The Washer,flat, cataloged under National Stock Number 5310-01-618-1176, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hydrema U.s., Inc. Dba Hydrema Us Inc. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-618-1176 |
| Primary Part Number | 2031880 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hydrema U.s., Inc. Dba Hydrema Us Inc |
| Status | ACTIVE |
| Overall Diameter | 50.0 MILLIMETERS NOMINAL MM |
| Material Document and Classification | PLATE 3X ST.1203,MATERIAL NO.899064 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 6.1 MILLIMETERS NOMINAL MM |
| Thickness | 3.0 MILLIMETERS NOMINAL MM |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-618-1176 is a Washer,flat, manufactured by Hydrema U.s., Inc. Dba Hydrema Us Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-618-1176 has 2 manufacturer part numbers on file: 2031880 (Hydrema U.s., Inc. Dba Hydrema Us Inc), 2031880 (A/s Hydrema Export Dba A/s Hydrostar).
Key specifications for 2031880: Overall Diameter: 50.0 MILLIMETERS NOMINAL MM; Material Document and Classification: PLATE 3X ST.1203,MATERIAL NO.899064 MFR REF SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: WASHER TYPE IS 910 MCV-2. 8 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.