The Chasers Set,thread Cutting, cataloged under National Stock Number 5136-01-373-0052, is classified within Federal Supply Class 5136 (Taps, Dies, and Collets; Hand and Machine) of the Hand Tools group. The manufacturer of record is Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc. Government technical data includes 2 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 | 5136-01-373-0052 |
| Primary Part Number | TR20-31M |
| Item Name | Chasers Set,thread Cutting |
| FSC / FSG | 5136 / 51 — Taps, Dies, and Collets; Hand and Machine |
| Manufacturer | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc |
| Status | ACTIVE |
| Component Quantity | 6 |
| Nonsupply Items and Quantities | CONTAINS 6 METRIC THREAD CHASERS WITH THREAD PITCH SIZES 4.50 & 5 MM; 3.50 & 4 MM; 2.50 & 3 MM; 1.75 & 2 MM; 1.25 & 1.5 MM; AND 0.75 & 1 MM MM |
| 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 |
|---|---|
| TR20-31M PRIMARY | Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc (USA) |
NSN 5136-01-373-0052 is a Chasers Set,thread Cutting, manufactured by Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc, classified under FSC 5136, Taps, Dies, and Collets; Hand and Machine. Status: active.
NSN 5136-01-373-0052 has 1 manufacturer part number on file: TR20-31M (Idsc Holdings Llc Div Snap-on Industrial, a Div. of Idsc Holdings , Llc).
Key specifications for TR20-31M: Component Quantity: 6; Nonsupply Items and Quantities: CONTAINS 6 METRIC THREAD CHASERS WITH THREAD PITCH SIZES 4.50 & 5 MM; 3.50 & 4 MM; 2.50 & 3 MM; 1.75 & 2 MM; 1.25 & 1.5 MM; AND 0.75 & 1 MM MM; Special Features: WITH METAL RING. 2 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.