The Screw,shoulder, cataloged under National Stock Number 5305-01-218-3163, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Carr Lane Manufacturing Co. Government technical data includes 15 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-218-3163 |
| Primary Part Number | TW-2 |
| Item Name | Screw,shoulder |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Carr Lane Manufacturing Co |
| Status | ACTIVE |
| Shoulder Length | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM FIRST SHOULDER IN |
| Thread Series Designator | UNF |
| Nominal Thread Diameter | 0.190 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Shoulder Diameter | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM FIRST SHOULDER IN |
| Material | STEEL OVERALL |
| Thread Length | 0.219 INCHES MINIMUM AND 0.281 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Internal Drive Style | SLOT |
| Shoulder Shape | ROUND FIRST SHOULDER |
| Head Height | 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Diameter | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Fastener Length | 0.344 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Head Style | PAN NO. 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 5305-01-218-3163 is a Screw,shoulder, manufactured by Carr Lane Manufacturing Co, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-218-3163 has 2 cross-referenced part numbers: TW-2 (Carr Lane Manufacturing Co), C3998-4-4 (Lockheed Martin Corporation Div Lockheed Martin Aeronautics Company).
There are 3 known substitutes for 5305-01-218-3163: 6135-00-995-1089, 6220-01-289-9960, 5305-01-295-5109. Verify interchangeability with system specifications before substitution.
Key specifications for TW-2: Shoulder Length: 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM FIRST SHOULDER IN; Thread Series Designator: UNF; Nominal Thread Diameter: 0.190 INCHES IN; Thread Quantity Per Inch: 32. 15 total characteristics are documented in the Federal Logistics Information System.