The Setscrew, cataloged under National Stock Number 5305-00-249-0534, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies 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 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-249-0534 |
| Primary Part Number | MILB933TYPEG |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Surface Treatment | CADMIUM AND CHROMATE OR ZINC OR CHROMATE OVERALL |
| Thread Length | 0.250 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC 1ST TREATMENT RESPONSE AND QQ-Z-325,TYPE 3,CLASS 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Quantity Per Inch | 32 |
| Nondefinitive Spec/std Data | 3 TYPE AND 4 STYLE |
| Hardness Rating | 45.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.063 INCHES MINIMUM AND 0.064 INCHES MAXIMUM IN |
| Internal Drive Style | SQUARE |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Point Style | CUP |
| Thread Class | 3A A |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| MILB933TYPEG | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MS51017-22 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
NSN 5305-00-249-0534 is a Setscrew, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-249-0534 has 2 cross-referenced part numbers: MILB933TYPEG (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MS51017-22 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M).
There are 12 known substitutes for 5305-00-249-0534: 5305-00-249-0198, 5305-00-249-0209, 5305-00-249-0210 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for MILB933TYPEG: Material: STEEL OVERALL; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Surface Treatment: CADMIUM AND CHROMATE OR ZINC OR CHROMATE OVERALL; Thread Length: 0.250 INCHES MAXIMUM IN. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-249-0534 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.