The Washer,lock, cataloged under National Stock Number 5310-01-484-8982, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Metric and Multistandard Components Corp. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-484-8982 |
| Primary Part Number | DIN 128-A2 2.5 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Metric and Multistandard Components Corp |
| Status | ACTIVE |
| Outside Diameter | 5.1 MILLIMETERS NOMINAL MM |
| Material Thickness | 0.9 MILLIMETERS MINIMUM AND 1.1 MILLIMETERS MAXIMUM MM |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 2.6 MILLIMETERS MINIMUM AND 2.9 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 |
|---|---|
| DIN 128-A2 2.5 PRIMARY | Metric and Multistandard Components Corp (USA) |
| 128A2-2.5MM | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| DIN128-A2,5-A2 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5310-01-484-8982 is a Washer,lock, manufactured by Metric and Multistandard Components Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-484-8982 has 2 manufacturer part numbers on file: DIN 128-A2 2.5 (Metric and Multistandard Components Corp), 128A2-2.5MM (Metric and Multistandard Components Corp).
Key specifications for DIN 128-A2 2.5: Outside Diameter: 5.1 MILLIMETERS NOMINAL MM; Material Thickness: 0.9 MILLIMETERS MINIMUM AND 1.1 MILLIMETERS MAXIMUM MM; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; End Item Identification: EOTS OFFLOAD,CASS. 4 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.