The Nut,plain,round, cataloged under National Stock Number 5310-00-490-7120, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-490-7120 |
| Primary Part Number | 279209 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace |
| Status | ACTIVE |
| Drive Point Width | 0.125 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nut Diameter | 3.250 INCHES NOMINAL IN |
| Drive Point Depth | 0.094 INCHES NOMINAL IN |
| Nut Thickness | 0.312 INCHES NOMINAL IN |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 2B |
| 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 |
|---|---|
| 279209 PRIMARY | Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace (USA) |
| CA67677-001 | Mistequay Group Ltd (USA) |
| CA67677-001 | Moog Military Aircraft Llc (USA) |
| Reference | Meaning |
|---|---|
| 279209 | 5/9 Secondary reference Kidde-Fenwal, Llc |
NSN 5310-00-490-7120 is a Nut,plain,round, manufactured by Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-490-7120 has 3 manufacturer part numbers on file: 279209 (Sargent Aerospace & Defense, Llc Dba Sargent Controls & Aerospace Div Sargent Controls & Aerospace), CA67677-001 (Mistequay Group Ltd), CA67677-001 (Moog Military Aircraft Llc).
Key specifications for 279209: Drive Point Width: 0.125 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND; Nut Diameter: 3.250 INCHES NOMINAL IN; Drive Point Depth: 0.094 INCHES NOMINAL IN. 8 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.