The Nut,plain,extended Washer,hexago, cataloged under National Stock Number 5310-00-615-5875, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 12 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 | 5310-00-615-5875 |
| Primary Part Number | 6155875 |
| Item Name | Nut,plain,extended Washer,hexago |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Washer Outside Diameter | 3.344 INCHES NOMINAL IN |
| Width Across Flats | 2.359 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Pitch in Millimeters | 2.00 |
| Thread Pitch Diameters | +1.7598 TO 1.7661 INCHES IN |
| Washer Thickness | 0.469 INCHES NOMINAL IN |
| Material Document and Classification | QQ-S-633 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.811 INCHES IN |
| Surface Treatment | OXIDE OVERALL |
| Nut Style | HEXAGON |
| Material | STEEL COMP 1137 OR STEEL COMP 1045 OVERALL |
| 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 |
|---|---|
| 6155875 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-00-615-5875 is a Nut,plain,extended Washer,hexago, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-615-5875 has 1 manufacturer part number on file: 6155875 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 6155875: Overall Height: 1.188 INCHES NOMINAL IN; Washer Outside Diameter: 3.344 INCHES NOMINAL IN; Width Across Flats: 2.359 INCHES NOMINAL IN; Thread Series: UNS. 12 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.