The Bolt,close Tolerance, cataloged under National Stock Number 5306-01-246-1807, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-246-1807 |
| Primary Part Number | 75A230641-2007 |
| Item Name | Bolt,close Tolerance |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Head Height | 0.180 INCHES NOMINAL IN |
| Fastener Length | 3.315 INCHES MINIMUM AND 3.325 INCHES MAXIMUM IN |
| Thread Length | 0.480 INCHES NOMINAL IN |
| Nominal Thread Diameter | 1.750 INCHES IN |
| Head Style | PAN NO. 2 |
| Thread Direction | RIGHT-HAND |
| Grip Length | 1.120 INCHES MINIMUM AND 1.130 INCHES MAXIMUM IN |
| Grip Diameter | 0.7485 INCHES MINIMUM AND 0.7490 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP XM-13 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Head Diameter | 1.125 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 75A230641-2005 | The Boeing Company Div Defense (USA) |
| 75A230641-2007 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5306-01-246-1807 is a Bolt,close Tolerance, manufactured by The Boeing Company Div Defense, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-246-1807 has 2 manufacturer part numbers on file: 75A230641-2005 (The Boeing Company Div Defense), 75A230641-2007 (The Boeing Company Div Defense).
Key specifications for 75A230641-2007: Head Height: 0.180 INCHES NOMINAL IN; Fastener Length: 3.315 INCHES MINIMUM AND 3.325 INCHES MAXIMUM IN; Thread Length: 0.480 INCHES NOMINAL IN; Nominal Thread Diameter: 1.750 INCHES IN. 13 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.