The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-539-4557, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Acr Electronics, Inc. Dba Acr Electronics Inc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-539-4557 |
| Primary Part Number | 241-0832 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Acr Electronics, Inc. Dba Acr Electronics Inc |
| Status | ACTIVE |
| Width Across Flats | 0.250 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Height | 0.090 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | FLAT |
| 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 |
|---|---|
| 241-0832 PRIMARY | Acr Electronics, Inc. Dba Acr Electronics Inc (USA) |
| Reference | Meaning |
|---|---|
| 241-0832 | 3/9 Design control — primary reference Artex Aircraft Supplies Inc. Dba Wulfsberg Electronics Div Chelton Avionics Inc. |
NSN 5310-01-539-4557 is a Nut,plain,hexagon, manufactured by Acr Electronics, Inc. Dba Acr Electronics Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-539-4557 has 1 manufacturer part number on file: 241-0832 (Acr Electronics, Inc. Dba Acr Electronics Inc).
Key specifications for 241-0832: Width Across Flats: 0.250 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.164 INCHES IN. 10 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.