The Stud,locked in, cataloged under National Stock Number 5307-01-117-3545, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Sae International Dba Sae International. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-117-3545 |
| Primary Part Number | MS51989-206-16 |
| Item Name | Stud,locked in |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Sae International Dba Sae International |
| Status | ACTIVE |
| Distance From Serrated Portion to Nut End | 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN |
| Thread Length | 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM NUT THREAD IN |
| Thread Length | 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM STUD THREAD IN |
| Style Designator | LOCKED IN |
| Distance From Serrated Portion to End of Stud Thread | 0.110 INCHES MINIMUM AND 0.170 INCHES MAXIMUM IN |
| Distance From Serrated Portion to Stud End | 0.675 INCHES MINIMUM AND 0.705 INCHES MAXIMUM IN |
| Locking Feature | RING, LOCK SERRATED |
| Serration Quantity | 20 |
| Thread Class | 3A 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 |
|---|---|
| MS51989-206-16 PRIMARY | Sae International Dba Sae International (USA) |
| Reference | Meaning |
|---|---|
| MS51989-206-16 | 5/9 Secondary reference U.S. Government activity |
| MS51989-206-16 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5307-01-117-3545 is a Stud,locked in, manufactured by Sae International Dba Sae International, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-117-3545 has 1 manufacturer part number on file: MS51989-206-16 (Sae International Dba Sae International).
Key specifications for MS51989-206-16: Distance From Serrated Portion to Nut End: 0.995 INCHES MINIMUM AND 1.005 INCHES MAXIMUM IN; Thread Length: 0.545 INCHES MINIMUM AND 0.575 INCHES MAXIMUM NUT THREAD IN; Thread Length: 0.535 INCHES MINIMUM AND 0.565 INCHES MAXIMUM STUD THREAD IN; Style Designator: LOCKED IN. 9 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.