The Cutter,countersink, cataloged under National Stock Number 5133-01-105-9640, is classified within Federal Supply Class 5133 (Drill Bits, Counterbores, and Countersinks: Hand and Machine) of the Hand Tools group. The manufacturer of record is Reid Products Inc. Dba Reid Products Inc. 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5133-01-105-9640 |
| Primary Part Number | WDT-10102-4 |
| Item Name | Cutter,countersink |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Reid Products Inc. Dba Reid Products Inc |
| Status | ACTIVE |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Hardness Rating | 62.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.312 INCHES IN |
| Features Provided | INTEGRAL PILOT |
| Pilot Diameter | 0.241 INCHES NOMINAL IN |
| Shank Style | EXTERNALLY THREADED |
| Flute Quantity | 9 |
| Material | STEEL OVERALL |
| Thread Quantity | 20 PER INCH |
| 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 |
|---|---|
| WDT-10102-4 PRIMARY | Reid Products Inc. Dba Reid Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 11427-4 | 5/9 Secondary reference Reid Products Inc. Dba Reid Products Inc |
| 5133PL0941111 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| WDT-10102-4 | 5/9 Secondary reference Greer Aero Llc |
NSN 5133-01-105-9640 is a Cutter,countersink, manufactured by Reid Products Inc. Dba Reid Products Inc, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-105-9640 has 1 manufacturer part number on file: WDT-10102-4 (Reid Products Inc. Dba Reid Products Inc).
1 possible match (shared part number, not a government interchangeability claim): 6680-01-280-8872. Verify interchangeability with system specifications before substitution.
Key specifications for WDT-10102-4: Body Diameter: 0.500 INCHES NOMINAL IN; Hardness Rating: 62.0 ROCKWELL C MINIMUM AND 63.0 ROCKWELL C MAXIMUM; Overall Length: 1.130 INCHES NOMINAL IN; Nominal Thread Diameter: 0.312 INCHES 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.