The Bolt,square Neck, cataloged under National Stock Number 5306-00-207-8568, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Federal Specifications Promulgated by General Services Administration Washington DC. Government technical data includes 14 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-00-207-8568 |
| Primary Part Number | FFB751TYPEC2 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | Federal Specifications Promulgated by General Services Administration Washington DC |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| Neck Length | 0.281 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | C2 TYPE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Head Style | BUTTON |
| Thread Direction | RIGHT-HAND |
| Thread Quantity Per Inch | 16 |
| Head Height | 0.188 INCHES NOMINAL IN |
| Thread Length | 1.000 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Neck Width | 0.375 INCHES NOMINAL IN |
| Fastener Length | 3.250 INCHES NOMINAL IN |
| Head Diameter | 0.813 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| FFB751TYPEC2 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 70-6-32 | Air Force Standard |
NSN 5306-00-207-8568 is a Bolt,square Neck, manufactured by Federal Specifications Promulgated by General Services Administration Washington DC, classified under FSC 5306 (No Item Name Available). Status: active.
NSN 5306-00-207-8568 has 2 cross-referenced part numbers: FFB751TYPEC2 (Federal Specifications Promulgated by General Services Administration Washington DC), 70-6-32 (Air Force Standard).
There are 3 known substitutes for 5306-00-207-8568: 5315-00-336-9616, 2915-00-717-6456, 5330-01-314-9920. Verify interchangeability with system specifications before substitution.
Key specifications for FFB751TYPEC2: Material: STEEL OVERALL; Neck Length: 0.281 INCHES NOMINAL IN; Nondefinitive Spec/std Data: C2 TYPE; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC). 14 total characteristics are documented in the Federal Logistics Information System.