The Washer,flat, cataloged under National Stock Number 5310-01-718-1928, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Hdt Expeditionary Systems Inc. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-718-1928 |
| Primary Part Number | FS-01365 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Hdt Expeditionary Systems Inc |
| Status | ACTIVE |
| Overall Diameter | 0.570 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.219 INCHES NOMINAL IN |
| Thickness | 0.065 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 |
|---|---|
| FS-01365 PRIMARY | Hdt Expeditionary Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 5-13-10824 | 7/2 Vendor item drawing reference U.S. Government activity |
NSN 5310-01-718-1928 is a Washer,flat, manufactured by Hdt Expeditionary Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-718-1928 has 1 manufacturer part number on file: FS-01365 (Hdt Expeditionary Systems Inc).
Key specifications for FS-01365: Overall Diameter: 0.570 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Part Name Assigned by Controlling Agency: WASHER, SEALING STYL. 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.