The Bolt,square Neck, cataloged under National Stock Number 5306-00-027-0722, is classified within Federal Supply Class 5306 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5306-00-027-0722 |
| Primary Part Number | MS35751-19 |
| Item Name | Bolt,square Neck |
| FSC / FSG | 5306 / 53 — No Item Name Available |
| Manufacturer | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use |
| Status | CANCELLED |
| Thread Class | 2A A |
| Head Style | BUTTON |
| Material | STEEL OVERALL |
| Material Document and Classification | SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Hardness Rating | 95.0 ROCKWELL B MAXIMUM OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Height | 0.125 INCHES MINIMUM AND 0.145 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Thread Length | 0.750 INCHES MINIMUM IN |
| Thread Direction | RIGHT-HAND |
| Neck Length | 0.125 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 2,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 2,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Head Diameter | 0.563 INCHES MINIMUM AND 0.594 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Fastener Length | 1.719 INCHES MINIMUM AND 1.781 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 55000 POUNDS PER SQUARE INCH LBS |
| Neck Width | 0.245 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Acquisition Status | CANCELLED |
| Successor | 5306-00-006-2269 (MS35751-53) |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS35751-19 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS35752&11 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS35751-19 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| FFB584 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5306-00-027-0722 is a Bolt,square Neck, manufactured by National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use, classified under FSC 5306 (No Item Name Available). Status: cancelled.
NSN 5306-00-027-0722 has 4 cross-referenced part numbers: MS35751-19 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35752&11 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS35751-19 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use), FFB584 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5306-00-027-0722: 5306-00-006-2269, 5306-00-011-9430, 5306-00-012-0231 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS35751-19: Thread Class: 2A A; Head Style: BUTTON; Material: STEEL OVERALL; Material Document and Classification: SAE GR 1 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 18 total characteristics are documented in the Federal Logistics Information System.
NSN 5306-00-027-0722 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.