The Washer,spring Tension, cataloged under National Stock Number 5310-01-630-2471, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The American Society of Mechanical Engineers. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-630-2471 |
| Primary Part Number | AEW16X80M000SB8A31 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The American Society of Mechanical Engineers |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Outside Diameter | 18.0 MILLIMETERS NOMINAL MM |
| Material Thickness | 2.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | PASSIVATE OVERALL |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 8.4 MILLIMETERS NOMINAL 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 |
|---|---|
| 91477A181 | Mcmaster-Carr Supply Co (USA) |
| AEW16X80M000SB8A31 PRIMARY | The American Society of Mechanical Engineers (USA) |
| Reference | Meaning |
|---|---|
| AEW16X80M000SB8A31 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-630-2471 is a Washer,spring Tension, manufactured by The American Society of Mechanical Engineers, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-630-2471 has 2 manufacturer part numbers on file: 91477A181 (Mcmaster-Carr Supply Co), AEW16X80M000SB8A31 (The American Society of Mechanical Engineers).
Key specifications for AEW16X80M000SB8A31: Overall Height: 2.6 MILLIMETERS NOMINAL MM; Style Designator: SPRING TENSION; Outside Diameter: 18.0 MILLIMETERS NOMINAL MM; Material Thickness: 2.0 MILLIMETERS NOMINAL MM. 6 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.