The Stud,ball, cataloged under National Stock Number 5307-01-178-9141, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 11 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 | 5307-01-178-9141 |
| Primary Part Number | L4100020-003 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Style Designator | BALL |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Nominal Thread Size | 1.375 INCHES LOCATION NOT OTHERWISE SPECIFIED IN |
| Distance From Spherical Head Centerline to Head End | 0.780 INCHES NOMINAL IN |
| Thread Class | 3B LOCATION NOT OTHERWISE SPECIFIED |
| Thread Quantity Per Inch | 12 LOCATION NOT OTHERWISE SPECIFIED |
| Material | NICKEL ALLOY 718 |
| Neck Diameter | 1.400 INCHES MINIMUM AND 1.405 INCHES MAXIMUM IN |
| Distance Across Flats | 1.750 INCHES NOMINAL IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) LOCATION NOT OTHERWISE SPECIFIED |
| Head Diameter | 2.247 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 |
|---|---|
| L4100020-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5307-01-178-9141 is a Stud,ball, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-178-9141 has 1 manufacturer part number on file: L4100020-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L4100020-003: Style Designator: BALL; Overall Length: 2.350 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED; Nominal Thread Size: 1.375 INCHES LOCATION NOT OTHERWISE SPECIFIED IN. 11 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.