The Washer,spring Tension, cataloged under National Stock Number 5310-01-015-1704, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Barnes Group Inc.. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-015-1704 |
| Primary Part Number | MCW1819-020 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Barnes Group Inc. |
| Status | ACTIVE |
| Material Document and Classification | FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.819 INCHES NOMINAL1.819 INCHES NOMINAL IN |
| Material Thickness | 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 1.404 INCHES NOMINAL1.404 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 |
|---|---|
| 9714K71 | Mcmaster-Carr Supply Co (USA) |
| MCW1819-020 PRIMARY | Barnes Group Inc. (USA) |
| 1UAD8 | W.w. Grainger, Inc. Div Government Sales Division (USA) |
| Reference | Meaning |
|---|---|
| 15A002-47 | 5/9 Secondary reference Oeco, Llc Dba Pacific Scientific Oeco |
NSN 5310-01-015-1704 is a Washer,spring Tension, manufactured by Barnes Group Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-015-1704 has 3 manufacturer part numbers on file: 9714K71 (Mcmaster-Carr Supply Co), MCW1819-020 (Barnes Group Inc.), 1UAD8 (W.w. Grainger, Inc. Div Government Sales Division).
Key specifications for MCW1819-020: Overall Height: 0.062 INCHES NOMINAL0.062 INCHES NOMINAL IN; Material Document and Classification: FED-STD-66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.819 INCHES NOMINAL1.819 INCHES NOMINAL IN; Material Thickness: 0.020 INCHES NOMINAL0.020 INCHES NOMINAL IN. 6 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.