The Stud,self-Locking, cataloged under National Stock Number 5307-01-180-1771, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Cfm International Inc Dba Cfm International. Government technical data includes 6 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-180-1771 |
| Primary Part Number | 649-079-401-0 |
| Item Name | Stud,self-Locking |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Cfm International Inc Dba Cfm International |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.250 INCHES NUT THREAD IN |
| Locking Feature | GRIPPING PRONGS |
| Thread Class | 3A NUT THREAD A |
| Thread Quantity Per Inch | 28 NUT THREAD |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) NUT THREAD |
| 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 |
|---|---|
| 649-079-401-0 PRIMARY | Cfm International Inc Dba Cfm International (USA) |
NSN 5307-01-180-1771 is a Stud,self-Locking, manufactured by Cfm International Inc Dba Cfm International, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-180-1771 has 1 manufacturer part number on file: 649-079-401-0 (Cfm International Inc Dba Cfm International).
Key specifications for 649-079-401-0: Overall Length: 0.998 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND NUT THREAD; Nominal Thread Size: 0.250 INCHES NUT THREAD IN; Locking Feature: GRIPPING PRONGS. 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.