The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-579-5406, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 22 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-579-5406 |
| Primary Part Number | 31508 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | CANCELLED |
| Fastener Length | 1.719 INCHES MINIMUM AND 1.871 INCHES MAXIMUM IN |
| Head Diameter | 0.750 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Shoulder Diameter | 0.526 INCHES MINIMUM AND 0.531 INCHES MAXIMUM FIRST SHOULDER IN |
| Minimum Tensile Strength | 110000 POUNDS PER SQUARE INCH LBS |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 24.0 ROCKWELL C MAXIMUM OVERALL |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.062 INCHES NOMINAL IN |
| Rib Major Diameter | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Shoulder Shape | RIBBED FIRST SHOULDER |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1020 OVERALL |
| Thread Quantity Per Inch | 20 |
| Rib Length | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Shoulder Length | 0.552 INCHES MINIMUM AND 0.562 INCHES MAXIMUM FIRST SHOULDER IN |
| Features Provided | CASEHARDENED |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Head Style | PAN NO. 2 |
| Head Height | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Thread Length | 0.844 INCHES MINIMUM AND 0.906 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
NSN 5306-00-579-5406 is a Bolt,ribbed Shoulder, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-579-5406 has 2 cross-referenced part numbers: 31508 (Pdi Ground Support Systems, Inc.), 8528125 (Us Army Aviation and Missile Command).
There are 6 known substitutes for 5306-00-579-5406: 5306-00-589-1314, 5110-00-156-0062, 5961-00-828-0723 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 31508: Fastener Length: 1.719 INCHES MINIMUM AND 1.871 INCHES MAXIMUM IN; Head Diameter: 0.750 INCHES NOMINAL IN; Material Document and Classification: QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Shoulder Diameter: 0.526 INCHES MINIMUM AND 0.531 INCHES MAXIMUM FIRST SHOULDER IN. 22 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-579-5406 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.