The Nut,plain,plate, cataloged under National Stock Number 5310-01-210-6631, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Howmet Global Fastening Systems Inc. Div Tridair Products. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-210-6631 |
| Primary Part Number | CA1261-8 |
| Item Name | Nut,plain,plate |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Howmet Global Fastening Systems Inc. Div Tridair Products |
| Status | ACTIVE |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| CA1261-8 PRIMARY | Howmet Global Fastening Systems Inc. Div Tridair Products (USA) |
| Reference | Meaning |
|---|---|
| 581R239H05 | 5/2 Secondary reference U.S. Government activity |
| CA1260-8 | 5/9 Secondary reference U.S. Government activity |
| CA1261-8 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-210-6631 is a Nut,plain,plate, manufactured by Howmet Global Fastening Systems Inc. Div Tridair Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-210-6631 has 1 manufacturer part number on file: CA1261-8 (Howmet Global Fastening Systems Inc. Div Tridair Products).
Key specifications for CA1261-8: Special Features: 0.230 IN. X 0.200 IN. X 1.090 IN. IN; Material: STEEL OVERALL. 1 specification is 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.