The Washer,flat, cataloged under National Stock Number 5310-01-508-1847, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Defense Maritime Solutions, Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-508-1847 |
| Primary Part Number | H73918-01-8-5 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Defense Maritime Solutions, Inc. |
| Status | ACTIVE |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY 927 OVERALL |
| Center Hole Shape Style | ROUND |
| 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 |
|---|---|
| US73918-01 H73918-01-8-5 | Defense Maritime Solutions, Inc. (USA) |
| H73918-01-8-5 PRIMARY | Defense Maritime Solutions, Inc. (USA) |
| Reference | Meaning |
|---|---|
| H73918-01-8-5 | 3/9 Design control — primary reference Wartsila Lips Inc |
| US73918-01 H73918-01-8-5 | 5/9 Secondary reference Wartsila Lips Inc |
NSN 5310-01-508-1847 is a Washer,flat, manufactured by Defense Maritime Solutions, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-508-1847 has 2 manufacturer part numbers on file: US73918-01 H73918-01-8-5 (Defense Maritime Solutions, Inc.), H73918-01-8-5 (Defense Maritime Solutions, Inc.).
Key specifications for H73918-01-8-5: Cross-Sectional Shape Style: RECTANGULAR; Special Features: WASHER IS ALUMINUM BRONZE AND USED ON PACKING FOLLOWER; Peripheral Shape Style: ROUND; End Item Identification: CP-2531/SYS-2; W/S: NIMITZ CLASS CVN. 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.