The Washer,recessed, cataloged under National Stock Number 5310-01-388-4467, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fabory Usa Ltd.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-388-4467 |
| Primary Part Number | DIN128-A3 |
| Item Name | Washer,recessed |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fabory Usa Ltd. |
| Status | ACTIVE |
| Hardness Rating | 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM |
| Outside Diameter | 6.2 MILLIMETERS MAXIMUM MM |
| Material Thickness | 0.6 MILLIMETERS MINIMUM AND 0.8 MILLIMETERS MAXIMUM MM |
| Material | STEEL OVERALL |
| Hole Diameter | 3.1 MILLIMETERS MINIMUM AND 3.4 MILLIMETERS MAXIMUM MM |
| 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 |
|---|---|
| DIN128-A3 PRIMARY | Fabory Usa Ltd. (USA) |
| DIN128-A3-1.4310 | Din Deutsches Institut Fur Normung Ev (DEU) |
NSN 5310-01-388-4467 is a Washer,recessed, manufactured by Fabory Usa Ltd., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-388-4467 has 2 manufacturer part numbers on file: DIN128-A3 (Fabory Usa Ltd.), DIN128-A3-1.4310 (Din Deutsches Institut Fur Normung Ev).
Key specifications for DIN128-A3: Overall Height: 1.1 MILLIMETERS MINIMUM AND 1.3 MILLIMETERS MAXIMUM MM; Hardness Rating: 44.0 ROCKWELL C MINIMUM AND 51.0 ROCKWELL C MAXIMUM; Outside Diameter: 6.2 MILLIMETERS MAXIMUM MM; Material Thickness: 0.6 MILLIMETERS MINIMUM AND 0.8 MILLIMETERS MAXIMUM MM. 5 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.