The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-539-8089, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 6 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-539-8089 |
| Primary Part Number | 90101A245 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Width Across Flats | 0.562 INCHES NOMINAL IN |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.265 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 24 |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| 741356 ITEM 21 | Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd. (CAN) |
| 90101A245 PRIMARY | Mcmaster-Carr Supply Co (USA) |
NSN 5310-01-539-8089 is a Nut,self-Locking,hexagon, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-539-8089 has 2 manufacturer part numbers on file: 741356 ITEM 21 (Aircraft Appliances and Equipment Limited Div Aircraft Appliances and Equipment Ltd.), 90101A245 (Mcmaster-Carr Supply Co).
Key specifications for 90101A245: Width Across Flats: 0.562 INCHES NOMINAL IN; Nominal Thread Size: 0.375 INCHES IN; Nut Height: 0.265 INCHES NOMINAL IN; Special Features: THESE REUSABLE LOCKNUTS RESIST VIBRATION AND WILL HOLD IN PLACE ANYWHERE ALONG THE THREADS OF THE MATING PART. LIMITS FLUID LEAKAGE AND IS EFFECTIVE UP TO 250 DEG F DEGF. 6 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.