The Screw,assembled Washer, cataloged under National Stock Number 5305-00-042-4308, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Army Weapons Command Attn Amswe-Ree-S. Government technical data includes 20 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, 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 | 5305-00-042-4308 |
| Primary Part Number | 424308 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Army Weapons Command Attn Amswe-Ree-S |
| Status | ACTIVE |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nominal Thread Diameter | 0.138 INCHES IN |
| Thread Quantity Per Inch | 40 |
| Fastener Length | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Head Style | ROUND |
| Primary Washer Outside Diameter | 0.270 INCHES MINIMUM AND 0.285 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY 1,CL 3 FED SPEC 1ST TREATMENT RESPONSE OR QQ-Z-325,TY 1,CL 3 FED SPEC 2ND TREATMENT RESPONSE OVERALL |
| Internal Drive Style | CROSS RECESS TYPE 1 |
| Head Height | 0.091 INCHES MINIMUM AND 0.103 INCHES MAXIMUM IN |
| Thread Length | 0.211 INCHES MINIMUM AND 0.298 INCHES MAXIMUM IN |
| Primary Washer Material Thickness | 0.014 INCHES MINIMUM AND 0.020 INCHES MAXIMUM IN |
| Material Document and Classification | SAE ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Primary Washer Style | FLAT EXTERNAL TEETH |
| Washer Quantity | 1 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 50.0 ROCKWELL C MAXIMUM PRIMARY WASHER |
| Head Diameter | 0.240 INCHES MINIMUM AND 0.260 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 424308 | Army Weapons Command Attn Amswe-Ree-S (USA) |
NSN 5305-00-042-4308 is a Screw,assembled Washer, manufactured by Army Weapons Command Attn Amswe-Ree-S, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-042-4308 has 1 cross-referenced part number: 424308 (Army Weapons Command Attn Amswe-Ree-S).
There are 2 known substitutes for 5305-00-042-4308: 3110-00-100-6184, 4810-01-393-5898. Verify interchangeability with system specifications before substitution.
Key specifications for 424308: Surface Treatment: CADMIUM OR ZINC OVERALL; Nominal Thread Diameter: 0.138 INCHES IN; Thread Quantity Per Inch: 40; Fastener Length: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN. 20 total characteristics are documented in the Federal Logistics Information System.