The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-331-1263, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Deere & Company Dba Deere John Co. Government technical data includes 14 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-331-1263 |
| Primary Part Number | 19M8081 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Deere & Company Dba Deere John Co |
| Status | ACTIVE |
| Head Height | 6.17 MILLIMETERS MINIMUM AND 6.73 MILLIMETERS MAXIMUM MM |
| External Thread Tolerance Class | 6G G |
| Fastener Length | 80.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 1.5 |
| Thread Length | 77.0 MILLIMETERS MINIMUM AND 80.0 MILLIMETERS MAXIMUM MM |
| Nominal Thread Diameter | 10.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 15.73 MILLIMETERS MINIMUM AND 16.00 MILLIMETERS MAXIMUM MM |
| Locking Feature | STRIP THREADS |
| Surface Treatment | ZINC FASTENER |
| Material | PLASTIC POLYAMIDE NYLON LOCKING FEATURE |
| Material | STEEL PROPERTY CLASS 10.9 FASTENER |
| Thread Series Designator | M |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5305-01-331-1263 is a Screw,cap,hexagon Head, manufactured by Deere & Company Dba Deere John Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-331-1263 has 3 manufacturer part numbers on file: 19M8081 (Deere & Company Dba Deere John Co), 19M8081 (Hitachi Construction Machinery Aust Australia Pty Ltd Hitachi Construction Machinery), 19M8081 (Rdo Equipment Rdo Equipment Pty Ltd).
Key specifications for 19M8081: Head Height: 6.17 MILLIMETERS MINIMUM AND 6.73 MILLIMETERS MAXIMUM MM; External Thread Tolerance Class: 6G G; Fastener Length: 80.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 1.5. 14 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.