The Bolt,shoulder, cataloged under National Stock Number 5306-00-107-5580, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Officine Meccaniche Artiglio Srl. Government technical data includes 22 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5306-00-107-5580 |
| Primary Part Number | 3302201-1 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Officine Meccaniche Artiglio Srl |
| Status | ACTIVE |
| Head Height | 0.380 INCHES NOMINAL IN |
| Fastener Length | 8.370 INCHES NOMINAL IN |
| Shoulder Length | 2.490 INCHES NOMINAL SECOND SHOULDER IN |
| Shoulder Length | 2.600 INCHES NOMINAL FIRST SHOULDER IN |
| Shoulder Diameter | 1.074 INCHES MINIMUM AND 1.084 INCHES MAXIMUM SECOND SHOULDER IN |
| Shoulder Diameter | 1.124 INCHES NOMINAL FIRST SHOULDER IN |
| Thread Length | 0.660 INCHES MINIMUM IN |
| Shoulder Shape | ROUND ALL SHOULDERS |
| Shank Unthreaded Hole Diameter | 0.139 INCHES MINIMUM AND 0.145 INCHES MAXIMUM FIRST HOLE IN |
| Material Document and Classification | MIL-S-5000,COND E MIL SPEC ALL MATERIAL RESPONSES OVERALL |
| Nominal Thread Diameter | 0.875 INCHES IN |
| Head Style | ROUND W/WRENCH FLATS |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.470 INCHES MINIMUM AND 1.500 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 260000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Test Data Document | 98897-LAC 0565 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.). |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP E4340 OR STEEL COMP 4340 OVERALL |
| Thread Series Designator | UNF |
| Distance From Head Largest Bearing Surface to Shank Hole Center | 8.170 INCHES NOMINAL FIRST HOLE IN |
| Head Diameter | 1.750 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 | X |
| Part Number | Manufacturer |
|---|---|
| 3302201-1 | Officine Meccaniche Artiglio Srl (ITA) |
| Reference | Meaning |
|---|---|
| 3302201-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-107-5580 is a Bolt,shoulder, manufactured by Officine Meccaniche Artiglio Srl, classified under FSC 5306, Bolts. Status: active.
NSN 5306-00-107-5580 has 1 manufacturer part number on file: 3302201-1 (Officine Meccaniche Artiglio Srl).
Key specifications for 3302201-1: Head Height: 0.380 INCHES NOMINAL IN; Fastener Length: 8.370 INCHES NOMINAL IN; Shoulder Length: 2.490 INCHES NOMINAL SECOND SHOULDER IN; Shoulder Length: 2.600 INCHES NOMINAL FIRST SHOULDER IN. 22 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.