The Screw,cap,socket Head, cataloged under National Stock Number 5305-01-204-3305, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Sps Technologies, Llc Dba PB Fasteners. Government technical data includes 19 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-204-3305 |
| Primary Part Number | 56684-14 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Sps Technologies, Llc Dba PB Fasteners |
| Status | ACTIVE |
| Minimum Tensile Strength | 260000 POUNDS PER SQUARE INCH LBS |
| Thread Direction | RIGHT-HAND |
| Width Across Flats | 0.188 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 16 |
| Surface Treatment | CADMIUM OVERALL |
| Minimum Yield Strength | 215000 POUNDS PER SQUARE INCH LBS |
| Surface Treatment Document and Classification | NAS672 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 43.0 ROCKWELL C MAXIMUM OVERALL |
| Material Document and Classification | AMS6485 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Thread Length | 0.730 INCHES MINIMUM AND 0.770 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Internal Drive Style | HEXAGON |
| Head Height | 0.193 INCHES MINIMUM AND 0.199 INCHES MAXIMUM IN |
| Head Style | ROUND |
| Head Diameter | 0.636 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Fastener Length | 0.865 INCHES MINIMUM AND 0.885 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Material | STEEL COMP H11 OVERALL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-01-204-3305 is a Screw,cap,socket Head, manufactured by Sps Technologies, Llc Dba PB Fasteners, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-204-3305 has 2 cross-referenced part numbers: 27087 (Hamilton Sundstrand Corporation), 56684-14 (Sps Technologies, Llc Dba PB Fasteners).
There are 6 known substitutes for 5305-01-204-3305: 5975-00-296-0468, 2520-00-670-7493, 5950-01-049-7623 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 56684-14: Minimum Tensile Strength: 260000 POUNDS PER SQUARE INCH LBS; Thread Direction: RIGHT-HAND; Width Across Flats: 0.188 INCHES NOMINAL IN; Thread Quantity Per Inch: 16. 19 total characteristics are documented in the Federal Logistics Information System.