The Washer,spring Tension, cataloged under National Stock Number 5310-01-059-1851, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic. Government technical data includes 4 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 | 5310-01-059-1851 |
| Primary Part Number | M2115C |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic |
| Status | ACTIVE |
| Outside Diameter | 0.656 INCHES MINIMUM AND 0.656 INCHES MINIMUM AND 0.718 INCHES MAXIMUM0.718 INCHES MAXIMUM IN |
| Material Thickness | 0.013 INCHES MINIMUM AND 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM0.017 INCHES MAXIMUM IN |
| Material | STEEL COMP 1095 OVERALL |
| Hole Diameter | 0.390 INCHES MINIMUM AND 0.390 INCHES MINIMUM AND 0.422 INCHES MAXIMUM0.422 INCHES MAXIMUM 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 |
|---|---|
| M2115C PRIMARY | Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic (USA) |
NSN 5310-01-059-1851 is a Washer,spring Tension, manufactured by Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-059-1851 has 1 manufacturer part number on file: M2115C (Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic).
Key specifications for M2115C: Overall Height: 0.094 INCHES MINIMUM AND 0.094 INCHES MINIMUM AND 0.156 INCHES MAXIMUM0.156 INCHES MAXIMUM IN; Outside Diameter: 0.656 INCHES MINIMUM AND 0.656 INCHES MINIMUM AND 0.718 INCHES MAXIMUM0.718 INCHES MAXIMUM IN; Material Thickness: 0.013 INCHES MINIMUM AND 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM0.017 INCHES MAXIMUM IN; Material: STEEL COMP 1095 OVERALL. 4 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.