The Stud,self-Locking, cataloged under National Stock Number 5307-01-448-4190, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Huntington Ingalls Inc Div Newport News Shipbuilding. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-448-4190 |
| Primary Part Number | 123-4403541 PART 18 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Huntington Ingalls Inc Div Newport News Shipbuilding |
| Status | ACTIVE |
| Thread Length | 0.625 INCHES NOMINAL NUT THREAD IN |
| Style Designator | SELF-LOCKING |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Head Length | 0.760 INCHES NOMINAL IN |
| Locking Feature | SELF-CLINCHING HEAD |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 20 NUT THREAD |
| Material | NICKEL ALLOY K-500 |
| Thread Series Designator | UNF NUT THREAD |
| Head Diameter | 0.937 INCHES NOMINAL IN |
| 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 |
|---|---|
| 123-5901610 PART 18 | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| 123-4403541 PART 18 PRIMARY | Huntington Ingalls Inc Div Newport News Shipbuilding (USA) |
| Reference | Meaning |
|---|---|
| 123-4403541 PART 18 | C/1 Advisory reference — outside the item-of-supply concept Naval Sea Systems Command |
NSN 5307-01-448-4190 is a Stud,self-Locking, manufactured by Huntington Ingalls Inc Div Newport News Shipbuilding, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-448-4190 has 2 manufacturer part numbers on file: 123-5901610 PART 18 (Huntington Ingalls Inc Div Newport News Shipbuilding), 123-4403541 PART 18 (Huntington Ingalls Inc Div Newport News Shipbuilding).
Key specifications for 123-4403541 PART 18: Thread Length: 0.625 INCHES NOMINAL NUT THREAD IN; Style Designator: SELF-LOCKING; Overall Length: 2.125 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND NUT THREAD. 11 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.