The Stud,plain, cataloged under National Stock Number 5307-00-266-1127, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Bath Iron Works Corporation. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-00-266-1127 |
| Primary Part Number | M37966PC243 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Bath Iron Works Corporation |
| Status | ACTIVE |
| Thread Length | 1.250 INCHES MINIMUM STUD THREAD IN |
| Thread Length | 1.250 INCHES MINIMUM NUT THREAD IN |
| Material Document and Classification | QQ-N-281,CL A FED 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 Designator | AS MODIFIED BY BUT END THREAD LENGTH AND MODIFIED BY STUD END THREAD LENGTH |
| Nondefinitive Spec/std Data | 1 TYPE AND A STYLE |
| Thread Class | 3A NUT THREAD A |
| Thread Class | 3A STUD THREAD A |
| Thread Quantity Per Inch | 13 STUD THREAD |
| Thread Quantity Per Inch | 13 NUT THREAD |
| Material | NICKEL ALLOY 400 |
| 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 |
|---|---|
| M37966PC243 PRIMARY | Bath Iron Works Corporation (USA) |
| 51-152PC243 PRIMARY | Bath Iron Works Corporation (USA) |
| M37600-243 PRIMARY | Bath Iron Works Corporation (USA) |
| M37966ALT2PC243 PRIMARY | Bath Iron Works Corporation (USA) |
| Reference | Meaning |
|---|---|
| 54101S58-128ALT2PC243 | 3/2 Design control — primary reference U.S. Government activity |
| 54101S58-132PC243 | 3/2 Design control — primary reference U.S. Government activity |
| 3153776REV1PC243 | 3/2 Design control — primary reference U.S. Government activity |
| 54101S58-128PC243 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5307-00-266-1127 is a Stud,plain, manufactured by Bath Iron Works Corporation, classified under FSC 5307, Studs. Status: active.
NSN 5307-00-266-1127 has 4 manufacturer part numbers on file: M37966PC243 (Bath Iron Works Corporation), 51-152PC243 (Bath Iron Works Corporation), M37600-243 (Bath Iron Works Corporation), M37966ALT2PC243 (Bath Iron Works Corporation).
Key specifications for M37966PC243: Thread Length: 1.250 INCHES MINIMUM STUD THREAD IN; Thread Length: 1.250 INCHES MINIMUM NUT THREAD IN; Material Document and Classification: QQ-N-281,CL A FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 5.000 INCHES NOMINAL IN. 16 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.