The Washer,spring Tension, cataloged under National Stock Number 5310-01-155-3893, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Din Deutsches Institut Fur Normung Ev. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-155-3893 |
| Primary Part Number | DIN137-B10-ST-A2L |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Din Deutsches Institut Fur Normung Ev |
| Status | ACTIVE |
| Outside Diameter | 21.0 MILLIMETERS NOMINAL MM |
| Material Thickness | 1.0 MILLIMETERS NOMINAL MM |
| Surface Treatment | ZINC AND CHROMATE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 10.5 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 |
|---|---|
| DIN137-B10-ST-A2L PRIMARY | Din Deutsches Institut Fur Normung Ev (DEU) |
| 10501797 | General Dynamics Land Systems Canadacorp (CAN) |
| Reference | Meaning |
|---|---|
| DIN137-A2L-B10 | 5/9 Secondary reference Din Deutsches Institut Fur Normung Ev |
NSN 5310-01-155-3893 is a Washer,spring Tension, manufactured by Din Deutsches Institut Fur Normung Ev, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-155-3893 has 2 manufacturer part numbers on file: DIN137-B10-ST-A2L (Din Deutsches Institut Fur Normung Ev), 10501797 (General Dynamics Land Systems Canadacorp).
Key specifications for DIN137-B10-ST-A2L: Outside Diameter: 21.0 MILLIMETERS NOMINAL MM; Material Thickness: 1.0 MILLIMETERS NOMINAL MM; Surface Treatment: ZINC AND CHROMATE OVERALL; Material: STEEL OVERALL. 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.