The Washer,split, cataloged under National Stock Number 5310-01-528-7188, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. The record lists 4 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Washer,split |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Mcmaster-Carr Supply Co (CAGE 39428); The American Society of Mechanical Engineers (CAGE 05047); Amz Alabama Inc. (CAGE 076M6); Japan Marine Engineering Company Atf Donald O'connor Family Trust (CAGE Z0HG5) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-528-7188 |
| Primary Part Number | AEW07X375000CH2A11 |
| Item Name | Washer,split |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| 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 |
|---|---|
| 92147A031 | Mcmaster-Carr Supply Co (USA) |
| AEW07X375000CH2A11 PRIMARY | The American Society of Mechanical Engineers (USA) |
| 3000076-038 | Amz Alabama Inc. (USA) |
| 92147A031 | Japan Marine Engineering Company Atf Donald O'connor Family Trust (AUS) |
| Reference | Meaning |
|---|---|
| 3000076-038 | 3/2 Design control — primary reference U.S. Government activity |
| M1171-531171 | 6/9 Informative reference only Forsvarets Materielverk |
NSN 5310-01-528-7188 is a Washer,split, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-528-7188 has 4 manufacturer part numbers on file: 92147A031 (Mcmaster-Carr Supply Co), AEW07X375000CH2A11 (The American Society of Mechanical Engineers), 3000076-038 (Amz Alabama Inc.), 92147A031 (Japan Marine Engineering Company Atf Donald O'connor Family Trust).
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.