The Screw,cap,hexagon Head, cataloged under National Stock Number 5305-01-504-9784, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-504-9784 |
| Primary Part Number | 3HA526 |
| Item Name | Screw,cap,hexagon Head |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| Head Height | 10.0 MILLIMETERS NOMINAL MM |
| External Thread Tolerance Class | DIN933 |
| Fastener Length | 40.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 2.0 |
| Thread Length | 39.0 MILLIMETERS NOMINAL MM |
| Supplementary Features | HEAD IS 26.75MM ACROSS CORNERS; RADIUS IS 0.6MM;MATERIAL IS CLASS 8.8 MM |
| Nominal Thread Diameter | 16.0 MILLIMETERS MM |
| Head Style | HEXAGON |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 24.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC OVERALL |
| Thread Series Designator | M |
| Reference Number Differentiating Characteristics | AS DIFFERENTIATED BY CLASS, DIMENSION AND FINISH |
| 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 |
|---|---|
| 3HA526 | Oshkosh Defense Llc (USA) |
| Reference | Meaning |
|---|---|
| 3HA526 | 5/9 Secondary reference Oshkosh Corp |
| 03164120009 | 3/1 Design control — primary reference U.S. Government activity |
NSN 5305-01-504-9784 is a Screw,cap,hexagon Head, manufactured by Oshkosh Defense Llc, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-504-9784 has 1 manufacturer part number on file: 3HA526 (Oshkosh Defense Llc).
Key specifications for 3HA526: Head Height: 10.0 MILLIMETERS NOMINAL MM; External Thread Tolerance Class: DIN933; Fastener Length: 40.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 2.0. 13 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.