The Washer,shouldered and Recessed, cataloged under National Stock Number 5310-01-008-6303, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Army, United States Department of the Dba Rock Island Arsenal Jmtc. Government technical data includes 12 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 | 5310-01-008-6303 |
| Primary Part Number | 8447398 |
| Item Name | Washer,shouldered and Recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Army, United States Department of the Dba Rock Island Arsenal Jmtc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-A-8625,TYPE 1 OR 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Shoulder Height | 0.400 INCHES NOMINAL IN |
| Style Designator | SHOULDERED AND RECESSED |
| Material Document and Classification | QQ-A-200/8,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 6.248 INCHES NOMINAL IN |
| Recess Depth | 0.406 INCHES NOMINAL IN |
| Material Thickness | 0.600 INCHES NOMINAL IN |
| Shoulder Diameter | 3.220 INCHES NOMINAL IN |
| Recess Diameter | 2.813 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Hole Diameter | 2.160 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 |
|---|---|
| 8447398 PRIMARY | Army, United States Department of the Dba Rock Island Arsenal Jmtc (USA) |
NSN 5310-01-008-6303 is a Washer,shouldered and Recessed, manufactured by Army, United States Department of the Dba Rock Island Arsenal Jmtc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-008-6303 has 1 manufacturer part number on file: 8447398 (Army, United States Department of the Dba Rock Island Arsenal Jmtc).
Key specifications for 8447398: Overall Height: 1.000 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TYPE 1 OR 2,CLASS 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Shoulder Height: 0.400 INCHES NOMINAL IN; Style Designator: SHOULDERED AND RECESSED. 12 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.