The Screw,machine, cataloged under National Stock Number 5305-01-212-3449, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Airdale Express Llc Div Airdale Express. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, 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 | 5305-01-212-3449 |
| Primary Part Number | 21050ADX |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Airdale Express Llc Div Airdale Express |
| Status | ACTIVE |
| Thread Class | 2A A |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Fastener Length | 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Head Height | 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Head Diameter | 0.256 INCHES MINIMUM AND 0.270 INCHES MAXIMUM IN |
| Head Style | PAN |
| Screw Material | COPPER ALLOY |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Quantity Per Inch | 32 |
| Thread Length | 0.908 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 21050ADX | Airdale Express Llc Div Airdale Express (USA) |
| H12-0002-211 | L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications (USA) |
| 21050 | Federal Screw Products, Inc. (USA) |
NSN 5305-01-212-3449 is a Screw,machine, manufactured by Airdale Express Llc Div Airdale Express, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-01-212-3449 has 3 cross-referenced part numbers: 21050ADX (Airdale Express Llc Div Airdale Express), H12-0002-211 (L3harris Technologies, Inc. Dba Harris Corp Div Harris Defense Communications), 21050 (Federal Screw Products, Inc.).
There are 12 known substitutes for 5305-01-212-3449: 3110-00-100-0642, 5330-00-133-2043, 3950-00-460-5761 and 9 more. Verify interchangeability with system specifications before substitution.
Key specifications for 21050ADX: Thread Class: 2A A; Internal Drive Style: CROSS RECESS TYPE 1; Fastener Length: 0.970 INCHES MINIMUM AND 1.000 INCHES MAXIMUM IN; Head Height: 0.087 INCHES MINIMUM AND 0.097 INCHES MAXIMUM IN. 12 total characteristics are documented in the Federal Logistics Information System.