The Washer,lock, cataloged under National Stock Number 5310-01-444-3053, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-444-3053 |
| Primary Part Number | DIN 6798-A2 J2.5 |
| Item Name | Washer,lock |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Metric and Multistandard Components Corp |
| Status | ACTIVE |
| Outside Diameter | 5.5 MILLIMETERS NOMINAL MM |
| Material Thickness | 0.4 MILLIMETERS NOMINAL MM |
| Material | STEEL COMP 304 OVERALL |
| Hole Diameter | 2.7 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 |
|---|---|
| H10095 | Spectro Scientific, Inc Dba Spectro Inc (USA) |
| DIN 6798-A2 J2.5 PRIMARY | Metric and Multistandard Components Corp (USA) |
| Reference | Meaning |
|---|---|
| 6798JM2.5-A2 | 5/9 Secondary reference Metric and Multistandard Components Corp |
NSN 5310-01-444-3053 is a Washer,lock, manufactured by Metric and Multistandard Components Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-444-3053 has 2 manufacturer part numbers on file: H10095 (Spectro Scientific, Inc Dba Spectro Inc), DIN 6798-A2 J2.5 (Metric and Multistandard Components Corp).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-622-3006. Verify interchangeability with system specifications before substitution.
Key specifications for DIN 6798-A2 J2.5: Outside Diameter: 5.5 MILLIMETERS NOMINAL MM; Material Thickness: 0.4 MILLIMETERS NOMINAL MM; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Material: STEEL COMP 304 OVERALL. 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.