The Stud,plain, cataloged under National Stock Number 5307-01-561-3180, 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 5 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-561-3180 |
| Primary Part Number | 709-5486660 ITEM 141 |
| Item Name | Stud,plain |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND STUD THREAD |
| Nominal Thread Size | 18.000 INCHES STUD THREAD IN |
| Thread Class | 2A STUD THREAD A |
| Material | NICKEL ALLOY |
| 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 | X |
| Part Number | Manufacturer |
|---|---|
| 0.312-18UNC-2AX2.750INCONE | Naval Sea Systems Command (USA) |
| 709-5486660 ITEM 141 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5307-01-561-3180 is a Stud,plain, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-561-3180 has 2 manufacturer part numbers on file: 0.312-18UNC-2AX2.750INCONE (Naval Sea Systems Command), 709-5486660 ITEM 141 (Naval Sea Systems Command).
Key specifications for 709-5486660 ITEM 141: Overall Length: 2.750 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND STUD THREAD; Nominal Thread Size: 18.000 INCHES STUD THREAD IN; Special Features: ON DRAWING STATES STUD WELDING STR AND MATERIAL ASTM-B446 (NL0012). 5 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.