The Pilot,counterbore, cataloged under National Stock Number 3460-01-139-4141, is classified within Federal Supply Class 3460 (Machine Tool Accessories) of the Metalworking Machinery (continued) group. The manufacturer of record is Wright Machine & Tool Co., Inc.. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 3460-01-139-4141 |
| Primary Part Number | P-15A |
| Item Name | Pilot,counterbore |
| FSC / FSG | 3460 / 34 — Machine Tool Accessories |
| Manufacturer | Wright Machine & Tool Co., Inc. |
| Status | ACTIVE |
| Shank Diameter | 0.125 INCHES NOMINAL IN |
| Shank Type | THREADED |
| Head Length | 0.375 INCHES NOMINAL IN |
| Head Diameter | 0.266 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 |
|---|---|
| P-15A PRIMARY | Wright Machine & Tool Co., Inc. (USA) |
| Reference | Meaning |
|---|---|
| P-15A | 5/9 Secondary reference Ex-Cell-O Corp Tool and Abrasive Products Div |
NSN 3460-01-139-4141 is a Pilot,counterbore, manufactured by Wright Machine & Tool Co., Inc., classified under FSC 3460, Machine Tool Accessories. Status: active.
NSN 3460-01-139-4141 has 1 manufacturer part number on file: P-15A (Wright Machine & Tool Co., Inc.).
1 possible match (shared part number, not a government interchangeability claim): 8125-01-496-2688. Verify interchangeability with system specifications before substitution.
Key specifications for P-15A: Shank Diameter: 0.125 INCHES NOMINAL IN; Shank Type: THREADED; Head Length: 0.375 INCHES NOMINAL IN; Head Diameter: 0.266 INCHES NOMINAL IN. 4 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.