The Bolt,shoulder, cataloged under National Stock Number 5306-00-088-6900, 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19 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-088-6900 |
| Item Name | Bolt,shoulder |
| FSC / FSG | 5306 / 53 — Bolts |
| Status | ACTIVE |
| Extended Washer Thickness | 0.120 INCHES NOMINAL IN |
| Head Height | 0.810 INCHES NOMINAL IN |
| Fastener Length | 4.535 INCHES NOMINAL IN |
| Shoulder Length | 3.275 INCHES NOMINAL FIRST SHOULDER IN |
| Extended Washer Diameter | 2.500 INCHES NOMINAL IN |
| Shoulder Diameter | 1.999 INCHES MINIMUM AND 2.000 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Length | 0.880 INCHES MAXIMUM IN |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 1.750 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 1.730 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Minimum Tensile Strength | 180000 POUNDS PER SQUARE INCH LBS |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 12 |
| Material | STEEL COMP E4340 OVERALL |
| Thread Series Designator | UNIFIED NATIONAL JOINT (UNJ) |
| 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 |
|---|---|
| 4P52017-101A | 3/2 Design control — primary reference U.S. Government activity |
NSN 5306-00-088-6900 is a Bolt,shoulder, classified under FSC 5306, Bolts. Status: active.
Key specifications for 5306-00-088-6900: Extended Washer Thickness: 0.120 INCHES NOMINAL IN; Head Height: 0.810 INCHES NOMINAL IN; Fastener Length: 4.535 INCHES NOMINAL IN; Shoulder Length: 3.275 INCHES NOMINAL FIRST SHOULDER IN. 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.