The Stud,locked in, cataloged under National Stock Number 5307-01-376-0910, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Sea Systems Command. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5307-01-376-0910 |
| Primary Part Number | 243-6408950 FIND 21 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Material Document and Classification | QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 3.000 INCHES NUT THREAD IN |
| Nominal Thread Size | 3.000 INCHES STUD THREAD IN |
| Locking Feature | KEY INSERTS |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 4 NUT THREAD |
| Thread Quantity Per Inch | 4 STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) 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 |
|---|---|
| 243-6408950 FIND 21 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| 211066748 | 5/9 Secondary reference Naval Sea Systems Command |
NSN 5307-01-376-0910 is a Stud,locked in, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-376-0910 has 1 manufacturer part number on file: 243-6408950 FIND 21 (Naval Sea Systems Command).
Key specifications for 243-6408950 FIND 21: Material Document and Classification: QQ-N-286 FED SPEC SINGLE MATERIAL RESPONSE; Thread Direction: RIGHT-HAND STUD THREAD; Thread Direction: RIGHT-HAND NUT THREAD; Nominal Thread Size: 3.000 INCHES NUT THREAD IN. 12 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.