The Bolt,shoulder, cataloged under National Stock Number 5306-00-003-7198, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. Government technical data includes 19 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-003-7198 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Head Height | 0.375 INCHES NOMINAL IN |
| Fastener Length | 1.803 INCHES MINIMUM AND 1.813 INCHES MAXIMUM IN |
| Shoulder Length | 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM FIRST SHOULDER IN |
| Surface Treatment Document and Classification | H+4-99,TY 2,GRADE B,CL 3,FSCM 82577 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Diameter | 0.371 INCHES MINIMUM AND 0.373 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.225 INCHES MINIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM AND 40.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | MIL-S-6758,COND F4 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 0.500 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 4130 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3088477-1-1 | 3/2 Design control — primary reference U.S. Government activity |
| 3088477-1-1 | 5/9 Secondary reference United Telecontrol Electronics Inc |
NSN 5306-00-003-7198 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-003-7198: Head Height: 0.375 INCHES NOMINAL IN; Fastener Length: 1.803 INCHES MINIMUM AND 1.813 INCHES MAXIMUM IN; Shoulder Length: 1.495 INCHES MINIMUM AND 1.505 INCHES MAXIMUM FIRST SHOULDER IN; Surface Treatment Document and Classification: H+4-99,TY 2,GRADE B,CL 3,FSCM 82577 MFR REF SINGLE TREATMENT RESPONSE OVERALL. 19 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.