The Bolt,ribbed Neck, cataloged under National Stock Number 5306-00-497-3173, 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 13 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. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-497-3173 |
| Primary Part Number | 6441 |
| Item Name | Bolt,ribbed Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL |
| Rib Major Diameter | 0.405 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN |
| Head Height | 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Diameter | 0.688 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Minimum Tensile Strength | 120000 POUNDS PER SQUARE INCH LBS |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Fastener Length | 1.375 INCHES MINIMUM AND 1.391 INCHES MAXIMUM IN |
| Material | STEEL COMP 4140 OVERALL |
| Thread Length | 0.859 INCHES MINIMUM AND 0.891 INCHES MAXIMUM IN |
| Head Style | FLAT CHAMFER |
| Rib Length | 0.287 INCHES MINIMUM AND 0.329 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6441 PRIMARY | Saginaw Products Corporation Dba Cignys (USA) |
NSN 5306-00-497-3173 is a Bolt,ribbed Neck, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-497-3173 has 1 cross-referenced part number: 6441 (Saginaw Products Corporation Dba Cignys).
There are 9 known substitutes for 5306-00-497-3173: 5330-00-144-3325, 3040-00-146-7511, 4730-00-974-3682 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6441: Surface Treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE OVERALL; Rib Major Diameter: 0.405 INCHES MINIMUM AND 0.410 INCHES MAXIMUM IN; Head Height: 0.182 INCHES MINIMUM AND 0.192 INCHES MAXIMUM IN; Nominal Thread Diameter: 0.375 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.