The Washer,flat, cataloged under National Stock Number 5310-01-301-1869, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 6 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 | 5310-01-301-1869 |
| Primary Part Number | LD153-0040-0015 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Overall Diameter | 0.805 INCHES NOMINAL IN |
| Special Test Features | LAMINATION THICKNESS: .002" |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.550 INCHES NOMINAL IN |
| Thickness | 0.032 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 |
|---|---|
| LD153-0040-0015 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| LD153-0040-0015 | Meg Technologies, Inc. Dba Meg Technologies Inc (USA) |
NSN 5310-01-301-1869 is a Washer,flat, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-301-1869 has 2 manufacturer part numbers on file: LD153-0040-0015 (The Boeing Company Div Legacy Am&m), LD153-0040-0015 (Meg Technologies, Inc. Dba Meg Technologies Inc).
Key specifications for LD153-0040-0015: Overall Diameter: 0.805 INCHES NOMINAL IN; Special Test Features: LAMINATION THICKNESS: .002"; Special Features: MATERIAL: 302 CORROSION RESISTANT STEEL, LAMINATED SHIM STOCK PER MIL-S-22499, COMP 3, TYPE 1, CLASS 1; Peripheral Shape Style: ROUND. 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.