The Washer,shouldered, cataloged under National Stock Number 5310-01-074-0872, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier. Government technical data includes 8 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-074-0872 |
| Primary Part Number | 642AS2620 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier |
| Status | ACTIVE |
| Shoulder Height | 0.040 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-M-20693,COMP A,TYPE 3,GRADE E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.281 INCHES NOMINAL IN |
| Material Thickness | 0.040 INCHES NOMINAL IN |
| Shoulder Diameter | 0.187 INCHES NOMINAL IN |
| Material | PLASTIC OVERALL |
| Hole Diameter | 0.122 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 |
|---|---|
| 642AS2620 PRIMARY | Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier (USA) |
NSN 5310-01-074-0872 is a Washer,shouldered, manufactured by Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-074-0872 has 1 manufacturer part number on file: 642AS2620 (Naval Air Systems Command Managed Original Design Activity Not Material/parts Supplier).
Key specifications for 642AS2620: Shoulder Height: 0.040 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: MIL-M-20693,COMP A,TYPE 3,GRADE E MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.281 INCHES NOMINAL IN. 8 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.