The Stud,ball, cataloged under National Stock Number 5307-01-669-0343, is classified within Federal Supply Class 5307 (Studs) of the Hardware and Abrasives group. The manufacturer of record is Delta Flexible Products, Inc.. Government technical data includes 3 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5307-01-669-0343 |
| Primary Part Number | FLX2531 |
| Item Name | Stud,ball |
| FSC / FSG | 5307 / 53 — Studs |
| Manufacturer | Delta Flexible Products, Inc. |
| Status | ACTIVE |
| Plain Shank Length | 50.0 MILLIMETERS NOMINAL MM |
| Plain Shank Diameter | 1.5 MILLIMETERS NOMINAL MM |
| Head Diameter | 50.0 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| FLX2531 PRIMARY | Delta Flexible Products, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5012D50NR43 | 5/9 Secondary reference Delta Flexible Products, Inc. |
| 4113638 | 7/2 Vendor item drawing reference Oshkosh Defense Llc |
NSN 5307-01-669-0343 is a Stud,ball, manufactured by Delta Flexible Products, Inc., classified under FSC 5307, Studs. Status: active.
NSN 5307-01-669-0343 has 1 manufacturer part number on file: FLX2531 (Delta Flexible Products, Inc.).
Key specifications for FLX2531: Overall Length: 62.0 MILLIMETERS NOMINAL MM; Plain Shank Length: 50.0 MILLIMETERS NOMINAL MM; Special Features: ISOLATED,STUD MOUNTED, 43 DURO, MATERIAL: RUBBER,NATUREAL WITH METAL BACKING PLATE, ISOLATER THICKNESS: 12.0 MM, BACKING PLATE THICKNESS: 3.0MM MM; Part Name Assigned by Controlling Agency: ISOLATED,STUD. 3 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.