The Screw,machine, cataloged under National Stock Number 5305-01-239-2578, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Deere & Co. Government technical data includes 12 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-239-2578 |
| Primary Part Number | R34028 |
| Item Name | Screw,machine |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Deere & Co |
| Status | ACTIVE |
| Head Height | 0.280 INCHES NOMINAL IN |
| Fastener Length | 0.810 INCHES NOMINAL IN |
| Screw Material Document and Classification | JDM 117,CAGE 75160 MFR REF SINGLE MATERIAL RESPONSE |
| Thread Length | 0.710 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Thread Direction | RIGHT-HAND |
| Screw Material | STEEL |
| Internal Drive Style | SLOT |
| Thread Class | 2A A |
| Thread Quantity Per Inch | 36 |
| Thread Series Designator | UNF |
| Head Diameter | 0.410 INCHES NOMINAL IN |
| 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 |
|---|---|
| R34028 PRIMARY | Deere & Co (USA) |
NSN 5305-01-239-2578 is a Screw,machine, manufactured by Deere & Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-239-2578 has 1 manufacturer part number on file: R34028 (Deere & Co).
Key specifications for R34028: Head Height: 0.280 INCHES NOMINAL IN; Fastener Length: 0.810 INCHES NOMINAL IN; Screw Material Document and Classification: JDM 117,CAGE 75160 MFR REF SINGLE MATERIAL RESPONSE; Thread Length: 0.710 INCHES MINIMUM AND 0.810 INCHES MAXIMUM IN. 12 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.