The Bolt,ribbed Shoulder, cataloged under National Stock Number 5306-00-701-9981, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Saginaw Products Corporation Dba Cignys. Government technical data includes 21 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-701-9981 |
| Primary Part Number | 20151 |
| Item Name | Bolt,ribbed Shoulder |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Thread Length | 0.946 INCHES MINIMUM IN |
| Thread Direction | RIGHT-HAND |
| Minimum Tensile Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Shoulder Diameter | 0.593 INCHES MINIMUM AND 0.598 INCHES MAXIMUM FIRST SHOULDER IN |
| Rib Length | 0.750 INCHES NOMINAL IN |
| Material | STEEL COMP 4140 OVERALL |
| Shoulder Length | 2.500 INCHES NOMINAL FIRST SHOULDER IN |
| Rib Major Diameter | 0.614 INCHES MINIMUM AND 0.619 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OVERALL |
| Shoulder Shape | RIBBED FIRST SHOULDER |
| Hardness Rating | 29.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Thread Series Designator | UNF |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Distance From Largest Diameter of Bearing Surface of Head to Ribs | 0.060 INCHES NOMINAL IN |
| Head Diameter | 0.810 INCHES NOMINAL IN |
| Head Height | 0.234 INCHES NOMINAL IN |
| Head Style | FLAT CHAMFER |
| Thread Class | 2A A |
| Fastener Length | 2.280 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 20151 PRIMARY | Saginaw Products Corporation Dba Cignys (USA) |
NSN 5306-00-701-9981 is a Bolt,ribbed Shoulder, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-701-9981 has 1 cross-referenced part number: 20151 (Saginaw Products Corporation Dba Cignys).
There are 8 known substitutes for 5306-00-701-9981: 3120-00-430-9210, 1720-00-952-4237, 5935-01-018-1713 and 5 more. Verify interchangeability with system specifications before substitution.
Key specifications for 20151: Thread Length: 0.946 INCHES MINIMUM IN; Thread Direction: RIGHT-HAND; Minimum Tensile Strength: 130000 POUNDS PER SQUARE INCH LBS; Shoulder Diameter: 0.593 INCHES MINIMUM AND 0.598 INCHES MAXIMUM FIRST SHOULDER IN. 21 total characteristics are documented in the Federal Logistics Information System.