The Cutter,countersink, cataloged under National Stock Number 5133-00-062-1525, 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 Learjet Inc. Government technical data includes 15 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-00-062-1525 |
| Primary Part Number | 6016B1-2-100-30 |
| Item Name | Cutter,countersink |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Learjet Inc |
| Status | ACTIVE |
| Body Diameter | 0.500 INCHES NOMINAL IN |
| Point Diameter | 0.128 INCHES NOMINAL IN |
| Cutting End Style | STRAIGHT FLUTE BLUNT END |
| Hardness Rating | 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Features Provided | INTEGRAL PILOT |
| Departure From Cited Designator | AS MODIFIED BY PILOT DIAMETER |
| Pilot Diameter | 0.128 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 2 TYPE AND A STYLE AND E SIZE |
| Shank Style | EXTERNALLY THREADED |
| Flute Quantity | 2 |
| Included Angle | 100.0 DEGREES NOMINAL |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF |
| Thread Quantity | 28 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 |
|---|---|
| 6016B1-2-100-30 | Learjet Inc (USA) |
| Reference | Meaning |
|---|---|
| A-A-58076 TY2STASZE | 5/1 Secondary reference U.S. Government activity |
| MIL-H-4081 | 5/9 Secondary reference U.S. Government activity |
| A-A-58076 | 4/1 Identification reference Federal Commercial Item Description Promulgated by General Services Administration Washington DC |
NSN 5133-00-062-1525 is a Cutter,countersink, manufactured by Learjet Inc, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-00-062-1525 has 1 manufacturer part number on file: 6016B1-2-100-30 (Learjet Inc).
Key specifications for 6016B1-2-100-30: Body Diameter: 0.500 INCHES NOMINAL IN; Point Diameter: 0.128 INCHES NOMINAL IN; Cutting End Style: STRAIGHT FLUTE BLUNT END; Hardness Rating: 40.0 ROCKWELL C MINIMUM AND 53.0 ROCKWELL C MAXIMUM. 15 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.