The Washer,shouldered, cataloged under National Stock Number 5310-01-010-9857, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-010-9857 |
| Primary Part Number | 860197-207 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp |
| Status | ACTIVE |
| Shoulder Height | 0.025 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | MIL-M-20693,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.516 INCHES NOMINAL IN |
| Material Thickness | 0.060 INCHES NOMINAL IN |
| Shoulder Diameter | 0.338 INCHES NOMINAL IN |
| Material | PLASTIC POLYHEXAMETHYLENE AMIDE OVERALL |
| Hole Diameter | 0.260 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 |
|---|---|
| 860197-207 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| Reference | Meaning |
|---|---|
| 860197-207 | 5/9 Secondary reference Litton Systems Inc. Div Navigation Systems Division |
| 5607-28 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-010-9857 is a Washer,shouldered, manufactured by Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-010-9857 has 1 manufacturer part number on file: 860197-207 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
Key specifications for 860197-207: Shoulder Height: 0.025 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: MIL-M-20693,COMP A MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 0.516 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.