The Stud,ball, cataloged under National Stock Number 5307-01-357-5645, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Ge Aviation Systems Ltd. Government technical data includes 9 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-357-5645 |
| Primary Part Number | SUM4091 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Ge Aviation Systems Ltd |
| Status | ACTIVE |
| Style Designator | BALL |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance From Spherical Head Centerline to Head End | 0.100 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 28 LOCATION NOT OTHERWISE SPECIFIED |
| Material | STEEL |
| Neck Diameter | 0.150 INCHES NOMINAL IN |
| Thread Series Designator | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Head Diameter | 0.248 INCHES MINIMUM AND 0.249 INCHES MAXIMUM 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 |
|---|---|
| SUM4091 | Ge Aviation Systems Ltd (GBR) |
| Reference | Meaning |
|---|---|
| SUM4091 | 3/9 Design control — primary reference Ge Aviation Systems Llc Dba Ge Aviation |
| SUM4091 | 5/9 Secondary reference Ge Aviation Systems Llc |
NSN 5307-01-357-5645 is a Stud,ball, manufactured by Ge Aviation Systems Ltd, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-357-5645 has 1 manufacturer part number on file: SUM4091 (Ge Aviation Systems Ltd).
Key specifications for SUM4091: Style Designator: BALL; Overall Length: 0.600 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Nominal Thread Size: 0.250 INCHES LOCATION NOT OTHERWISE SPECIFIED IN. 9 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.