The Stud,locked in, cataloged under National Stock Number 5307-01-414-2142, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Leonardo Uk Limited (aw/eh101). Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-414-2142 |
| Primary Part Number | EF266C08S025 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Leonardo Uk Limited (aw/eh101) |
| Status | ACTIVE |
| Thread Tolerance Class | 4H EXTERNAL NUT THREAD A |
| Distance From Serrated Portion to Nut End | 15.0 MILLIMETERS NOMINAL MM |
| Thread Pitch in Millimeters | 0.30 NUT THREAD A |
| Thread Pitch in Millimeters | 0.30 STUD THREAD |
| Style Designator | LOCKED IN |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD A |
| Nominal Thread Size | 4.8 MILLIMETERS NUT THREAD A MM |
| Nominal Thread Size | 6.4 MILLIMETERS STUD THREAD MM |
| Distance From Serrated Portion to Stud End | 27.5 MILLIMETERS NOMINAL MM |
| Locking Feature | RING, LOCK SERRATED |
| Surface Treatment | CADMIUM OVERALL |
| Material | STEEL COMP 8740 |
| Thread Series Designator | ISO M STUD THREAD |
| Thread Series Designator | ISO M NUT THREAD A |
| 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 |
|---|---|
| EF266C08S025 | Leonardo Uk Limited (aw/eh101) (GBR) |
| Reference | Meaning |
|---|---|
| SME0812M08S25S5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-01-414-2142 is a Stud,locked in, manufactured by Leonardo Uk Limited (aw/eh101), classified under FSC 5307, Studs. Status: active.
NSN 5307-01-414-2142 has 1 manufacturer part number on file: EF266C08S025 (Leonardo Uk Limited (aw/eh101)).
Key specifications for EF266C08S025: Thread Tolerance Class: 4H EXTERNAL NUT THREAD A; Distance From Serrated Portion to Nut End: 15.0 MILLIMETERS NOMINAL MM; Thread Pitch in Millimeters: 0.30 NUT THREAD A; Thread Pitch in Millimeters: 0.30 STUD THREAD. 15 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.