The Stud,ball, cataloged under National Stock Number 5307-01-263-8905, 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 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-263-8905 |
| Primary Part Number | 5944396 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Naval Sea Systems Command |
| Status | ACTIVE |
| Thread Length | 0.910 INCHES MINIMUM LOCATION NOT OTHERWISE SPECIFIED IN |
| Style Designator | BALL |
| Material Document and Classification | QQ-N-281 CLB FED SPEC SINGLE MATERIAL RESPONSE |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.312 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance From Spherical Head Centerline to Head End | 0.250 INCHES NOMINAL IN |
| Thread Class | 3A LOCATION NOT OTHERWISE SPECIFIED A |
| Thread Quantity Per Inch | 24 LOCATION NOT OTHERWISE SPECIFIED |
| Material | NICKEL ALLOY R-405 |
| Neck Diameter | 0.250 INCHES NOMINAL IN |
| Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Head Diameter | 0.500 INCHES NOMINAL IN |
| 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 |
|---|---|
| 5944396 PRIMARY | Naval Sea Systems Command (USA) |
NSN 5307-01-263-8905 is a Stud,ball, manufactured by Naval Sea Systems Command, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-263-8905 has 1 manufacturer part number on file: 5944396 (Naval Sea Systems Command).
Key specifications for 5944396: Thread Length: 0.910 INCHES MINIMUM LOCATION NOT OTHERWISE SPECIFIED IN; Style Designator: BALL; Material Document and Classification: QQ-N-281 CLB FED SPEC SINGLE MATERIAL RESPONSE; Overall Length: 1.520 INCHES NOMINAL IN. 12 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.