The Setscrew, cataloged under National Stock Number 5305-01-229-7995, 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 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-229-7995 |
| Primary Part Number | MS51965-58 |
| Item Name | Setscrew |
| 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 |
| Width Across Flats | 0.125 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Direction | RIGHT-HAND |
| Point Style | FLAT |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Quantity Per Inch | 20 |
| Nondefinitive Spec/std Data | 1 TYPE AND 1 STYLE |
| Thread Class | 3A A |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material | STEEL COMP 4032 OR STEEL COMP 4037 OR STEEL COMP 4137 OR STEEL COMP 4140 OR STEEL COMP 8630 OR STEEL COMP 8740 OVERALL |
| Fastener Length | 0.980 INCHES MINIMUM AND 1.020 INCHES MAXIMUM IN |
| Internal Drive Style | HEXAGON |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51965-58 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 4066-012-1000 | Positrol Inc (USA) |
| FF-S-200 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 14949-5 | Positrol Inc (USA) |
NSN 5305-01-229-7995 is a Setscrew, 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 5305-01-229-7995 has 4 cross-referenced part numbers: MS51965-58 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 4066-012-1000 (Positrol Inc), FF-S-200 (Federal Specifications Promulgated by General Services Administration Washington DC), 14949-5 (Positrol Inc).
There are 2 known substitutes for 5305-01-229-7995: 3020-00-929-0714, 5305-00-993-2463. Verify interchangeability with system specifications before substitution.
Key specifications for MS51965-58: Width Across Flats: 0.125 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2 CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Surface Treatment: CADMIUM AND CHROMATE OVERALL; Thread Direction: RIGHT-HAND. 16 total characteristics are documented in the Federal Logistics Information System.