The Bolt,square Neck, cataloged under National Stock Number 5306-00-376-8679, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Erie Malleable Iron Co. Government technical data includes 7 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, 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 | 5306-00-376-8679 |
| Primary Part Number | 5247R |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Erie Malleable Iron Co |
| Status | ACTIVE |
| Thread Quantity Per Inch | 10 |
| Head Diameter | 1.312 INCHES NOMINAL IN |
| Distance From Centerline to Flat | 0.375 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.750 INCHES IN |
| Neck Width | 0.760 INCHES NOMINAL IN |
| Fastener Length | 2.250 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5306-00-376-8679 is a Bolt,square Neck, manufactured by Erie Malleable Iron Co, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-376-8679 has 3 cross-referenced part numbers: 5247R (Erie Malleable Iron Co), 01-93-012 (Zf Industrieantriebe Witten Gmbh), 5247 (Erie Malleable Iron Co).
There are 9 known substitutes for 5306-00-376-8679: 4320-00-119-4662, 5975-00-615-9172, 5950-00-705-1787 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 5247R: Thread Quantity Per Inch: 10; Head Diameter: 1.312 INCHES NOMINAL IN; Distance From Centerline to Flat: 0.375 INCHES NOMINAL IN; Nominal Thread Diameter: 0.750 INCHES IN. 8 total characteristics are documented in the Federal Logistics Information System.