The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-096-6989, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Caterpillar Inc Div Caterpillar Defense. Government technical data includes 11 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 | 5310-01-096-6989 |
| Primary Part Number | 8J2028 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Caterpillar Inc Div Caterpillar Defense |
| Status | ACTIVE |
| Shoulder Height | 0.094 INCHES NOMINAL IN |
| Hardness Rating | 85.0 ROCKWELL SUPERFICIAL 15-N MINIMUM |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | 1E303,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.392 INCHES MINIMUM AND 1.420 INCHES MAXIMUM IN |
| Material Thickness | 0.062 INCHES NOMINAL IN |
| Shoulder Diameter | 1.170 INCHES NOMINAL IN |
| Recess Diameter | 0.685 INCHES MINIMUM AND 0.693 INCHES MAXIMUM IN |
| Material | STEEL COMP 1215 OVERALL |
| Hole Diameter | 0.625 INCHES MINIMUM AND 0.633 INCHES MAXIMUM IN |
| Recess Angle | 90.0 DEGREES NOMINAL |
| 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 |
|---|---|
| 8J2028 PRIMARY | Caterpillar Inc Div Caterpillar Defense (USA) |
NSN 5310-01-096-6989 is a Washer,shouldered and Recessed, manufactured by Caterpillar Inc Div Caterpillar Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-096-6989 has 1 manufacturer part number on file: 8J2028 (Caterpillar Inc Div Caterpillar Defense).
Key specifications for 8J2028: Shoulder Height: 0.094 INCHES NOMINAL IN; Hardness Rating: 85.0 ROCKWELL SUPERFICIAL 15-N MINIMUM; Style Designator: SHOULDERED AND RECESSED; Material Document and Classification: 1E303,FSCM 11083 MFR REF SINGLE MATERIAL RESPONSE OVERALL. 11 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.