The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-253-7831, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Droitcour Co. 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. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-253-7831 |
| Primary Part Number | 1724 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Droitcour Co |
| Status | ACTIVE |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | FLAT COUNTERSUNK |
| Width Across Flats | 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN |
| Internal Drive Style | HEXAGON |
| Thread Quantity Per Inch | 48 |
| Countersink Angle | 60.0 DEGREES NOMINAL |
| Thread Length | 0.141 INCHES MINIMUM AND 0.172 INCHES MAXIMUM IN |
| Fastener Length | 0.271 INCHES MINIMUM AND 0.291 INCHES MAXIMUM IN |
| Head Diameter | 0.153 INCHES MINIMUM AND 0.155 INCHES MAXIMUM IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Thread Class | 3A A |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Diameter | 0.099 INCHES IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 1724 PRIMARY | Droitcour Co (USA) |
NSN 5305-00-253-7831 is a Screw,cap,socket Head, manufactured by Droitcour Co, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-253-7831 has 1 cross-referenced part number: 1724 (Droitcour Co).
There are 12 known substitutes for 5305-00-253-7831: 6740-00-110-6626, 6240-00-155-7937, 5325-00-171-5950 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 1724: Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Special Features: UNTHREADED PORTION OF SHANK UNDERCUT TO 0.090 IN. NOM DIA IN; Head Style: FLAT COUNTERSUNK; Width Across Flats: 0.062 INCHES MINIMUM AND 0.094 INCHES MAXIMUM IN. 14 total characteristics are documented in the Federal Logistics Information System.