The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-439-0097, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cincinnati Gearing Systems Inc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Cincinnati Gearing Systems Inc (CAGE 3BNF6) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-439-0097 |
| Primary Part Number | 15-0500-03697 PC 138 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cincinnati Gearing Systems Inc |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 90-6100-51480 | Cincinnati Gearing Systems Inc (USA) |
| 15-0500-03697 PC 138 PRIMARY | Cincinnati Gearing Systems Inc (USA) |
| Reference | Meaning |
|---|---|
| 15-0500-03697 PC 138 | 3/9 Design control — primary reference The Cincinnati Gear Company Dba Power Transmission Systems |
| 90-6100-51480 | 5/9 Secondary reference The Cincinnati Gear Company Dba Power Transmission Systems |
NSN 5310-01-439-0097 is a Nut,plain,hexagon, manufactured by Cincinnati Gearing Systems Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-439-0097 has 2 manufacturer part numbers on file: 90-6100-51480 (Cincinnati Gearing Systems Inc), 15-0500-03697 PC 138 (Cincinnati Gearing Systems Inc).
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.