The Bolt,ribbed Neck, cataloged under National Stock Number 5306-00-966-9553, 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 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-966-9553 |
| Primary Part Number | 6442 |
| Item Name | Bolt,ribbed Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Saginaw Products Corporation Dba Cignys |
| Status | ACTIVE |
| Head Height | 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN |
| Fastener Length | 2.234 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN |
| Head Style | FLAT CHAMFER |
| Material | STEEL COMP 4140 OVERALL |
| Surface Treatment Document and Classification | QQ-P-416,TYPE2,CLASS3 FED SPEC ALL TREATMENT RESPONSES OVERALL |
| Thread Series Designator | UNF |
| Hardness Rating | 28.0 ROCKWELL C MINIMUM AND 36.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Quantity Per Inch | 20 |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Rib Length | 0.921 INCHES MINIMUM AND 0.953 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.109 INCHES MINIMUM AND 1.141 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 2A A |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Rib Major Diameter | 0.534 INCHES MINIMUM AND 0.539 INCHES MAXIMUM IN |
| Head Diameter | 0.750 INCHES MINIMUM AND 0.812 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-966-9553 is a Bolt,ribbed Neck, manufactured by Saginaw Products Corporation Dba Cignys, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-966-9553 has 2 cross-referenced part numbers: 6442 (Saginaw Products Corporation Dba Cignys), 03-006442 (Saginaw Products Corporation Dba Cignys).
There are 11 known substitutes for 5306-00-966-9553: 5960-00-106-1811, 3110-00-151-8319, 5310-00-167-0684 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 6442: Head Height: 0.229 INCHES MINIMUM AND 0.239 INCHES MAXIMUM IN; Fastener Length: 2.234 INCHES MINIMUM AND 2.266 INCHES MAXIMUM IN; Head Style: FLAT CHAMFER; Material: STEEL COMP 4140 OVERALL. 17 total characteristics are documented in the Federal Logistics Information System.