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN |
| Head Height | 1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Fastener Length | 7.030 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN |
| Thread Length | 3.040 INCHES MINIMUM AND 3.080 INCHES MAXIMUM IN |
| Criticality Code Justification | ZZZY |
| First Diameter From Head | 1.109 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 1.125 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Distance From Largest Bearing Surface of Head to End of First Diameter | 3.980 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN |
| Nonstandard Thread Pitch Diameter | +1.0348 TO 1.0383 INCHES IN |
| Externally Relieved Body Diameter Quantity | 1 |
| Surface Treatment | CHROMIUM OVERALL |
| Internal Drive Style | HEXAGON |
| Thread Quantity Per Inch | 8 |
| Material | STEEL OVERALL |
| Thread Series Designator | ACME |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Head Diameter | 1.665 INCHES MINIMUM AND 1.687 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 247E207-16 (SH 3-REV S) | 3/1 Design control — primary reference Fluor Marine Propulsion, Llc Dba Knolls Atomic Power Laboratory |
NSN 5306-01-186-5373 is a Bolt,internal Wrenching, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-01-186-5373: Width Across Flats: 0.750 INCHES MINIMUM AND 0.754 INCHES MAXIMUM IN; Head Height: 1.100 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN; Fastener Length: 7.030 INCHES MINIMUM AND 7.090 INCHES MAXIMUM IN; Thread Length: 3.040 INCHES MINIMUM AND 3.080 INCHES MAXIMUM 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.