The Screw,machine, cataloged under National Stock Number 5305-00-121-8226, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Brp Us Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 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 | 5305-00-121-8226 |
| Primary Part Number | 311621 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Brp Us Inc |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Thread Class | 2A A |
| Head Height | 0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Fastener Length | 0.719 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Length | 0.619 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Internal Drive Style | SLOT |
| Screw Material | STEEL COMP 1038 |
| Thread Direction | RIGHT-HAND |
| Hardness Rating | 24.0 ROCKWELL C MINIMUM AND 34.0 ROCKWELL C MAXIMUM |
| Head Diameter | 0.473 INCHES MINIMUM AND 0.492 INCHES MAXIMUM IN |
| Screw Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE |
| Screw Surface Treatment | CADMIUM |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Style | PAN NO. 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-00-121-8226 is a Screw,machine, manufactured by Brp Us Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-121-8226 has 5 cross-referenced part numbers: 311621 (Outboard Marine Corp), 309330 (Outboard Marine Corp Johnson Motors Div), 311621 (Brp Us Inc), 309330 (Outboard Marine Corp), 311621 (Outboard Marine Corp Johnson Motors Div).
There are 2 known substitutes for 5305-00-121-8226: 5330-01-121-8226, 6240-01-159-2185. Verify interchangeability with system specifications before substitution.
Key specifications for 311621: Nominal Thread Diameter: 0.250 INCHES IN; Thread Class: 2A A; Head Height: 0.130 INCHES MINIMUM AND 0.144 INCHES MAXIMUM IN; Thread Quantity Per Inch: 20. 16 total characteristics are documented in the Federal Logistics Information System.