The Washer,flat, cataloged under National Stock Number 5310-01-425-7873, 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 2 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-425-7873 |
| Primary Part Number | 243-6758311 FIND MSAS-A88L1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZY |
| Reference Number Differentiating Characteristics | QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| 243-6758311 FIND MSAS-A88L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| DX0000419 FN A64L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 243-6758311 FIND MSAS-A64L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| 243-6758311 FIND MSAS-A88 | 3/1 Design control — primary reference Naval Sea Systems Command |
| 243-6758311 FIND MSAS-A64 | 5/1 Secondary reference Naval Sea Systems Command |
| DX0000419 FN A64 | 5/1 Secondary reference Naval Sea Systems Command |
NSN 5310-01-425-7873 is a Washer,flat, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-425-7873 has 3 manufacturer part numbers on file: 243-6758311 FIND MSAS-A88L1 (Naval Inventory Control Point Mechanicsburg), DX0000419 FN A64L1 (Naval Inventory Control Point Mechanicsburg), 243-6758311 FIND MSAS-A64L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for 243-6758311 FIND MSAS-A88L1: Criticality Code Justification: ZZZY; End Item Identification: FWD/AFT SEAL ASSY,MAIN PROP SHAFT; Reference Number Differentiating Characteristics: QUALITY CONTROL IAW NAVSHIPS 0948-045-7010 MATERIAL IDENTIFICATION AND CONTROL INSTRUCTION FOR LEVEL 1 ITEMS. 2 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.