The Screw,machine, cataloged under National Stock Number 5305-01-424-3571, 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 2 commercial cross-references 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-424-3571 |
| Primary Part Number | MS51959-27S316 |
| 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 | 0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Screw Material | STEEL COMP 316 |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Head Style | FLAT COUNTERSUNK |
| Screw Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE |
| Departure From Cited Document | AS MODIFIED BY MATERIAL |
| Thread Direction | LEFT-HAND |
| Screw Material Document and Classification | QQ-S-763 FED SPEC SINGLE MATERIAL RESPONSE OR FF-S-86 FED STD SINGLE MATERIAL RESPONSE |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Screw Surface Treatment | PASSIVATE |
| Thread Length | 0.167 INCHES NOMINAL IN |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 82.0 DEGREES MAXIMUM |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51959-27S316 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| MS51959-27 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-01-424-3571 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 5305-01-424-3571 has 2 cross-referenced part numbers: MS51959-27S316 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), MS51959-27 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There is 1 known substitute for 5305-01-424-3571: 5305-00-763-6962. Verify interchangeability with system specifications before substitution.
Key specifications for MS51959-27S316: Head Diameter: 0.257 INCHES MINIMUM AND 0.279 INCHES MAXIMUM IN; Thread Class: 2A A; Screw Material: STEEL COMP 316; Nominal Thread Diameter: 0.138 INCHES IN. 17 total characteristics are documented in the Federal Logistics Information System.