The Countersink, cataloged under National Stock Number 5133-01-083-5883, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5133-01-083-5883 |
| Primary Part Number | PWA37747-2 |
| Item Name | Countersink |
| FSC / FSG | 5133 / 51 — Drill Bits, Counterbores, and Countersinks: Hand and Machine |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Body Diameter | 0.290 INCHES NOMINAL IN |
| Point Diameter | 0.125 INCHES NOMINAL IN |
| Cutting End Style | STRAIGHT FLUTE W/THROUGH HOLE |
| Hardness Rating | 66.0 ROCKWELL C MINIMUM AND 68.0 ROCKWELL C MAXIMUM |
| Material Document and Classification | M-42 NATIONAL SPEC 1ST MATERIAL RESPONSE AND T-15 NATIONAL SPEC 2ND MATERIAL RESPONSE CUTTER |
| Cutting Rotation Direction | RIGHT-HAND |
| Flute Quantity | 3 |
| Included Angle | 100.0 DEGREES NOMINAL |
| Material | STEEL COMP M10 OR STEEL COMP T15 CUTTER |
| 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 |
|---|---|
| PWA37747-2 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 5133-01-083-5883 is a Countersink, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5133, Drill Bits, Counterbores, and Countersinks: Hand and Machine. Status: active.
NSN 5133-01-083-5883 has 1 manufacturer part number on file: PWA37747-2 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA37747-2: Body Diameter: 0.290 INCHES NOMINAL IN; Point Diameter: 0.125 INCHES NOMINAL IN; Cutting End Style: STRAIGHT FLUTE W/THROUGH HOLE; Hardness Rating: 66.0 ROCKWELL C MINIMUM AND 68.0 ROCKWELL C MAXIMUM. 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.