The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-208-6185, 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 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5305-00-208-6185 |
| Primary Part Number | 1139291 |
| 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 |
| Width Across Flats | 0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN |
| Fastener Length | 4.046 INCHES MINIMUM AND 4.078 INCHES MAXIMUM IN |
| Head Height | 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Thread Class | 3A A |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.557 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 303 OVERALL |
| Thread Length | 0.734 INCHES MINIMUM AND 0.766 INCHES MAXIMUM IN |
| Internal Drive Style | HEXAGON |
| Head Style | FLAT CHAMFER |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1139291 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-208-6185 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 5305-00-208-6185 has 1 cross-referenced part number: 1139291 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
There is 1 known substitute for 5305-00-208-6185: 3110-00-142-4386. Verify interchangeability with system specifications before substitution.
Key specifications for 1139291: Width Across Flats: 0.312 INCHES MINIMUM AND 0.315 INCHES MAXIMUM IN; Fastener Length: 4.046 INCHES MINIMUM AND 4.078 INCHES MAXIMUM IN; Head Height: 0.370 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 14 total characteristics are documented in the Federal Logistics Information System.