The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-297-2159, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Honeywell International Inc. Div Aerospace - Torrance. Government technical data includes 20 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-297-2159 |
| Primary Part Number | 56918 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Honeywell International Inc. Div Aerospace - Torrance |
| Status | ACTIVE |
| Width Across Flats | 0.158 INCHES NOMINAL IN |
| Head Height | 0.190 INCHES NOMINAL IN |
| Hole Quantity | 6 |
| Hole Configuration Style | ROUND |
| Surface Treatment | CADMIUM OVERALL |
| Thread Quantity Per Inch | 32 |
| Material | STEEL OVERALL |
| Thread Direction | RIGHT-HAND |
| Head Style | FLAT CHAMFER |
| Hole Diameter | 0.047 INCHES NOMINAL IN |
| Hole Type | DRILLED |
| Thread Series Designator | UNF |
| Minimum Tensile Strength | 160000 POUNDS PER SQUARE INCH LBS |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Head Diameter | 0.209 INCHES NOMINAL IN |
| Fastener Length | 0.851 INCHES MINIMUM AND 0.856 INCHES MAXIMUM IN |
| Thread Length | 0.851 INCHES MINIMUM AND 0.856 INCHES MAXIMUM IN |
| Thread Class | 3A A |
| Hardness Rating | 20.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM OVERALL |
| Internal Drive Style | HEXAGON |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-297-2159 is a Screw,cap,socket Head, manufactured by Honeywell International Inc. Div Aerospace - Torrance, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-297-2159 has 2 cross-referenced part numbers: 56918 (Honeywell International Inc. Div Aerospace - Torrance), 56918 (Alliedsignal Inc Dba Allied-Signal Aerospace Co).
There are 2 known substitutes for 5305-00-297-2159: 5310-00-722-5998, 3120-01-014-0332. Verify interchangeability with system specifications before substitution.
Key specifications for 56918: Width Across Flats: 0.158 INCHES NOMINAL IN; Head Height: 0.190 INCHES NOMINAL IN; Hole Quantity: 6; Hole Configuration Style: ROUND. 20 total characteristics are documented in the Federal Logistics Information System.