The Nut,plain,round, cataloged under National Stock Number 5310-00-893-6835, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 13 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-893-6835 |
| Primary Part Number | 1N9-56 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Thread Series | UN |
| Drive Point Width | 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 3.500 INCHES IN |
| Nut Diameter | 4.047 INCHES MINIMUM AND 4.077 INCHES MAXIMUM IN |
| Drive Point Depth | 0.375 INCHES NOMINAL IN |
| Nut Thickness | 0.750 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | ALUMINUM ALLOY 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 |
|---|---|
| 1N9-56 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
| Reference | Meaning |
|---|---|
| NAS699-56 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-00-893-6835 is a Nut,plain,round, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-893-6835 has 1 manufacturer part number on file: 1N9-56 (The Boeing Company Div Legacy Am&m).
1 possible match (shared part number, not a government interchangeability claim): 5961-00-944-9321. Verify interchangeability with system specifications before substitution.
Key specifications for 1N9-56: Thread Series: UN; Drive Point Width: 0.281 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 3.500 INCHES IN. 13 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.