The Washer,flat, cataloged under National Stock Number 5310-01-248-0459, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 7 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-248-0459 |
| Primary Part Number | DGR298LVM |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Width Across Flats | 1.500 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | SQUARE |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.531 INCHES NOMINAL IN |
| Reference Number Differentiating Characteristics | MAGNETIC PERMEABILITY SHALL NOT EXCEED 2.0 AFTER FABRICATION |
| Thickness | 0.120 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 |
|---|---|
| DGR298LVM | Naval Inventory Control Point Mechanicsburg (USA) |
| DGR4350C PT215VM | Naval Inventory Control Point Mechanicsburg (USA) |
| DGR4350B PT215VM | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| DGR298LVM | 5/1 Secondary reference Timken Gears & Services Inc. Div Philadelphia Gear |
| DGR4350C PT215 | 5/1 Secondary reference Siemens Energy, Inc. |
| DGR4350B PT215 | 5/1 Secondary reference Siemens Energy, Inc. |
| DGR298L | 3/9 Design control — primary reference Siemens Energy, Inc. |
| DGR298L | 3/1 Design control — primary reference Timken Gears & Services Inc. Div Philadelphia Gear |
NSN 5310-01-248-0459 is a Washer,flat, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-248-0459 has 3 manufacturer part numbers on file: DGR298LVM (Naval Inventory Control Point Mechanicsburg), DGR4350C PT215VM (Naval Inventory Control Point Mechanicsburg), DGR4350B PT215VM (Naval Inventory Control Point Mechanicsburg).
Key specifications for DGR298LVM: Width Across Flats: 1.500 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: SQUARE; Center Hole Shape Style: ROUND. 7 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.