The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-498-9371, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. Government technical data includes 2 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 | 5310-01-498-9371 |
| Primary Part Number | 4541B50H01 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd |
| Status | ACTIVE |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Material | COPPER 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 |
|---|---|
| 4541B50H01 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
| 4D96191 ITEM 19 PRIMARY | Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA) |
NSN 5310-01-498-9371 is a Nut,self-Locking,hexagon, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-498-9371 has 2 manufacturer part numbers on file: 4541B50H01 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 4D96191 ITEM 19 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).
Key specifications for 4541B50H01: Locking Feature: PREVAILING TORQUE WITH NONMETALLIC INSERT; Special Features: USED ON SEAWOLF SUBMARINE PROPULSION SYSTEM.; Material: COPPER ALLOY OVERALL. 2 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.