The Stud,ball, cataloged under National Stock Number 5307-01-257-0795, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5307-01-257-0795 |
| Primary Part Number | 75D111252-2091 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Surface Treatment Document and Classification | PS13101 TYPE 2 CLASS 2,CAGEG 76301 MFR REF SINGLE TREATMENT RESPONSE STUD THD |
| Cotter Pin Hole Diameter | 0.125 INCHES NOMINAL AND 0.128 INCHES MAXIMUM FIRST HOLE IN |
| Cotter Pin Hole Diameter | 0.188 INCHES NOMINAL SECOND HOLE IN |
| Style Designator | BALL |
| Material Document and Classification | QQ-C-530 FED SPEC SINGLE MATERIAL RESPONSE |
| Nominal Thread Size | 0.875 INCHES STUD THREAD IN |
| Surface Treatment | CADMIUM AND CHROMATE STUD THD |
| Distance From Spherical Head Centerline to Head End | 0.742 INCHES MINIMUM AND 0.745 INCHES MAXIMUM IN |
| Thread Series Designator | UNF STUD THREAD |
| Distance From Cotter Pin Hole Centerline to Nut End | 0.250 INCHES NOMINAL FIRST HOLE IN |
| Distance From Cotter Pin Hole Centerline to Nut End | 4.250 INCHES NOMINAL SECOND HOLE IN |
| Head Diameter | 1.490 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 |
|---|---|
| 75D111252-2091 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75D111252-2091 | 5/2 Secondary reference U.S. Government activity |
NSN 5307-01-257-0795 is a Stud,ball, manufactured by The Boeing Company Div Defense, classified under FSC 5307, Studs. Status: active.
NSN 5307-01-257-0795 has 1 manufacturer part number on file: 75D111252-2091 (The Boeing Company Div Defense).
Key specifications for 75D111252-2091: Surface Treatment Document and Classification: PS13101 TYPE 2 CLASS 2,CAGEG 76301 MFR REF SINGLE TREATMENT RESPONSE STUD THD; Cotter Pin Hole Diameter: 0.125 INCHES NOMINAL AND 0.128 INCHES MAXIMUM FIRST HOLE IN; Cotter Pin Hole Diameter: 0.188 INCHES NOMINAL SECOND HOLE IN; Style Designator: BALL. 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.