The Washer,flat, cataloged under National Stock Number 5310-00-082-1882, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cummins Inc.. Government technical data includes 9 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-082-1882 |
| Primary Part Number | 140218 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cummins Inc. |
| Status | ACTIVE |
| Overall Diameter | 1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN |
| Material Document and Classification | AISI ASSN STD SINGLE MATERIAL RESPONSE AND SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Features Provided | CASEHARDENED |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 1019 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.780 INCHES MINIMUM AND 0.790 INCHES MAXIMUM IN |
| Thickness | 0.148 INCHES NOMINAL IN |
| 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 |
|---|---|
| 140218 PRIMARY | Cummins Inc. (USA) |
NSN 5310-00-082-1882 is a Washer,flat, manufactured by Cummins Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-082-1882 has 1 manufacturer part number on file: 140218 (Cummins Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5905-00-931-0090. Verify interchangeability with system specifications before substitution.
Key specifications for 140218: Overall Diameter: 1.210 INCHES MINIMUM AND 1.230 INCHES MAXIMUM IN; Material Document and Classification: AISI ASSN STD SINGLE MATERIAL RESPONSE AND SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Features Provided: CASEHARDENED. 9 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.