The Washer,shouldered, cataloged under National Stock Number 5310-00-209-6005, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Federal Industries, Inc. Dba Federal Industries Inc. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-209-6005 |
| Primary Part Number | 341340 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Federal Industries, Inc. Dba Federal Industries Inc |
| Status | ACTIVE |
| Shoulder Height | 0.200 INCHES NOMINAL IN |
| Heat Treatment | T-4 SOLUTION HEAT TREATED, NATURAL AGED |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.500 INCHES NOMINAL IN |
| Material Thickness | 0.100 INCHES NOMINAL IN |
| Shoulder Diameter | 0.970 INCHES NOMINAL IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Diameter | 0.258 INCHES MINIMUM AND 0.266 INCHES MAXIMUM 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 |
|---|---|
| 341340 | Federal Industries, Inc. Dba Federal Industries Inc (USA) |
| Reference | Meaning |
|---|---|
| 341340 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-209-6005 is a Washer,shouldered, manufactured by Federal Industries, Inc. Dba Federal Industries Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-209-6005 has 1 manufacturer part number on file: 341340 (Federal Industries, Inc. Dba Federal Industries Inc).
Key specifications for 341340: Shoulder Height: 0.200 INCHES NOMINAL IN; Heat Treatment: T-4 SOLUTION HEAT TREATED, NATURAL AGED; Style Designator: SHOULDERED; Material Document and Classification: QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 9 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.