The Bolt,shear, cataloged under National Stock Number 5306-01-673-6063, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-673-6063 |
| Primary Part Number | NAS6305U64D |
| Item Name | Bolt,shear |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Head Height | 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN |
| Fastener Length | 4.423 INCHES MINIMUM AND 4.453 INCHES MAXIMUM IN |
| Thread Length | 0.438 INCHES NOMINAL IN |
| Material Document and Classification | MS5731 NATIONAL STD SINGLE MATERIAL RESPONSE AND MS5732 NATIONAL STD SINGLE MATERIAL RESPONSE AND MS5737 NATIONAL STD SINGLE MATERIAL RESPONSE AND MS5853 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.3125 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Grip Length | 3.990 INCHES MINIMUM AND 4.010 INCHES MAXIMUM IN |
| Width Between Flats | 0.492 INCHES MINIMUM AND 0.502 INCHES MAXIMUM IN |
| Grip Diameter | 0.3110 INCHES MINIMUM AND 0.3120 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| 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 |
|---|---|
| NAS6305U64D | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| NAS6305U64D | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-01-673-6063 is a Bolt,shear, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-673-6063 has 1 manufacturer part number on file: NAS6305U64D (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for NAS6305U64D: Head Height: 0.156 INCHES MINIMUM AND 0.171 INCHES MAXIMUM IN; Fastener Length: 4.423 INCHES MINIMUM AND 4.453 INCHES MAXIMUM IN; Thread Length: 0.438 INCHES NOMINAL IN; Material Document and Classification: MS5731 NATIONAL STD SINGLE MATERIAL RESPONSE AND MS5732 NATIONAL STD SINGLE MATERIAL RESPONSE AND MS5737 NATIONAL STD SINGLE MATERIAL RESPONSE AND MS5853 NATIONAL STD SINGLE MATERIAL RESPONSE OVERALL. 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.