The Screw,assembled Washer, cataloged under National Stock Number 5305-01-088-6019, is classified within Federal Supply Class 5305 (Screws) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5305-01-088-6019 |
| Primary Part Number | 3010596 |
| Item Name | Screw,assembled Washer |
| FSC / FSG | 5305 / 53 — Screws |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Extended Washer Thickness | 0.094 INCHES NOMINAL IN |
| Head Height | 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN |
| Fastener Length | 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN |
| Extended Washer Diameter | 0.628 INCHES MINIMUM IN |
| Primary Washer Outside Diameter | 0.635 INCHES MINIMUM AND 0.651 INCHES MAXIMUM IN |
| Head Style | HEXAGON EXTENDED WASHER |
| Primary Washer Style | SPLIT HELICAL RING |
| Thread Direction | RIGHT-HAND |
| Primary Washer Material Thickness | 0.094 INCHES NOMINAL IN |
| Width Between Flats | 0.551 INCHES MINIMUM AND 0.563 INCHES MAXIMUM IN |
| Internal Drive Style | W/O INTERNAL DRIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| MA25-21056 | Am General Llc (USA) |
| 3010596 PRIMARY | Cummins Inc. (USA) |
| Reference | Meaning |
|---|---|
| 10087763 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5305-01-088-6019 is a Screw,assembled Washer, manufactured by Cummins Inc., classified under FSC 5305, Screws. Status: active.
NSN 5305-01-088-6019 has 2 manufacturer part numbers on file: MA25-21056 (Am General Llc), 3010596 (Cummins Inc.).
Key specifications for 3010596: Extended Washer Thickness: 0.094 INCHES NOMINAL IN; Head Height: 0.270 INCHES MINIMUM AND 0.295 INCHES MAXIMUM IN; Fastener Length: 1.188 INCHES MINIMUM AND 1.250 INCHES MAXIMUM IN; Extended Washer Diameter: 0.628 INCHES MINIMUM IN. 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.