The Setscrew, cataloged under National Stock Number 5305-01-522-2839, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Emerson Automation Solutions Final Control Us Lp. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-522-2839 |
| Primary Part Number | D420-6-8-396 ITEM 11 |
| Item Name | Setscrew |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Emerson Automation Solutions Final Control Us Lp |
| Status | ACTIVE |
| Fastener Length | 0.250 INCHES NOMINAL IN |
| Nominal Thread Diameter | 0.500 INCHES IN |
| Head Style | HEADLESS (SETSCREW) |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Thread Class | 3A A |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| D420-4-8-396 ITEM 11 | Emerson Automation Solutions Final Control Us Lp (USA) |
| 902-905-114-735-013 | Emerson Automation Solutions Final Control Us Lp (USA) |
| 902-905-114-735-013 | Tyco Flow Control (AUS) |
| D420-6-8-396 ITEM 11 PRIMARY | Emerson Automation Solutions Final Control Us Lp (USA) |
NSN 5305-01-522-2839 is a Setscrew, manufactured by Emerson Automation Solutions Final Control Us Lp, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-522-2839 has 4 manufacturer part numbers on file: D420-4-8-396 ITEM 11 (Emerson Automation Solutions Final Control Us Lp), 902-905-114-735-013 (Emerson Automation Solutions Final Control Us Lp), 902-905-114-735-013 (Tyco Flow Control), D420-6-8-396 ITEM 11 (Emerson Automation Solutions Final Control Us Lp).
Key specifications for D420-6-8-396 ITEM 11: Fastener Length: 0.250 INCHES NOMINAL IN; Nominal Thread Diameter: 0.500 INCHES IN; Head Style: HEADLESS (SETSCREW); Thread Direction: RIGHT-HAND. 9 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.