The Stud,welding, cataloged under National Stock Number 5307-01-260-9887, 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 13 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-260-9887 |
| Primary Part Number | 303-5563028 ITEM 8 |
| Item Name | Stud,welding |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM NUT THREAD IN |
| Style Designator | WELDING |
| Unthreaded End Diameter | 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN |
| Length Excluding Fluxed Welding Tip | 4.469 INCHES MINIMUM AND 4.531 INCHES MAXIMUM IN |
| Unthreaded End Length | 3.704 INCHES MINIMUM AND 3.796 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND NUT THREAD |
| Nominal Thread Size | 0.375 INCHES NUT THREAD IN |
| Shoulder Diameter | 0.625 INCHES MINIMUM AND 0.687 INCHES MAXIMUM IN |
| Thread Class | 2A NUT THREAD A |
| Thread Quantity Per Inch | 16 NUT THREAD |
| Material | STEEL |
| Shoulder Length | 0.093 INCHES MINIMUM AND 0.125 INCHES MAXIMUM IN |
| 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 |
|---|---|
| 303-5563028 ITEM 8 PRIMARY | Naval Sea Systems Command (USA) |
| Reference | Meaning |
|---|---|
| MIL-S-24149/1C-557 | 4/1 Identification reference U.S. Government activity |
NSN 5307-01-260-9887 is a Stud,welding, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-260-9887 has 1 manufacturer part number on file: 303-5563028 ITEM 8 (Naval Sea Systems Command).
Key specifications for 303-5563028 ITEM 8: Thread Length: 0.735 INCHES MINIMUM AND 0.765 INCHES MAXIMUM NUT THREAD IN; Style Designator: WELDING; Unthreaded End Diameter: 0.325 INCHES MINIMUM AND 0.335 INCHES MAXIMUM IN; Length Excluding Fluxed Welding Tip: 4.469 INCHES MINIMUM AND 4.531 INCHES MAXIMUM IN. 13 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.