The Screw,machine, cataloged under National Stock Number 5305-00-162-3951, 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 14 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. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-162-3951 |
| Primary Part Number | MS51957-9B |
| 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 | ACTIVE |
| Head Diameter | 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 80000 POUNDS PER SQUARE INCH LBS |
| Thread Quantity Per Inch | 56 |
| Fastener Length | 0.750 INCHES NOMINAL IN |
| Thread Length | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Class | 2A A |
| Screw Material | STEEL CORROSION RESISTING |
| Head Height | 0.053 INCHES MINIMUM AND 0.062 INCHES MAXIMUM IN |
| Head Style | PAN |
| Screw Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Nominal Thread Diameter | 0.086 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51957-9B | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS51957 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-162-3951 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: active.
NSN 5305-00-162-3951 has 2 cross-referenced part numbers: MS51957-9B (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS51957 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 6 known substitutes for 5305-00-162-3951: 5305-00-054-6664, 5305-00-054-6673, 5305-00-287-6398 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for MS51957-9B: Head Diameter: 0.155 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN; Minimum Tensile Strength: 80000 POUNDS PER SQUARE INCH LBS; Thread Quantity Per Inch: 56; Fastener Length: 0.750 INCHES NOMINAL IN. 14 total characteristics are documented in the Federal Logistics Information System.