The Screw,assembled Washer, cataloged under National Stock Number 5305-01-588-7184, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 18 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 | 5305-01-588-7184 |
| Primary Part Number | 92820A745 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Head Height | 11.2 MILLIMETERS NOMINAL MM |
| Fastener Length | 50.0 MILLIMETERS NOMINAL MM |
| Extended Washer Diameter | 31.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 2.0 |
| Thread Length | 50.0 MILLIMETERS NOMINAL MM |
| Supplementary Features | MATERIAL IS SIMILAR TO CLASS 10.9 STEEL; ALL ARE STRONGER THAN BOTH GR 5 AND METRIC 8.8 STEEL SCREWS |
| Hardness Rating | 27.0 ROCKWELL C MINIMUM OVERALL |
| Nominal Thread Diameter | 16.0 MILLIMETERS MM |
| Head Style | HEXAGON EXTENDED WASHER |
| Thread Direction | RIGHT-HAND |
| Width Between Flats | 22.0 MILLIMETERS NOMINAL MM |
| Color | BLACK OVERALL |
| Minimum Tensile Strength | 130 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Class | 6G G |
| Material | STEEL OVERALL |
| Thread Series Designator | M |
| Washer Quantity | 1 |
| 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 |
|---|---|
| 92820A745 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-588-7184 is a Screw,assembled Washer, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-588-7184 has 1 manufacturer part number on file: 92820A745 (Mcmaster-Carr Supply Co).
Key specifications for 92820A745: Head Height: 11.2 MILLIMETERS NOMINAL MM; Fastener Length: 50.0 MILLIMETERS NOMINAL MM; Extended Washer Diameter: 31.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 2.0. 18 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.