The Stud,plain, cataloged under National Stock Number 5307-01-245-0781, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Naval Inventory Control Point Mechanicsburg. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 6 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-245-0781 |
| Primary Part Number | Y-112D178X11L1 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Inventory Control Point Mechanicsburg |
| Status | ACTIVE |
| Criticality Code Justification | ZZZX |
| Material Document and Classification | ASTM A193,GRADE B7 ASSN STD SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 1.125 INCHES STUD THREAD IN |
| Departure From Cited Designator | MATERIAL CONTROLLED IAW NAVSEA 0948-LP-045-7010 MATERIAL CONTROL STANDARD FOR LEVEL I ITEMS |
| Thread Class | 3A STUD THREADUNABLE TO DECODE A |
| Thread Quantity Per Inch | 7 STUD THREADUNABLE TO DECODE |
| Material | STEEL |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) STUD THREAD |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | S |
| Part Number | Manufacturer |
|---|---|
| Y-112D178X11L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| PL-11156-F-18 ITEM 178CL1 | Naval Inventory Control Point Mechanicsburg (USA) |
| 10444-C-18L1 | Naval Inventory Control Point Mechanicsburg (USA) |
| Reference | Meaning |
|---|---|
| PL-11156-F-18 ITEM 178C | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| Y-112D178X11 | 5/9 Secondary reference U.S. Government activity |
| 10444-C-18 | 5/9 Secondary reference U.S. Government activity |
| PL-11156-F-18 ITEM 178C | 5/9 Secondary reference U.S. Government activity |
| Y-112D178X11 | 3/1 Design control — primary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
| 10444-C-18 | 5/1 Secondary reference Curtiss-Wright Electro-Mechanical Corporation Div Epd |
NSN 5307-01-245-0781 is a Stud,plain, manufactured by Naval Inventory Control Point Mechanicsburg, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-245-0781 has 3 manufacturer part numbers on file: Y-112D178X11L1 (Naval Inventory Control Point Mechanicsburg), PL-11156-F-18 ITEM 178CL1 (Naval Inventory Control Point Mechanicsburg), 10444-C-18L1 (Naval Inventory Control Point Mechanicsburg).
Key specifications for Y-112D178X11L1: Criticality Code Justification: ZZZX; Material Document and Classification: ASTM A193,GRADE B7 ASSN STD SINGLE MATERIAL RESPONSE; Overall Length: 5.500 INCHES NOMINAL IN; Nominal Thread Size: 1.125 INCHES STUD THREAD IN. 8 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.