The Washer,shouldered, cataloged under National Stock Number 5310-01-127-8540, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-127-8540 |
| Primary Part Number | 201-4684481 ITEM 13 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Shoulder Height | 0.190 INCHES NOMINAL IN |
| Style Designator | SHOULDERED |
| Material Document and Classification | QQ-N-281 CLASS A FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 6.000 INCHES NOMINAL IN |
| Material Thickness | 0.250 INCHES NOMINAL IN |
| Shoulder Diameter | 3.900 INCHES NOMINAL IN |
| Material | NICKEL ALLOY 400 OVERALL |
| Hole Diameter | 3.020 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 |
|---|---|
| 201-4684481 ITEM 13 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5310-01-127-8540 is a Washer,shouldered, manufactured by Naval Sea Systems Command, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-127-8540 has 1 manufacturer part number on file: 201-4684481 ITEM 13 (Naval Sea Systems Command).
Key specifications for 201-4684481 ITEM 13: Shoulder Height: 0.190 INCHES NOMINAL IN; Style Designator: SHOULDERED; Material Document and Classification: QQ-N-281 CLASS A FORM 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 6.000 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.