The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-273-4721, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 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: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-273-4721 |
| Primary Part Number | 213039PC47 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Thread Length | 1.000 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 1 TYPE AND 11 STYLE |
| Internal Drive Style | HEXAGON |
| Surface Treatment | PASSIVATE OVERALL |
| Thread Class | 3A A |
| Head Diameter | 0.367 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Head Height | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Quantity Per Inch | 20 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Fastener Length | 1.500 INCHES NOMINAL IN |
| Width Across Flats | 0.187 INCHES MINIMUM AND 0.189 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | FLAT CHAMFER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 213039PC47 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MS35461-28 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| FFS86TYPE1STYLE11 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 43-S-4380-612 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 417357PC1 | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-273-4721 is a Screw,cap,socket Head, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-273-4721 has 5 cross-referenced part numbers: 213039PC47 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS35461-28 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), FFS86TYPE1STYLE11 (Federal Specifications Promulgated by General Services Administration Washington DC), 43-S-4380-612 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 417357PC1 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There is 1 known substitute for 5305-00-273-4721: 5305-00-988-7835. Verify interchangeability with system specifications before substitution.
Key specifications for 213039PC47: Thread Direction: RIGHT-HAND; Thread Length: 1.000 INCHES NOMINAL IN; Nondefinitive Spec/std Data: 1 TYPE AND 11 STYLE; Internal Drive Style: HEXAGON. 15 total characteristics are documented in the Federal Logistics Information System.