The Cutter,countersink, cataloged under National Stock Number 5133-00-133-4845, is classified within Federal Supply Class 5133 (Drill Bits, Counterbores, and Countersinks: Hand and Machine) of the Hand Tools group. Government technical data includes 14 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-00-133-4845 |
| Item Name | Cutter,countersink |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Status | ACTIVE |
| Body Diameter | 0.875 INCHES NOMINAL IN |
| Point Diameter | 0.424 INCHES NOMINAL IN |
| Cutting End Style | STRAIGHT FLUTE BLUNT END |
| Holder Accommodated | GENERAL DYNAMICS ROCKER ASSY. NO. C15129 |
| Nominal Thread Diameter | 0.375 INCHES IN |
| Features Provided | REPLACEABLE PILOT |
| Pilot Diameter | 0.471 INCHES NOMINAL IN |
| Shank Style | EXTERNALLY THREADED |
| Pilot Hole Nominal Diameter | 0.187 INCHES IN |
| Flute Quantity | 12 |
| Included Angle | 60.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Thread Quantity | 24 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 |
| Reference | Meaning |
|---|---|
| C15374-6 | 5/9 Secondary reference Catty H D Corp |
| C15374-6 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5133-00-133-4845 is a Cutter,countersink, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
Key specifications for 5133-00-133-4845: Body Diameter: 0.875 INCHES NOMINAL IN; Point Diameter: 0.424 INCHES NOMINAL IN; Cutting End Style: STRAIGHT FLUTE BLUNT END; Holder Accommodated: GENERAL DYNAMICS ROCKER ASSY. NO. C15129. 14 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.