The Stud,plain, cataloged under National Stock Number 5307-00-473-3972, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Circor Pumps North America Llc. Government technical data includes 15 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-00-473-3972 |
| Primary Part Number | SG1966PC41 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Circor Pumps North America Llc |
| Status | ACTIVE |
| Thread Length | 0.500 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 0.688 INCHES MINIMUM NUT THREAD IN |
| Material Document and Classification | MIL-S-890,ALLOY NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.500 INCHES NUT THREAD IN |
| Nominal Thread Size | 0.500 INCHES STUD THREAD IN |
| Departure From Cited Document | AS MODIFIED BY NUT END THREAD LENGTH AND MODIFIED BY STUD END THREAD LENGTH |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 5A STUD THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Material | STEEL |
| 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 |
|---|---|
| SG1966PC41 PRIMARY | Circor Pumps North America Llc (USA) |
| SG1965PC41 PRIMARY | Circor Pumps North America Llc (USA) |
| Reference | Meaning |
|---|---|
| SG1965PC41 | 5/9 Secondary reference Siemens Energy, Inc. |
| SG1966PC41 | 5/9 Secondary reference Siemens Energy, Inc. |
| 544628PC41 | 3/2 Design control — primary reference U.S. Government activity |
| 544627PC41 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-473-3972 is a Stud,plain, manufactured by Circor Pumps North America Llc, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-473-3972 has 2 manufacturer part numbers on file: SG1966PC41 (Circor Pumps North America Llc), SG1965PC41 (Circor Pumps North America Llc).
Key specifications for SG1966PC41: Thread Length: 0.500 INCHES MINIMUM STUD THREAD IN; Thread Length: 0.688 INCHES MINIMUM NUT THREAD IN; Material Document and Classification: MIL-S-890,ALLOY NO. 2 MIL SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.562 INCHES NOMINAL IN. 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.