The Setscrew, cataloged under National Stock Number 5305-00-724-5831, 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 3 commercial cross-references from 3 manufacturers, 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 | 5305-00-724-5831 |
| Primary Part Number | MS51965-91 |
| 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 | CANCELLED |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 13 |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| 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 | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM IN |
| Head Style | HEADLESS (SETSCREW) |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Material Document and Classification | 66 FED STD ALL MATERIAL RESPONSES OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Internal Drive Style | HEXAGON |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Thread Class | 3A A |
| Point Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MS51965-91 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 0201LTE | L3harris Technologies, Inc (USA) |
| AN565A816H12 | Curtiss-Wright Controls, Inc. Div Actuation Division (USA) |
NSN 5305-00-724-5831 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: cancelled.
NSN 5305-00-724-5831 has 3 cross-referenced part numbers: MS51965-91 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 0201LTE (L3harris Technologies, Inc), AN565A816H12 (Curtiss-Wright Controls, Inc. Div Actuation Division).
There is 1 known substitute for 5305-00-724-5831: 5305-00-725-0164. Verify interchangeability with system specifications before substitution.
Key specifications for MS51965-91: Width Across Flats: 0.250 INCHES NOMINAL IN; Thread Quantity Per Inch: 13; Surface Treatment Document and Classification: QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Hardness Rating: 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-724-5831 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.