The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-00-124-5620, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Rolls-Royce Solutions America Inc. Government technical data includes 14 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-00-124-5620 |
| Primary Part Number | 121804 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | ACTIVE |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Hardness Rating | 85.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL |
| Material Document and Classification | SAE GRADE 2 ASSN STD ALL MATERIAL RESPONSES OVERALL |
| Material | STEEL OVERALL |
| Surface Treatment | ZINC OVERALL |
| Fastener Length | 0.408 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Head Style | HEXAGON |
| Width Between Flats | 0.428 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Class | 2A A |
| Head Height | 0.150 INCHES MINIMUM AND 0.163 INCHES MAXIMUM IN |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Thread Length | 0.308 INCHES MINIMUM AND 0.438 INCHES MAXIMUM IN |
| Thread Quantity Per Inch | 20 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 121804 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 5305-00-124-5620 is a Screw,cap,hexagon Head, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 5305 (No Item Name Available). Status: active.
NSN 5305-00-124-5620 has 1 cross-referenced part number: 121804 (Rolls-Royce Solutions America Inc).
There are 5 known substitutes for 5305-00-124-5620: 5950-00-648-5622, 5310-00-826-0325, 2540-00-876-7006 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 121804: Nominal Thread Diameter: 0.250 INCHES IN; Hardness Rating: 85.0 ROCKWELL B MINIMUM AND 100.0 ROCKWELL B MAXIMUM OVERALL; Material Document and Classification: SAE GRADE 2 ASSN STD ALL MATERIAL RESPONSES OVERALL; Material: STEEL OVERALL. 14 total characteristics are documented in the Federal Logistics Information System.