The Washer,convex, cataloged under National Stock Number 5310-01-119-3028, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Ontic Engineering & Manufacturing, Inc Dba Ontic Us. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-119-3028 |
| Primary Part Number | PG6003 |
| Item Name | Washer,convex |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Ontic Engineering & Manufacturing, Inc Dba Ontic Us |
| Status | ACTIVE |
| Surface Finish | 8.0 MICROINCHES TOP |
| Style Designator | CONVEX |
| Outside Diameter | 0.035 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN |
| Material Thickness | 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN |
| Material | COPPER ALLOY OVERALL |
| Hole Diameter | 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM 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 |
|---|---|
| PG6003 PRIMARY | Ontic Engineering & Manufacturing, Inc Dba Ontic Us (USA) |
| PG6003 | Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| PG6003 | 5/9 Secondary reference Ge Aviation Systems Ltd |
| 10109325 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
NSN 5310-01-119-3028 is a Washer,convex, manufactured by Ontic Engineering & Manufacturing, Inc Dba Ontic Us, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-119-3028 has 2 manufacturer part numbers on file: PG6003 (Ontic Engineering & Manufacturing, Inc Dba Ontic Us), PG6003 (Ontic Engineering & Manufacturing Uk Limited Div Ontic Engineering and Manufacturing Uk Limited).
Key specifications for PG6003: Surface Finish: 8.0 MICROINCHES TOP; Style Designator: CONVEX; Outside Diameter: 0.035 INCHES MINIMUM AND 0.037 INCHES MAXIMUM IN; Material Thickness: 0.014 INCHES MINIMUM AND 0.018 INCHES MAXIMUM IN. 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.