The Screw,assembled Washer, cataloged under National Stock Number 5305-01-588-7395, 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 19 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 | 5305-01-588-7395 |
| Primary Part Number | 94058A105 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Extended Washer Thickness | 0.250 INCHES NOMINAL IN |
| Head Height | 0.242 INCHES NOMINAL IN |
| Fastener Length | 0.500 INCHES NOMINAL IN |
| Extended Washer Diameter | 0.500 INCHES NOMINAL IN |
| Thread Pitch in Millimeters | 1.3 |
| Primary Washer Outside Diameter | 0.500 INCHES NOMINAL IN |
| Thread Length | 0.500 INCHES NOMINAL IN |
| Supplementary Features | TAPPING DRILL POINT IS NO 2 |
| Hardness Rating | 34.0 ROCKWELL C MINIMUM OVERALL |
| Nominal Thread Diameter | 0.164 INCHES IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Primary Washer Style | FLAT |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | ZINC OVERALL |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Thread Quantity Per Inch | 18 |
| Material | STEEL COMP 410 OVERALL |
| Material | RUBBER ETHYLENE-PROPYLENE CLASS EPM PRIMARY WASHER |
| 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 |
|---|---|
| 94058A105 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5305-01-588-7395 is a Screw,assembled Washer, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5305, Screws. Status: active.
NSN 5305-01-588-7395 has 1 manufacturer part number on file: 94058A105 (Mcmaster-Carr Supply Co).
Key specifications for 94058A105: Extended Washer Thickness: 0.250 INCHES NOMINAL IN; Head Height: 0.242 INCHES NOMINAL IN; Fastener Length: 0.500 INCHES NOMINAL IN; Extended Washer Diameter: 0.500 INCHES NOMINAL IN. 19 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.