The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-201-9030, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Steward Machine Co Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Steward Machine Co Inc (CAGE 9E328) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-201-9030 |
| Primary Part Number | 52-155 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Steward Machine Co Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 52-155 PRIMARY | Steward Machine Co Inc (USA) |
| Reference | Meaning |
|---|---|
| 29-E-101 | 5/9 Secondary reference Harvard Industries Inc |
| 52-155 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-509 PIECE 140 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
| 60-686 PIECE 140 | 5/9 Secondary reference Hardie-Tynes Co., Inc. |
NSN 5310-01-201-9030 is a Nut,plain,hexagon, manufactured by Steward Machine Co Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-201-9030 has 1 manufacturer part number on file: 52-155 (Steward Machine Co Inc).
3 possible matches (shared part number, not a government interchangeability claim): 5995-01-412-8638, 1005-01-569-7470, 5340-01-594-6945. Verify interchangeability with system specifications before substitution.
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.