The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-273-4724, 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 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-273-4724 |
| Primary Part Number | 43-S-44595-3270 |
| 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 Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Nondefinitive Spec/std Data | 4 TYPE |
| Thread Class | 3A A |
| Material | STEEL OVERALL |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 84.0 DEGREES MAXIMUM |
| Thread Quantity Per Inch | 16 |
| Thread Length | 0.766 INCHES MINIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Hardness Rating | 36.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM OVERALL |
| Head Diameter | 0.720 INCHES MINIMUM AND 0.781 INCHES MAXIMUM IN |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Width Across Flats | 0.219 INCHES MINIMUM AND 0.222 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Minimum Yield Strength | 130000 POUNDS PER SQUARE INCH LBS |
| Fastener Length | 0.875 INCHES NOMINAL IN |
| Internal Drive Style | HEXAGON |
| Head Style | FLAT COUNTERSUNK |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 43-S-44595-3270 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 265005PC9 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| FFS86TYPE4 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
NSN 5305-00-273-4724 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 5305-00-273-4724 has 3 cross-referenced part numbers: 43-S-44595-3270 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), 265005PC9 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FFS86TYPE4 (Federal Specifications Promulgated by General Services Administration Washington DC).
There are 3 known substitutes for 5305-00-273-4724: 5305-00-272-4595, 5305-00-638-5844, 5305-01-501-9381. Verify interchangeability with system specifications before substitution.
Key specifications for 43-S-44595-3270: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Nondefinitive Spec/std Data: 4 TYPE; Thread Class: 3A A. 18 total characteristics are documented in the Federal Logistics Information System.