The Screw,machine, cataloged under National Stock Number 5305-00-591-3320, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-591-3320 |
| Primary Part Number | 21027 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | CANCELLED |
| Head Height | 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Thread Length | 0.312 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Internal Drive Style | SLOT |
| Thread Direction | RIGHT-HAND |
| Thread Class | 2A A |
| Fastener Length | 0.312 INCHES NOMINAL IN |
| Head Diameter | 0.334 INCHES MINIMUM AND 0.359 INCHES MAXIMUM IN |
| Thread Series Designator | UNF |
| Screw Material Document and Classification | QQ-S-634 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-S-637 FED SPEC SINGLE MATERIAL RESPONSE OR 66 FED STD SINGLE MATERIAL RESPONSE |
| Nondefinitive Spec/std Data | 1 TYPE AND 1S STYLE |
| Screw Surface Treatment | CADMIUM |
| Minimum Tensile Strength | 60000 POUNDS PER SQUARE INCH LBS |
| Head Style | ROUND |
| Screw Material | STEEL |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 6121 | Raytheon Technical Services Company (USA) |
| 526032 | Raytheon Technical Services Company (USA) |
| 21027 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| FFS92 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-591-3320 is a Screw,machine, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-591-3320 has 4 cross-referenced part numbers: 6121 (Raytheon Technical Services Company), 526032 (Raytheon Technical Services Company), 21027 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), FFS92 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 12 known substitutes for 5305-00-591-3320: 1005-00-019-7891, 5210-00-050-5143, 3110-00-100-3621 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21027: Head Height: 0.123 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN; Thread Length: 0.312 INCHES MINIMUM IN; Nominal Thread Diameter: 0.190 INCHES IN; Thread Quantity Per Inch: 32. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-591-3320 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.