The Screw,machine, cataloged under National Stock Number 5305-00-051-0856, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 16 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. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-051-0856 |
| Primary Part Number | MS51957-115 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Head Diameter | 0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Length | 1.875 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN |
| Screw Surface Treatment | PASSIVATE |
| Head Style | PAN |
| Screw Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 16 |
| Screw Material | STEEL COMP 302 OR STEEL COMP 303 OR STEEL COMP 304 OR STEEL COMP 305 OR STEEL COMP 316 |
| Head Height | 0.244 INCHES MINIMUM AND 0.261 INCHES MAXIMUM IN |
| Fastener Length | 2.000 INCHES NOMINAL IN |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51957-115 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-051-0856 is a Screw,machine, manufactured by Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-051-0856 has 1 cross-referenced part number: MS51957-115 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 5305-00-051-0856: 5305-00-054-5649. Verify interchangeability with system specifications before substitution.
Key specifications for MS51957-115: Head Diameter: 0.716 INCHES MINIMUM AND 0.740 INCHES MAXIMUM IN; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Diameter: 0.375 INCHES IN; Thread Length: 1.875 INCHES MINIMUM AND 2.000 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-051-0856 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.